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<title>[33750] trunk/src/wp-includes: Comments: move `WP_Comment_Query` into its own file.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/33750">33750</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/33750","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>wonderboymusic</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-08-26 04:26:29 +0000 (Wed, 26 Aug 2015)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Comments: move `WP_Comment_Query` into its own file. `comment.php` loads the new files, so this is 100% BC if someone is loading `comment.php` directly. New files created using `svn cp`.
Creates:
`class-wp-comment-query.php`
`comment-functions.php`
`comment.php` contains only top-level code. Class file only contains the class. Functions file only contains functions.
See <a href="https://core.trac.wordpress.org/ticket/33413">#33413</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludescommentphp">trunk/src/wp-includes/comment.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpcommentqueryphp">trunk/src/wp-includes/class-wp-comment-query.php</a></li>
<li><a href="#trunksrcwpincludescommentfunctionsphp">trunk/src/wp-includes/comment-functions.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpcommentqueryphpfromrev33746trunksrcwpincludescommentphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-includes/class-wp-comment-query.php (from rev 33746, trunk/src/wp-includes/comment.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-comment-query.php (rev 0)
+++ trunk/src/wp-includes/class-wp-comment-query.php 2015-08-26 04:26:29 UTC (rev 33750)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,785 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * WordPress Comment Query class.
+ *
+ * See WP_Comment_Query::__construct() for accepted arguments.
+ *
+ * @since 3.1.0
+ * @package WordPress
+ * @subpackage Comment
+ */
+class WP_Comment_Query {
+ /**
+ * SQL for database query.
+ *
+ * @since 4.0.1
+ * @access public
+ * @var string
+ */
+ public $request;
+
+ /**
+ * Metadata query container
+ *
+ * @since 3.5.0
+ * @access public
+ * @var object WP_Meta_Query
+ */
+ public $meta_query = false;
+
+ /**
+ * Date query container
+ *
+ * @since 3.7.0
+ * @access public
+ * @var object WP_Date_Query
+ */
+ public $date_query = false;
+
+ /**
+ * Query vars set by the user.
+ *
+ * @since 3.1.0
+ * @access public
+ * @var array
+ */
+ public $query_vars;
+
+ /**
+ * Default values for query vars.
+ *
+ * @since 4.2.0
+ * @access public
+ * @var array
+ */
+ public $query_var_defaults;
+
+ /**
+ * List of comments located by the query.
+ *
+ * @since 4.0.0
+ * @access public
+ * @var array
+ */
+ public $comments;
+
+ /**
+ * Make private/protected methods readable for backwards compatibility.
+ *
+ * @since 4.0.0
+ * @access public
+ *
+ * @param callable $name Method to call.
+ * @param array $arguments Arguments to pass when calling.
+ * @return mixed|false Return value of the callback, false otherwise.
+ */
+ public function __call( $name, $arguments ) {
+ if ( 'get_search_sql' === $name ) {
+ return call_user_func_array( array( $this, $name ), $arguments );
+ }
+ return false;
+ }
+
+ /**
+ * Constructor.
+ *
+ * Sets up the comment query, based on the query vars passed.
+ *
+ * @since 4.2.0
+ * @access public
+ *
+ * @param string|array $query {
+ * Optional. Array or query string of comment query parameters. Default empty.
+ *
+ * @type string $author_email Comment author email address. Default empty.
+ * @type array $author__in Array of author IDs to include comments for. Default empty.
+ * @type array $author__not_in Array of author IDs to exclude comments for. Default empty.
+ * @type array $comment__in Array of comment IDs to include. Default empty.
+ * @type array $comment__not_in Array of comment IDs to exclude. Default empty.
+ * @type bool $count Whether to return a comment count (true) or array of comment
+ * objects (false). Default false.
+ * @type array $date_query Date query clauses to limit comments by. See WP_Date_Query.
+ * Default null.
+ * @type string $fields Comment fields to return. Accepts 'ids' for comment IDs only or
+ * empty for all fields. Default empty.
+ * @type int $ID Currently unused.
+ * @type array $include_unapproved Array of IDs or email addresses of users whose unapproved comments
+ * will be returned by the query regardless of `$status`. Default empty.
+ * @type int $karma Karma score to retrieve matching comments for. Default empty.
+ * @type string $meta_key Include comments with a matching comment meta key. Default empty.
+ * @type string $meta_value Include comments with a matching comment meta value. Requires
+ * `$meta_key` to be set. Default empty.
+ * @type array $meta_query Meta query clauses to limit retrieved comments by.
+ * See WP_Meta_Query. Default empty.
+ * @type int $number Maximum number of comments to retrieve. Default null (no limit).
+ * @type int $offset Number of comments to offset the query. Used to build LIMIT clause.
+ * Default 0.
+ * @type string|array $orderby Comment status or array of statuses. To use 'meta_value' or
+ * 'meta_value_num', `$meta_key` must also be defined. To sort by
+ * a specific `$meta_query` clause, use that clause's array key.
+ * Accepts 'comment_agent', 'comment_approved', 'comment_author',
+ * 'comment_author_email', 'comment_author_IP',
+ * 'comment_author_url', 'comment_content', 'comment_date',
+ * 'comment_date_gmt', 'comment_ID', 'comment_karma',
+ * 'comment_parent', 'comment_post_ID', 'comment_type', 'user_id',
+ * 'meta_value', 'meta_value_num', the value of $meta_key, and the
+ * array keys of `$meta_query`. Also accepts false, an empty array,
+ * or 'none' to disable `ORDER BY` clause.
+ * Default: 'comment_date_gmt'.
+ * @type string $order How to order retrieved comments. Accepts 'ASC', 'DESC'.
+ * Default: 'DESC'.
+ * @type int $parent Parent ID of comment to retrieve children of. Default empty.
+ * @type array $post_author__in Array of author IDs to retrieve comments for. Default empty.
+ * @type array $post_author__not_in Array of author IDs *not* to retrieve comments for. Default empty.
+ * @type int $post_ID Currently unused.
+ * @type int $post_id Limit results to those affiliated with a given post ID. Default 0.
+ * @type array $post__in Array of post IDs to include affiliated comments for. Default empty.
+ * @type array $post__not_in Array of post IDs to exclude affiliated comments for. Default empty.
+ * @type int $post_author Comment author ID to limit results by. Default empty.
+ * @type string $post_status Post status to retrieve affiliated comments for. Default empty.
+ * @type string $post_type Post type to retrieve affiliated comments for. Default empty.
+ * @type string $post_name Post name to retrieve affiliated comments for. Default empty.
+ * @type int $post_parent Post parent ID to retrieve affiliated comments for. Default empty.
+ * @type string $search Search term(s) to retrieve matching comments for. Default empty.
+ * @type string $status Comment status to limit results by. Accepts 'hold'
+ * (`comment_status=0`), 'approve' (`comment_status=1`), 'all', or a
+ * custom comment status. Default 'all'.
+ * @type string|array $type Include comments of a given type, or array of types. Accepts
+ * 'comment', 'pings' (includes 'pingback' and 'trackback'), or any
+ * custom type string. Default empty.
+ * @type array $type__in Include comments from a given array of comment types. Default empty.
+ * @type array $type__not_in Exclude comments from a given array of comment types. Default empty.
+ * @type int $user_id Include comments for a specific user ID. Default empty.
+ * }
+ */
+ public function __construct( $query = '' ) {
+ $this->query_var_defaults = array(
+ 'author_email' => '',
+ 'author__in' => '',
+ 'author__not_in' => '',
+ 'include_unapproved' => '',
+ 'fields' => '',
+ 'ID' => '',
+ 'comment__in' => '',
+ 'comment__not_in' => '',
+ 'karma' => '',
+ 'number' => '',
+ 'offset' => '',
+ 'orderby' => '',
+ 'order' => 'DESC',
+ 'parent' => '',
+ 'post_author__in' => '',
+ 'post_author__not_in' => '',
+ 'post_ID' => '',
+ 'post_id' => 0,
+ 'post__in' => '',
+ 'post__not_in' => '',
+ 'post_author' => '',
+ 'post_name' => '',
+ 'post_parent' => '',
+ 'post_status' => '',
+ 'post_type' => '',
+ 'status' => 'all',
+ 'type' => '',
+ 'type__in' => '',
+ 'type__not_in' => '',
+ 'user_id' => '',
+ 'search' => '',
+ 'count' => false,
+ 'meta_key' => '',
+ 'meta_value' => '',
+ 'meta_query' => '',
+ 'date_query' => null, // See WP_Date_Query
+ );
+
+ if ( ! empty( $query ) ) {
+ $this->query( $query );
+ }
+ }
+
+ /**
+ * Parse arguments passed to the comment query with default query parameters.
+ *
+ * @since 4.2.0 Extracted from WP_Comment_Query::query().
+ *
+ * @access public
+ *
+ * @param string|array $query WP_Comment_Query arguments. See WP_Comment_Query::__construct()
+ */
+ public function parse_query( $query = '' ) {
+ if ( empty( $query ) ) {
+ $query = $this->query_vars;
+ }
+
+ $this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
+ do_action_ref_array( 'parse_comment_query', array( &$this ) );
+ }
+
+ /**
+ * Sets up the WordPress query for retrieving comments.
+ *
+ * @since 3.1.0
+ * @since 4.1.0 Introduced 'comment__in', 'comment__not_in', 'post_author__in',
+ * 'post_author__not_in', 'author__in', 'author__not_in', 'post__in',
+ * 'post__not_in', 'include_unapproved', 'type__in', and 'type__not_in'
+ * arguments to $query_vars.
+ * @since 4.2.0 Moved parsing to WP_Comment_Query::parse_query().
+ * @access public
+ *
+ * @param string|array $query Array or URL query string of parameters.
+ * @return array|int List of comments, or number of comments when 'count' is passed as a query var.
+ */
+ public function query( $query ) {
+ $this->query_vars = wp_parse_args( $query );
+ return $this->get_comments();
+ }
+
+ /**
+ * Get a list of comments matching the query vars.
+ *
+ * @since 4.2.0
+ * @access public
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return int|array The list of comments.
+ */
+ public function get_comments() {
+ global $wpdb;
+
+ $groupby = '';
+
+ $this->parse_query();
+
+ // Parse meta query
+ $this->meta_query = new WP_Meta_Query();
+ $this->meta_query->parse_query_vars( $this->query_vars );
+
+ /**
+ * Fires before comments are retrieved.
+ *
+ * @since 3.1.0
+ *
+ * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
+ */
+ do_action_ref_array( 'pre_get_comments', array( &$this ) );
+
+ // Reparse query vars, in case they were modified in a 'pre_get_comments' callback.
+ $this->meta_query->parse_query_vars( $this->query_vars );
+ if ( ! empty( $this->meta_query->queries ) ) {
+ $meta_query_clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
+ }
+
+ // $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
+ $key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ) ) );
+ $last_changed = wp_cache_get( 'last_changed', 'comment' );
+ if ( ! $last_changed ) {
+ $last_changed = microtime();
+ wp_cache_set( 'last_changed', $last_changed, 'comment' );
+ }
+ $cache_key = "get_comments:$key:$last_changed";
+
+ if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {
+ $this->comments = $cache;
+ return $this->comments;
+ }
+
+ $where = array();
+
+ // Assemble clauses related to 'comment_approved'.
+ $approved_clauses = array();
+
+ // 'status' accepts an array or a comma-separated string.
+ $status_clauses = array();
+ $statuses = $this->query_vars['status'];
+ if ( ! is_array( $statuses ) ) {
+ $statuses = preg_split( '/[\s,]+/', $statuses );
+ }
+
+ // 'any' overrides other statuses.
+ if ( ! in_array( 'any', $statuses ) ) {
+ foreach ( $statuses as $status ) {
+ switch ( $status ) {
+ case 'hold' :
+ $status_clauses[] = "comment_approved = '0'";
+ break;
+
+ case 'approve' :
+ $status_clauses[] = "comment_approved = '1'";
+ break;
+
+ case 'all' :
+ case '' :
+ $status_clauses[] = "( comment_approved = '0' OR comment_approved = '1' )";
+ break;
+
+ default :
+ $status_clauses[] = $wpdb->prepare( "comment_approved = %s", $status );
+ break;
+ }
+ }
+
+ if ( ! empty( $status_clauses ) ) {
+ $approved_clauses[] = '( ' . implode( ' OR ', $status_clauses ) . ' )';
+ }
+ }
+
+ // User IDs or emails whose unapproved comments are included, regardless of $status.
+ if ( ! empty( $this->query_vars['include_unapproved'] ) ) {
+ $include_unapproved = $this->query_vars['include_unapproved'];
+
+ // Accepts arrays or comma-separated strings.
+ if ( ! is_array( $include_unapproved ) ) {
+ $include_unapproved = preg_split( '/[\s,]+/', $include_unapproved );
+ }
+
+ $unapproved_ids = $unapproved_emails = array();
+ foreach ( $include_unapproved as $unapproved_identifier ) {
+ // Numeric values are assumed to be user ids.
+ if ( is_numeric( $unapproved_identifier ) ) {
+ $approved_clauses[] = $wpdb->prepare( "( user_id = %d AND comment_approved = '0' )", $unapproved_identifier );
+
+ // Otherwise we match against email addresses.
+ } else {
+ $approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' )", $unapproved_identifier );
+ }
+ }
+ }
+
+ // Collapse comment_approved clauses into a single OR-separated clause.
+ if ( ! empty( $approved_clauses ) ) {
+ if ( 1 === count( $approved_clauses ) ) {
+ $where[] = $approved_clauses[0];
+ } else {
+ $where[] = '( ' . implode( ' OR ', $approved_clauses ) . ' )';
+ }
+ }
+
+ $order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC';
+
+ // Disable ORDER BY with 'none', an empty array, or boolean false.
+ if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
+ $orderby = '';
+ } elseif ( ! empty( $this->query_vars['orderby'] ) ) {
+ $ordersby = is_array( $this->query_vars['orderby'] ) ?
+ $this->query_vars['orderby'] :
+ preg_split( '/[,\s]/', $this->query_vars['orderby'] );
+
+ $orderby_array = array();
+ $found_orderby_comment_ID = false;
+ foreach ( $ordersby as $_key => $_value ) {
+ if ( ! $_value ) {
+ continue;
+ }
+
+ if ( is_int( $_key ) ) {
+ $_orderby = $_value;
+ $_order = $order;
+ } else {
+ $_orderby = $_key;
+ $_order = $_value;
+ }
+
+ if ( ! $found_orderby_comment_ID && 'comment_ID' === $_orderby ) {
+ $found_orderby_comment_ID = true;
+ }
+
+ $parsed = $this->parse_orderby( $_orderby );
+
+ if ( ! $parsed ) {
+ continue;
+ }
+
+ $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
+ }
+
+ // If no valid clauses were found, order by comment_date_gmt.
+ if ( empty( $orderby_array ) ) {
+ $orderby_array[] = "$wpdb->comments.comment_date_gmt $order";
+ }
+
+ // To ensure determinate sorting, always include a comment_ID clause.
+ if ( ! $found_orderby_comment_ID ) {
+ $comment_ID_order = '';
+
+ // Inherit order from comment_date or comment_date_gmt, if available.
+ foreach ( $orderby_array as $orderby_clause ) {
+ if ( preg_match( '/comment_date(?:_gmt)*\ (ASC|DESC)/', $orderby_clause, $match ) ) {
+ $comment_ID_order = $match[1];
+ break;
+ }
+ }
+
+ // If no date-related order is available, use the date from the first available clause.
+ if ( ! $comment_ID_order ) {
+ foreach ( $orderby_array as $orderby_clause ) {
+ if ( false !== strpos( 'ASC', $orderby_clause ) ) {
+ $comment_ID_order = 'ASC';
+ } else {
+ $comment_ID_order = 'DESC';
+ }
+
+ break;
+ }
+ }
+
+ // Default to DESC.
+ if ( ! $comment_ID_order ) {
+ $comment_ID_order = 'DESC';
+ }
+
+ $orderby_array[] = "$wpdb->comments.comment_ID $comment_ID_order";
+ }
+
+ $orderby = implode( ', ', $orderby_array );
+ } else {
+ $orderby = "$wpdb->comments.comment_date_gmt $order";
+ }
+
+ $number = absint( $this->query_vars['number'] );
+ $offset = absint( $this->query_vars['offset'] );
+
+ if ( ! empty( $number ) ) {
+ if ( $offset ) {
+ $limits = 'LIMIT ' . $offset . ',' . $number;
+ } else {
+ $limits = 'LIMIT ' . $number;
+ }
+ } else {
+ $limits = '';
+ }
+
+ if ( $this->query_vars['count'] ) {
+ $fields = 'COUNT(*)';
+ } else {
+ switch ( strtolower( $this->query_vars['fields'] ) ) {
+ case 'ids':
+ $fields = "$wpdb->comments.comment_ID";
+ break;
+ default:
+ $fields = "*";
+ break;
+ }
+ }
+
+ $join = '';
+
+ $post_id = absint( $this->query_vars['post_id'] );
+ if ( ! empty( $post_id ) ) {
+ $where[] = $wpdb->prepare( 'comment_post_ID = %d', $post_id );
+ }
+
+ // Parse comment IDs for an IN clause.
+ if ( ! empty( $this->query_vars['comment__in'] ) ) {
+ $where[] = "$wpdb->comments.comment_ID IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__in'] ) ) . ' )';
+ }
+
+ // Parse comment IDs for a NOT IN clause.
+ if ( ! empty( $this->query_vars['comment__not_in'] ) ) {
+ $where[] = "$wpdb->comments.comment_ID NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__not_in'] ) ) . ' )';
+ }
+
+ // Parse comment post IDs for an IN clause.
+ if ( ! empty( $this->query_vars['post__in'] ) ) {
+ $where[] = 'comment_post_ID IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__in'] ) ) . ' )';
+ }
+
+ // Parse comment post IDs for a NOT IN clause.
+ if ( ! empty( $this->query_vars['post__not_in'] ) ) {
+ $where[] = 'comment_post_ID NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__not_in'] ) ) . ' )';
+ }
+
+ if ( '' !== $this->query_vars['author_email'] ) {
+ $where[] = $wpdb->prepare( 'comment_author_email = %s', $this->query_vars['author_email'] );
+ }
+
+ if ( '' !== $this->query_vars['karma'] ) {
+ $where[] = $wpdb->prepare( 'comment_karma = %d', $this->query_vars['karma'] );
+ }
+
+ // Filtering by comment_type: 'type', 'type__in', 'type__not_in'.
+ $raw_types = array(
+ 'IN' => array_merge( (array) $this->query_vars['type'], (array) $this->query_vars['type__in'] ),
+ 'NOT IN' => (array) $this->query_vars['type__not_in'],
+ );
+
+ $comment_types = array();
+ foreach ( $raw_types as $operator => $_raw_types ) {
+ $_raw_types = array_unique( $_raw_types );
+
+ foreach ( $_raw_types as $type ) {
+ switch ( $type ) {
+ // An empty translates to 'all', for backward compatibility
+ case '':
+ case 'all' :
+ break;
+
+ case 'comment':
+ case 'comments':
+ $comment_types[ $operator ][] = "''";
+ break;
+
+ case 'pings':
+ $comment_types[ $operator ][] = "'pingback'";
+ $comment_types[ $operator ][] = "'trackback'";
+ break;
+
+ default:
+ $comment_types[ $operator ][] = $wpdb->prepare( '%s', $type );
+ break;
+ }
+ }
+
+ if ( ! empty( $comment_types[ $operator ] ) ) {
+ $types_sql = implode( ', ', $comment_types[ $operator ] );
+ $where[] = "comment_type $operator ($types_sql)";
+ }
+ }
+
+ if ( '' !== $this->query_vars['parent'] ) {
+ $where[] = $wpdb->prepare( 'comment_parent = %d', $this->query_vars['parent'] );
+ }
+
+ if ( is_array( $this->query_vars['user_id'] ) ) {
+ $where[] = 'user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')';
+ } elseif ( '' !== $this->query_vars['user_id'] ) {
+ $where[] = $wpdb->prepare( 'user_id = %d', $this->query_vars['user_id'] );
+ }
+
+ if ( '' !== $this->query_vars['search'] ) {
+ $search_sql = $this->get_search_sql(
+ $this->query_vars['search'],
+ array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' )
+ );
+
+ // Strip leading 'AND'.
+ $where[] = preg_replace( '/^\s*AND\s*/', '', $search_sql );
+ }
+
+ // If any post-related query vars are passed, join the posts table.
+ $join_posts_table = false;
+ $plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent', 'post_status', 'post_type' ) );
+ $post_fields = array_filter( $plucked );
+
+ if ( ! empty( $post_fields ) ) {
+ $join_posts_table = true;
+ foreach ( $post_fields as $field_name => $field_value ) {
+ // $field_value may be an array.
+ $esses = array_fill( 0, count( (array) $field_value ), '%s' );
+ $where[] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $field_value );
+ }
+ }
+
+ // Comment author IDs for an IN clause.
+ if ( ! empty( $this->query_vars['author__in'] ) ) {
+ $where[] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )';
+ }
+
+ // Comment author IDs for a NOT IN clause.
+ if ( ! empty( $this->query_vars['author__not_in'] ) ) {
+ $where[] = 'user_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )';
+ }
+
+ // Post author IDs for an IN clause.
+ if ( ! empty( $this->query_vars['post_author__in'] ) ) {
+ $join_posts_table = true;
+ $where[] = 'post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__in'] ) ) . ' )';
+ }
+
+ // Post author IDs for a NOT IN clause.
+ if ( ! empty( $this->query_vars['post_author__not_in'] ) ) {
+ $join_posts_table = true;
+ $where[] = 'post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__not_in'] ) ) . ' )';
+ }
+
+ if ( $join_posts_table ) {
+ $join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
+ }
+
+ if ( ! empty( $meta_query_clauses ) ) {
+ $join .= $meta_query_clauses['join'];
+
+ // Strip leading 'AND'.
+ $where[] = preg_replace( '/^\s*AND\s*/', '', $meta_query_clauses['where'] );
+
+ if ( ! $this->query_vars['count'] ) {
+ $groupby = "{$wpdb->comments}.comment_ID";
+ }
+ }
+
+ $date_query = $this->query_vars['date_query'];
+ if ( ! empty( $date_query ) && is_array( $date_query ) ) {
+ $date_query_object = new WP_Date_Query( $date_query, 'comment_date' );
+ $where[] = preg_replace( '/^\s*AND\s*/', '', $date_query_object->get_sql() );
+ }
+
+ $where = implode( ' AND ', $where );
+
+ $pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
+ /**
+ * Filter the comment query clauses.
+ *
+ * @since 3.1.0
+ *
+ * @param array $pieces A compacted array of comment query clauses.
+ * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
+ */
+ $clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
+
+ $fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
+ $join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
+ $where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
+ $orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
+ $limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
+ $groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
+
+ if ( $where ) {
+ $where = 'WHERE ' . $where;
+ }
+
+ if ( $groupby ) {
+ $groupby = 'GROUP BY ' . $groupby;
+ }
+
+ if ( $orderby ) {
+ $orderby = "ORDER BY $orderby";
+ }
+
+ $this->request = "SELECT $fields FROM $wpdb->comments $join $where $groupby $orderby $limits";
+
+ if ( $this->query_vars['count'] ) {
+ return $wpdb->get_var( $this->request );
+ }
+
+ if ( 'ids' == $this->query_vars['fields'] ) {
+ $this->comments = $wpdb->get_col( $this->request );
+ return array_map( 'intval', $this->comments );
+ }
+
+ $results = $wpdb->get_results( $this->request );
+ /**
+ * Filter the comment query results.
+ *
+ * @since 3.1.0
+ *
+ * @param array $results An array of comments.
+ * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
+ */
+ $comments = apply_filters_ref_array( 'the_comments', array( $results, &$this ) );
+
+ wp_cache_add( $cache_key, $comments, 'comment' );
+ if ( '*' === $fields ) {
+ update_comment_cache( $comments );
+ }
+
+ $this->comments = $comments;
+ return $this->comments;
+ }
+
+ /**
+ * Used internally to generate an SQL string for searching across multiple columns
+ *
+ * @since 3.1.0
+ * @access protected
+ *
+ * @global wpdb $wpdb
+ *
+ * @param string $string
+ * @param array $cols
+ * @return string
+ */
+ protected function get_search_sql( $string, $cols ) {
+ global $wpdb;
+
+ $like = '%' . $wpdb->esc_like( $string ) . '%';
+
+ $searches = array();
+ foreach ( $cols as $col ) {
+ $searches[] = $wpdb->prepare( "$col LIKE %s", $like );
+ }
+
+ return ' AND (' . implode(' OR ', $searches) . ')';
+ }
+
+ /**
+ * Parse and sanitize 'orderby' keys passed to the comment query.
+ *
+ * @since 4.2.0
+ * @access protected
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $orderby Alias for the field to order by.
+ * @return string|false Value to used in the ORDER clause. False otherwise.
+ */
+ protected function parse_orderby( $orderby ) {
+ global $wpdb;
+
+ $allowed_keys = array(
+ 'comment_agent',
+ 'comment_approved',
+ 'comment_author',
+ 'comment_author_email',
+ 'comment_author_IP',
+ 'comment_author_url',
+ 'comment_content',
+ 'comment_date',
+ 'comment_date_gmt',
+ 'comment_ID',
+ 'comment_karma',
+ 'comment_parent',
+ 'comment_post_ID',
+ 'comment_type',
+ 'user_id',
+ );
+
+ if ( ! empty( $this->query_vars['meta_key'] ) ) {
+ $allowed_keys[] = $this->query_vars['meta_key'];
+ $allowed_keys[] = 'meta_value';
+ $allowed_keys[] = 'meta_value_num';
+ }
+
+ $meta_query_clauses = $this->meta_query->get_clauses();
+ if ( $meta_query_clauses ) {
+ $allowed_keys = array_merge( $allowed_keys, array_keys( $meta_query_clauses ) );
+ }
+
+ $parsed = false;
+ if ( $orderby == $this->query_vars['meta_key'] || $orderby == 'meta_value' ) {
+ $parsed = "$wpdb->commentmeta.meta_value";
+ } elseif ( $orderby == 'meta_value_num' ) {
+ $parsed = "$wpdb->commentmeta.meta_value+0";
+ } elseif ( in_array( $orderby, $allowed_keys ) ) {
+
+ if ( isset( $meta_query_clauses[ $orderby ] ) ) {
+ $meta_clause = $meta_query_clauses[ $orderby ];
+ $parsed = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) );
+ } else {
+ $parsed = "$wpdb->comments.$orderby";
+ }
+ }
+
+ return $parsed;
+ }
+
+ /**
+ * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
+ *
+ * @since 4.2.0
+ * @access protected
+ *
+ * @param string $order The 'order' query variable.
+ * @return string The sanitized 'order' query variable.
+ */
+ protected function parse_order( $order ) {
+ if ( ! is_string( $order ) || empty( $order ) ) {
+ return 'DESC';
+ }
+
+ if ( 'ASC' === strtoupper( $order ) ) {
+ return 'ASC';
+ } else {
+ return 'DESC';
+ }
+ }
+}
</ins></span></pre></div>
<a id="trunksrcwpincludescommentfunctionsphpfromrev33746trunksrcwpincludescommentphp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-includes/comment-functions.php (from rev 33746, trunk/src/wp-includes/comment.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/comment-functions.php (rev 0)
+++ trunk/src/wp-includes/comment-functions.php 2015-08-26 04:26:29 UTC (rev 33750)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,2409 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Manages WordPress comments
+ *
+ * @package WordPress
+ * @subpackage Comment
+ */
+
+/**
+ * Check whether a comment passes internal checks to be allowed to add.
+ *
+ * If manual comment moderation is set in the administration, then all checks,
+ * regardless of their type and whitelist, will fail and the function will
+ * return false.
+ *
+ * If the number of links exceeds the amount in the administration, then the
+ * check fails. If any of the parameter contents match the blacklist of words,
+ * then the check fails.
+ *
+ * If the comment author was approved before, then the comment is automatically
+ * whitelisted.
+ *
+ * If all checks pass, the function will return true.
+ *
+ * @since 1.2.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $author Comment author name.
+ * @param string $email Comment author email.
+ * @param string $url Comment author URL.
+ * @param string $comment Content of the comment.
+ * @param string $user_ip Comment author IP address.
+ * @param string $user_agent Comment author User-Agent.
+ * @param string $comment_type Comment type, either user-submitted comment,
+ * trackback, or pingback.
+ * @return bool If all checks pass, true, otherwise false.
+ */
+function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
+ global $wpdb;
+
+ // If manual moderation is enabled, skip all checks and return false.
+ if ( 1 == get_option('comment_moderation') )
+ return false;
+
+ /** This filter is documented in wp-includes/comment-template.php */
+ $comment = apply_filters( 'comment_text', $comment );
+
+ // Check for the number of external links if a max allowed number is set.
+ if ( $max_links = get_option( 'comment_max_links' ) ) {
+ $num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
+
+ /**
+ * Filter the maximum number of links allowed in a comment.
+ *
+ * @since 3.0.0
+ *
+ * @param int $num_links The number of links allowed.
+ * @param string $url Comment author's URL. Included in allowed links total.
+ */
+ $num_links = apply_filters( 'comment_max_links_url', $num_links, $url );
+
+ /*
+ * If the number of links in the comment exceeds the allowed amount,
+ * fail the check by returning false.
+ */
+ if ( $num_links >= $max_links )
+ return false;
+ }
+
+ $mod_keys = trim(get_option('moderation_keys'));
+
+ // If moderation 'keys' (keywords) are set, process them.
+ if ( !empty($mod_keys) ) {
+ $words = explode("\n", $mod_keys );
+
+ foreach ( (array) $words as $word) {
+ $word = trim($word);
+
+ // Skip empty lines.
+ if ( empty($word) )
+ continue;
+
+ /*
+ * Do some escaping magic so that '#' (number of) characters in the spam
+ * words don't break things:
+ */
+ $word = preg_quote($word, '#');
+
+ /*
+ * Check the comment fields for moderation keywords. If any are found,
+ * fail the check for the given field by returning false.
+ */
+ $pattern = "#$word#i";
+ if ( preg_match($pattern, $author) ) return false;
+ if ( preg_match($pattern, $email) ) return false;
+ if ( preg_match($pattern, $url) ) return false;
+ if ( preg_match($pattern, $comment) ) return false;
+ if ( preg_match($pattern, $user_ip) ) return false;
+ if ( preg_match($pattern, $user_agent) ) return false;
+ }
+ }
+
+ /*
+ * Check if the option to approve comments by previously-approved authors is enabled.
+ *
+ * If it is enabled, check whether the comment author has a previously-approved comment,
+ * as well as whether there are any moderation keywords (if set) present in the author
+ * email address. If both checks pass, return true. Otherwise, return false.
+ */
+ if ( 1 == get_option('comment_whitelist')) {
+ if ( 'trackback' != $comment_type && 'pingback' != $comment_type && $author != '' && $email != '' ) {
+ // expected_slashed ($author, $email)
+ $ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
+ if ( ( 1 == $ok_to_comment ) &&
+ ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
+ return true;
+ else
+ return false;
+ } else {
+ return false;
+ }
+ }
+ return true;
+}
+
+/**
+ * Retrieve the approved comments for post $post_id.
+ *
+ * @since 2.0.0
+ * @since 4.1.0 Refactored to leverage {@see WP_Comment_Query} over a direct query.
+ *
+ * @param int $post_id The ID of the post.
+ * @param array $args Optional. See {@see WP_Comment_Query::query()} for information
+ * on accepted arguments.
+ * @return int|array $comments The approved comments, or number of comments if `$count`
+ * argument is true.
+ */
+function get_approved_comments( $post_id, $args = array() ) {
+ if ( ! $post_id ) {
+ return array();
+ }
+
+ $defaults = array(
+ 'status' => 1,
+ 'post_id' => $post_id,
+ 'order' => 'ASC',
+ );
+ $r = wp_parse_args( $args, $defaults );
+
+ $query = new WP_Comment_Query;
+ return $query->query( $r );
+}
+
+/**
+ * Retrieves comment data given a comment ID or comment object.
+ *
+ * If an object is passed then the comment data will be cached and then returned
+ * after being passed through a filter. If the comment is empty, then the global
+ * comment variable will be used, if it is set.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @global object $comment
+ *
+ * @param object|string|int $comment Comment to retrieve.
+ * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
+ * @return object|array|null Depends on $output value.
+ */
+function get_comment(&$comment, $output = OBJECT) {
+ global $wpdb;
+
+ if ( empty($comment) ) {
+ if ( isset($GLOBALS['comment']) )
+ $_comment = & $GLOBALS['comment'];
+ else
+ $_comment = null;
+ } elseif ( is_object($comment) ) {
+ wp_cache_add($comment->comment_ID, $comment, 'comment');
+ $_comment = $comment;
+ } else {
+ if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
+ $_comment = & $GLOBALS['comment'];
+ } elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
+ $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
+ if ( ! $_comment )
+ return null;
+ wp_cache_add($_comment->comment_ID, $_comment, 'comment');
+ }
+ }
+
+ /**
+ * Fires after a comment is retrieved.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $_comment Comment data.
+ */
+ $_comment = apply_filters( 'get_comment', $_comment );
+
+ if ( $output == OBJECT ) {
+ return $_comment;
+ } elseif ( $output == ARRAY_A ) {
+ $__comment = get_object_vars($_comment);
+ return $__comment;
+ } elseif ( $output == ARRAY_N ) {
+ $__comment = array_values(get_object_vars($_comment));
+ return $__comment;
+ } else {
+ return $_comment;
+ }
+}
+
+/**
+ * Retrieve a list of comments.
+ *
+ * The comment list can be for the blog as a whole or for an individual post.
+ *
+ * @since 2.7.0
+ *
+ * @param string|array $args Optional. Array or string of arguments. See {@see WP_Comment_Query::parse_query()}
+ * for information on accepted arguments. Default empty.
+ * @return int|array List of comments or number of found comments if `$count` argument is true.
+ */
+function get_comments( $args = '' ) {
+ $query = new WP_Comment_Query;
+ return $query->query( $args );
+}
+
+/**
+ * Retrieve all of the WordPress supported comment statuses.
+ *
+ * Comments have a limited set of valid status values, this provides the comment
+ * status values and descriptions.
+ *
+ * @since 2.7.0
+ *
+ * @return array List of comment statuses.
+ */
+function get_comment_statuses() {
+ $status = array(
+ 'hold' => __('Unapproved'),
+ /* translators: comment status */
+ 'approve' => _x('Approved', 'adjective'),
+ /* translators: comment status */
+ 'spam' => _x('Spam', 'adjective'),
+ );
+
+ return $status;
+}
+
+/**
+ * Gets the default comment status for a post type.
+ *
+ * @since 4.3.0
+ *
+ * @param string $post_type Optional. Post type. Default 'post'.
+ * @param string $comment_type Optional. Comment type. Default 'comment'.
+ * @return string Expected return value is 'open' or 'closed'.
+ */
+function get_default_comment_status( $post_type = 'post', $comment_type = 'comment' ) {
+ switch ( $comment_type ) {
+ case 'pingback' :
+ case 'trackback' :
+ $supports = 'trackbacks';
+ $option = 'ping';
+ break;
+ default :
+ $supports = 'comments';
+ $option = 'comment';
+ }
+
+ // Set the status.
+ if ( 'page' === $post_type ) {
+ $status = 'closed';
+ } elseif ( post_type_supports( $post_type, $supports ) ) {
+ $status = get_option( "default_{$option}_status" );
+ } else {
+ $status = 'closed';
+ }
+
+ /**
+ * Filter the default comment status for the given post type.
+ *
+ * @since 4.3.0
+ *
+ * @param string $status Default status for the given post type,
+ * either 'open' or 'closed'.
+ * @param string $post_type Post type. Default is `post`.
+ * @param string $comment_type Type of comment. Default is `comment`.
+ */
+ return apply_filters( 'get_default_comment_status' , $status, $post_type, $comment_type );
+}
+
+/**
+ * The date the last comment was modified.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ * @staticvar array $cache_lastcommentmodified
+ *
+ * @param string $timezone Which timezone to use in reference to 'gmt', 'blog',
+ * or 'server' locations.
+ * @return string Last comment modified date.
+ */
+function get_lastcommentmodified($timezone = 'server') {
+ global $wpdb;
+ static $cache_lastcommentmodified = array();
+
+ if ( isset($cache_lastcommentmodified[$timezone]) )
+ return $cache_lastcommentmodified[$timezone];
+
+ $add_seconds_server = date('Z');
+
+ switch ( strtolower($timezone)) {
+ case 'gmt':
+ $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+ break;
+ case 'blog':
+ $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
+ break;
+ case 'server':
+ $lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server));
+ break;
+ }
+
+ $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
+
+ return $lastcommentmodified;
+}
+
+/**
+ * The amount of comments in a post or total comments.
+ *
+ * A lot like {@link wp_count_comments()}, in that they both return comment
+ * stats (albeit with different types). The {@link wp_count_comments()} actual
+ * caches, but this function does not.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.
+ * @return array The amount of spam, approved, awaiting moderation, and total comments.
+ */
+function get_comment_count( $post_id = 0 ) {
+ global $wpdb;
+
+ $post_id = (int) $post_id;
+
+ $where = '';
+ if ( $post_id > 0 ) {
+ $where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);
+ }
+
+ $totals = (array) $wpdb->get_results("
+ SELECT comment_approved, COUNT( * ) AS total
+ FROM {$wpdb->comments}
+ {$where}
+ GROUP BY comment_approved
+ ", ARRAY_A);
+
+ $comment_count = array(
+ "approved" => 0,
+ "awaiting_moderation" => 0,
+ "spam" => 0,
+ "total_comments" => 0
+ );
+
+ foreach ( $totals as $row ) {
+ switch ( $row['comment_approved'] ) {
+ case 'spam':
+ $comment_count['spam'] = $row['total'];
+ $comment_count["total_comments"] += $row['total'];
+ break;
+ case 1:
+ $comment_count['approved'] = $row['total'];
+ $comment_count['total_comments'] += $row['total'];
+ break;
+ case 0:
+ $comment_count['awaiting_moderation'] = $row['total'];
+ $comment_count['total_comments'] += $row['total'];
+ break;
+ default:
+ break;
+ }
+ }
+
+ return $comment_count;
+}
+
+//
+// Comment meta functions
+//
+
+/**
+ * Add meta data field to a comment.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/add_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Metadata value.
+ * @param bool $unique Optional, default is false. Whether the same key should not be added.
+ * @return int|bool Meta ID on success, false on failure.
+ */
+function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false) {
+ return add_metadata('comment', $comment_id, $meta_key, $meta_value, $unique);
+}
+
+/**
+ * Remove metadata matching criteria from a comment.
+ *
+ * You can match based on the key, or key and value. Removing based on key and
+ * value, will keep from removing duplicate metadata with the same key. It also
+ * allows removing all metadata matching key, if needed.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/delete_comment_meta
+ *
+ * @param int $comment_id comment ID
+ * @param string $meta_key Metadata name.
+ * @param mixed $meta_value Optional. Metadata value.
+ * @return bool True on success, false on failure.
+ */
+function delete_comment_meta($comment_id, $meta_key, $meta_value = '') {
+ return delete_metadata('comment', $comment_id, $meta_key, $meta_value);
+}
+
+/**
+ * Retrieve comment meta field for a comment.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/get_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
+ * @param bool $single Whether to return a single value.
+ * @return mixed Will be an array if $single is false. Will be value of meta data field if $single
+ * is true.
+ */
+function get_comment_meta($comment_id, $key = '', $single = false) {
+ return get_metadata('comment', $comment_id, $key, $single);
+}
+
+/**
+ * Update comment meta field based on comment ID.
+ *
+ * Use the $prev_value parameter to differentiate between meta fields with the
+ * same key and comment ID.
+ *
+ * If the meta field for the comment does not exist, it will be added.
+ *
+ * @since 2.9.0
+ * @link https://codex.wordpress.org/Function_Reference/update_comment_meta
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $meta_key Metadata key.
+ * @param mixed $meta_value Metadata value.
+ * @param mixed $prev_value Optional. Previous value to check before removing.
+ * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
+ */
+function update_comment_meta($comment_id, $meta_key, $meta_value, $prev_value = '') {
+ return update_metadata('comment', $comment_id, $meta_key, $meta_value, $prev_value);
+}
+
+/**
+ * Sets the cookies used to store an unauthenticated commentator's identity. Typically used
+ * to recall previous comments by this commentator that are still held in moderation.
+ *
+ * @param object $comment Comment object.
+ * @param object $user Comment author's object.
+ *
+ * @since 3.4.0
+ */
+function wp_set_comment_cookies($comment, $user) {
+ if ( $user->exists() )
+ return;
+
+ /**
+ * Filter the lifetime of the comment cookie in seconds.
+ *
+ * @since 2.8.0
+ *
+ * @param int $seconds Comment cookie lifetime. Default 30000000.
+ */
+ $comment_cookie_lifetime = apply_filters( 'comment_cookie_lifetime', 30000000 );
+ $secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
+ setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+ setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+ setcookie( 'comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
+}
+
+/**
+ * Sanitizes the cookies sent to the user already.
+ *
+ * Will only do anything if the cookies have already been created for the user.
+ * Mostly used after cookies had been sent to use elsewhere.
+ *
+ * @since 2.0.4
+ */
+function sanitize_comment_cookies() {
+ if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) {
+ /**
+ * Filter the comment author's name cookie before it is set.
+ *
+ * When this filter hook is evaluated in wp_filter_comment(),
+ * the comment author's name string is passed.
+ *
+ * @since 1.5.0
+ *
+ * @param string $author_cookie The comment author name cookie.
+ */
+ $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] );
+ $comment_author = wp_unslash($comment_author);
+ $comment_author = esc_attr($comment_author);
+ $_COOKIE['comment_author_' . COOKIEHASH] = $comment_author;
+ }
+
+ if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) {
+ /**
+ * Filter the comment author's email cookie before it is set.
+ *
+ * When this filter hook is evaluated in wp_filter_comment(),
+ * the comment author's email string is passed.
+ *
+ * @since 1.5.0
+ *
+ * @param string $author_email_cookie The comment author email cookie.
+ */
+ $comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE['comment_author_email_' . COOKIEHASH] );
+ $comment_author_email = wp_unslash($comment_author_email);
+ $comment_author_email = esc_attr($comment_author_email);
+ $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
+ }
+
+ if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) {
+ /**
+ * Filter the comment author's URL cookie before it is set.
+ *
+ * When this filter hook is evaluated in wp_filter_comment(),
+ * the comment author's URL string is passed.
+ *
+ * @since 1.5.0
+ *
+ * @param string $author_url_cookie The comment author URL cookie.
+ */
+ $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] );
+ $comment_author_url = wp_unslash($comment_author_url);
+ $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
+ }
+}
+
+/**
+ * Validates whether this comment is allowed to be made.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata Contains information on the comment
+ * @return int|string Signifies the approval status (0|1|'spam')
+ */
+function wp_allow_comment( $commentdata ) {
+ global $wpdb;
+
+ // Simple duplicate check
+ // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
+ $dupe = $wpdb->prepare(
+ "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ",
+ wp_unslash( $commentdata['comment_post_ID'] ),
+ wp_unslash( $commentdata['comment_parent'] ),
+ wp_unslash( $commentdata['comment_author'] )
+ );
+ if ( $commentdata['comment_author_email'] ) {
+ $dupe .= $wpdb->prepare(
+ "OR comment_author_email = %s ",
+ wp_unslash( $commentdata['comment_author_email'] )
+ );
+ }
+ $dupe .= $wpdb->prepare(
+ ") AND comment_content = %s LIMIT 1",
+ wp_unslash( $commentdata['comment_content'] )
+ );
+ if ( $wpdb->get_var( $dupe ) ) {
+ /**
+ * Fires immediately after a duplicate comment is detected.
+ *
+ * @since 3.0.0
+ *
+ * @param array $commentdata Comment data.
+ */
+ do_action( 'comment_duplicate_trigger', $commentdata );
+ if ( defined( 'DOING_AJAX' ) ) {
+ die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
+ }
+ wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
+ }
+
+ /**
+ * Fires immediately before a comment is marked approved.
+ *
+ * Allows checking for comment flooding.
+ *
+ * @since 2.3.0
+ *
+ * @param string $comment_author_IP Comment author's IP address.
+ * @param string $comment_author_email Comment author's email.
+ * @param string $comment_date_gmt GMT date the comment was posted.
+ */
+ do_action(
+ 'check_comment_flood',
+ $commentdata['comment_author_IP'],
+ $commentdata['comment_author_email'],
+ $commentdata['comment_date_gmt']
+ );
+
+ if ( ! empty( $commentdata['user_id'] ) ) {
+ $user = get_userdata( $commentdata['user_id'] );
+ $post_author = $wpdb->get_var( $wpdb->prepare(
+ "SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1",
+ $commentdata['comment_post_ID']
+ ) );
+ }
+
+ if ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
+ // The author and the admins get respect.
+ $approved = 1;
+ } else {
+ // Everyone else's comments will be checked.
+ if ( check_comment(
+ $commentdata['comment_author'],
+ $commentdata['comment_author_email'],
+ $commentdata['comment_author_url'],
+ $commentdata['comment_content'],
+ $commentdata['comment_author_IP'],
+ $commentdata['comment_agent'],
+ $commentdata['comment_type']
+ ) ) {
+ $approved = 1;
+ } else {
+ $approved = 0;
+ }
+
+ if ( wp_blacklist_check(
+ $commentdata['comment_author'],
+ $commentdata['comment_author_email'],
+ $commentdata['comment_author_url'],
+ $commentdata['comment_content'],
+ $commentdata['comment_author_IP'],
+ $commentdata['comment_agent']
+ ) ) {
+ $approved = 'spam';
+ }
+ }
+
+ /**
+ * Filter a comment's approval status before it is set.
+ *
+ * @since 2.1.0
+ *
+ * @param bool|string $approved The approval status. Accepts 1, 0, or 'spam'.
+ * @param array $commentdata Comment data.
+ */
+ $approved = apply_filters( 'pre_comment_approved', $approved, $commentdata );
+ return $approved;
+}
+
+/**
+ * Check whether comment flooding is occurring.
+ *
+ * Won't run, if current user can manage options, so to not block
+ * administrators.
+ *
+ * @since 2.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $ip Comment IP.
+ * @param string $email Comment author email address.
+ * @param string $date MySQL time string.
+ */
+function check_comment_flood_db( $ip, $email, $date ) {
+ global $wpdb;
+ if ( current_user_can( 'manage_options' ) )
+ return; // don't throttle admins
+ $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
+ if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
+ $time_lastcomment = mysql2date('U', $lasttime, false);
+ $time_newcomment = mysql2date('U', $date, false);
+ /**
+ * Filter the comment flood status.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $bool Whether a comment flood is occurring. Default false.
+ * @param int $time_lastcomment Timestamp of when the last comment was posted.
+ * @param int $time_newcomment Timestamp of when the new comment was posted.
+ */
+ $flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
+ if ( $flood_die ) {
+ /**
+ * Fires before the comment flood message is triggered.
+ *
+ * @since 1.5.0
+ *
+ * @param int $time_lastcomment Timestamp of when the last comment was posted.
+ * @param int $time_newcomment Timestamp of when the new comment was posted.
+ */
+ do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
+
+ if ( defined('DOING_AJAX') )
+ die( __('You are posting comments too quickly. Slow down.') );
+
+ wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
+ }
+ }
+}
+
+/**
+ * Separates an array of comments into an array keyed by comment_type.
+ *
+ * @since 2.7.0
+ *
+ * @param array $comments Array of comments
+ * @return array Array of comments keyed by comment_type.
+ */
+function separate_comments(&$comments) {
+ $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
+ $count = count($comments);
+ for ( $i = 0; $i < $count; $i++ ) {
+ $type = $comments[$i]->comment_type;
+ if ( empty($type) )
+ $type = 'comment';
+ $comments_by_type[$type][] = &$comments[$i];
+ if ( 'trackback' == $type || 'pingback' == $type )
+ $comments_by_type['pings'][] = &$comments[$i];
+ }
+
+ return $comments_by_type;
+}
+
+/**
+ * Calculate the total number of comment pages.
+ *
+ * @since 2.7.0
+ *
+ * @uses Walker_Comment
+ *
+ * @global WP_Query $wp_query
+ *
+ * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments
+ * @param int $per_page Optional comments per page.
+ * @param bool $threaded Optional control over flat or threaded comments.
+ * @return int Number of comment pages.
+ */
+function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
+ global $wp_query;
+
+ if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )
+ return $wp_query->max_num_comment_pages;
+
+ if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments ) )
+ $comments = $wp_query->comments;
+
+ if ( empty($comments) )
+ return 0;
+
+ if ( ! get_option( 'page_comments' ) )
+ return 1;
+
+ if ( !isset($per_page) )
+ $per_page = (int) get_query_var('comments_per_page');
+ if ( 0 === $per_page )
+ $per_page = (int) get_option('comments_per_page');
+ if ( 0 === $per_page )
+ return 1;
+
+ if ( !isset($threaded) )
+ $threaded = get_option('thread_comments');
+
+ if ( $threaded ) {
+ $walker = new Walker_Comment;
+ $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
+ } else {
+ $count = ceil( count( $comments ) / $per_page );
+ }
+
+ return $count;
+}
+
+/**
+ * Calculate what page number a comment will appear on for comment paging.
+ *
+ * @since 2.7.0
+ *
+ * @global wpdb $wpdb
+ *
+ * @param int $comment_ID Comment ID.
+ * @param array $args Optional args.
+ * @return int|null Comment page number or null on error.
+ */
+function get_page_of_comment( $comment_ID, $args = array() ) {
+ global $wpdb;
+
+ if ( !$comment = get_comment( $comment_ID ) )
+ return;
+
+ $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
+ $args = wp_parse_args( $args, $defaults );
+
+ if ( '' === $args['per_page'] && get_option('page_comments') )
+ $args['per_page'] = get_query_var('comments_per_page');
+ if ( empty($args['per_page']) ) {
+ $args['per_page'] = 0;
+ $args['page'] = 0;
+ }
+ if ( $args['per_page'] < 1 )
+ return 1;
+
+ if ( '' === $args['max_depth'] ) {
+ if ( get_option('thread_comments') )
+ $args['max_depth'] = get_option('thread_comments_depth');
+ else
+ $args['max_depth'] = -1;
+ }
+
+ // Find this comment's top level parent if threading is enabled
+ if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )
+ return get_page_of_comment( $comment->comment_parent, $args );
+
+ $allowedtypes = array(
+ 'comment' => '',
+ 'pingback' => 'pingback',
+ 'trackback' => 'trackback',
+ );
+
+ $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : '';
+
+ // Count comments older than this one
+ $oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_approved = '1' AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) );
+
+ // No older comments? Then it's page #1.
+ if ( 0 == $oldercoms )
+ return 1;
+
+ // Divide comments older than this one by comments per page to get this comment's page number
+ return ceil( ( $oldercoms + 1 ) / $args['per_page'] );
+}
+
+/**
+ * Does comment contain blacklisted characters or words.
+ *
+ * @since 1.5.0
+ *
+ * @param string $author The author of the comment
+ * @param string $email The email of the comment
+ * @param string $url The url used in the comment
+ * @param string $comment The comment content
+ * @param string $user_ip The comment author IP address
+ * @param string $user_agent The author's browser user agent
+ * @return bool True if comment contains blacklisted content, false if comment does not
+ */
+function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
+ /**
+ * Fires before the comment is tested for blacklisted characters or words.
+ *
+ * @since 1.5.0
+ *
+ * @param string $author Comment author.
+ * @param string $email Comment author's email.
+ * @param string $url Comment author's URL.
+ * @param string $comment Comment content.
+ * @param string $user_ip Comment author's IP address.
+ * @param string $user_agent Comment author's browser user agent.
+ */
+ do_action( 'wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent );
+
+ $mod_keys = trim( get_option('blacklist_keys') );
+ if ( '' == $mod_keys )
+ return false; // If moderation keys are empty
+ $words = explode("\n", $mod_keys );
+
+ foreach ( (array) $words as $word ) {
+ $word = trim($word);
+
+ // Skip empty lines
+ if ( empty($word) ) { continue; }
+
+ // Do some escaping magic so that '#' chars in the
+ // spam words don't break things:
+ $word = preg_quote($word, '#');
+
+ $pattern = "#$word#i";
+ if (
+ preg_match($pattern, $author)
+ || preg_match($pattern, $email)
+ || preg_match($pattern, $url)
+ || preg_match($pattern, $comment)
+ || preg_match($pattern, $user_ip)
+ || preg_match($pattern, $user_agent)
+ )
+ return true;
+ }
+ return false;
+}
+
+/**
+ * Retrieve total comments for blog or single post.
+ *
+ * The properties of the returned object contain the 'moderated', 'approved',
+ * and spam comments for either the entire blog or single post. Those properties
+ * contain the amount of comments that match the status. The 'total_comments'
+ * property contains the integer of total comments.
+ *
+ * The comment stats are cached and then retrieved, if they already exist in the
+ * cache.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb
+ *
+ * @param int $post_id Optional. Post ID.
+ * @return object|array Comment stats.
+ */
+function wp_count_comments( $post_id = 0 ) {
+ global $wpdb;
+
+ $post_id = (int) $post_id;
+
+ /**
+ * Filter the comments count for a given post.
+ *
+ * @since 2.7.0
+ *
+ * @param array $count An empty array.
+ * @param int $post_id The post ID.
+ */
+ $stats = apply_filters( 'wp_count_comments', array(), $post_id );
+ if ( !empty($stats) )
+ return $stats;
+
+ $count = wp_cache_get("comments-{$post_id}", 'counts');
+
+ if ( false !== $count )
+ return $count;
+
+ $where = '';
+ if ( $post_id > 0 )
+ $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );
+
+ $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );
+
+ $total = 0;
+ $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam', 'trash' => 'trash', 'post-trashed' => 'post-trashed');
+ foreach ( (array) $count as $row ) {
+ // Don't count post-trashed toward totals
+ if ( 'post-trashed' != $row['comment_approved'] && 'trash' != $row['comment_approved'] )
+ $total += $row['num_comments'];
+ if ( isset( $approved[$row['comment_approved']] ) )
+ $stats[$approved[$row['comment_approved']]] = $row['num_comments'];
+ }
+
+ $stats['total_comments'] = $total;
+ foreach ( $approved as $key ) {
+ if ( empty($stats[$key]) )
+ $stats[$key] = 0;
+ }
+
+ $stats = (object) $stats;
+ wp_cache_set("comments-{$post_id}", $stats, 'counts');
+
+ return $stats;
+}
+
+/**
+ * Trashes or deletes a comment.
+ *
+ * The comment is moved to trash instead of permanently deleted unless trash is
+ * disabled, item is already in the trash, or $force_delete is true.
+ *
+ * The post comment count will be updated if the comment was approved and has a
+ * post ID available.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $comment_id Comment ID
+ * @param bool $force_delete Whether to bypass trash and force deletion. Default is false.
+ * @return bool True on success, false on failure.
+ */
+function wp_delete_comment($comment_id, $force_delete = false) {
+ global $wpdb;
+ if (!$comment = get_comment($comment_id))
+ return false;
+
+ if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status($comment_id), array( 'trash', 'spam' ) ) )
+ return wp_trash_comment($comment_id);
+
+ /**
+ * Fires immediately before a comment is deleted from the database.
+ *
+ * @since 1.2.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'delete_comment', $comment_id );
+
+ // Move children up a level.
+ $children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) );
+ if ( !empty($children) ) {
+ $wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment_id));
+ clean_comment_cache($children);
+ }
+
+ // Delete metadata
+ $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment_id ) );
+ foreach ( $meta_ids as $mid )
+ delete_metadata_by_mid( 'comment', $mid );
+
+ if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment_id ) ) )
+ return false;
+
+ /**
+ * Fires immediately after a comment is deleted from the database.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'deleted_comment', $comment_id );
+
+ $post_id = $comment->comment_post_ID;
+ if ( $post_id && $comment->comment_approved == 1 )
+ wp_update_comment_count($post_id);
+
+ clean_comment_cache($comment_id);
+
+ /** This action is documented in wp-includes/comment.php */
+ do_action( 'wp_set_comment_status', $comment_id, 'delete' );
+
+ wp_transition_comment_status('delete', $comment->comment_approved, $comment);
+ return true;
+}
+
+/**
+ * Moves a comment to the Trash
+ *
+ * If trash is disabled, comment is permanently deleted.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id Comment ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_trash_comment($comment_id) {
+ if ( !EMPTY_TRASH_DAYS )
+ return wp_delete_comment($comment_id, true);
+
+ if ( !$comment = get_comment($comment_id) )
+ return false;
+
+ /**
+ * Fires immediately before a comment is sent to the Trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'trash_comment', $comment_id );
+
+ if ( wp_set_comment_status($comment_id, 'trash') ) {
+ delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
+ delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
+ add_comment_meta( $comment_id, '_wp_trash_meta_status', $comment->comment_approved );
+ add_comment_meta( $comment_id, '_wp_trash_meta_time', time() );
+
+ /**
+ * Fires immediately after a comment is sent to Trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'trashed_comment', $comment_id );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Removes a comment from the Trash
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id Comment ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_untrash_comment($comment_id) {
+ if ( ! (int)$comment_id )
+ return false;
+
+ /**
+ * Fires immediately before a comment is restored from the Trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'untrash_comment', $comment_id );
+
+ $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
+ if ( empty($status) )
+ $status = '0';
+
+ if ( wp_set_comment_status($comment_id, $status) ) {
+ delete_comment_meta($comment_id, '_wp_trash_meta_time');
+ delete_comment_meta($comment_id, '_wp_trash_meta_status');
+ /**
+ * Fires immediately after a comment is restored from the Trash.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'untrashed_comment', $comment_id );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Marks a comment as Spam
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id Comment ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_spam_comment($comment_id) {
+ if ( !$comment = get_comment($comment_id) )
+ return false;
+
+ /**
+ * Fires immediately before a comment is marked as Spam.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'spam_comment', $comment_id );
+
+ if ( wp_set_comment_status($comment_id, 'spam') ) {
+ delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
+ delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
+ add_comment_meta( $comment_id, '_wp_trash_meta_status', $comment->comment_approved );
+ add_comment_meta( $comment_id, '_wp_trash_meta_time', time() );
+ /**
+ * Fires immediately after a comment is marked as Spam.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'spammed_comment', $comment_id );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * Removes a comment from the Spam
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id Comment ID.
+ * @return bool True on success, false on failure.
+ */
+function wp_unspam_comment($comment_id) {
+ if ( ! (int)$comment_id )
+ return false;
+
+ /**
+ * Fires immediately before a comment is unmarked as Spam.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'unspam_comment', $comment_id );
+
+ $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
+ if ( empty($status) )
+ $status = '0';
+
+ if ( wp_set_comment_status($comment_id, $status) ) {
+ delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
+ delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
+ /**
+ * Fires immediately after a comment is unmarked as Spam.
+ *
+ * @since 2.9.0
+ *
+ * @param int $comment_id The comment ID.
+ */
+ do_action( 'unspammed_comment', $comment_id );
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * The status of a comment by ID.
+ *
+ * @since 1.0.0
+ *
+ * @param int $comment_id Comment ID
+ * @return false|string Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
+ */
+function wp_get_comment_status($comment_id) {
+ $comment = get_comment($comment_id);
+ if ( !$comment )
+ return false;
+
+ $approved = $comment->comment_approved;
+
+ if ( $approved == null )
+ return false;
+ elseif ( $approved == '1' )
+ return 'approved';
+ elseif ( $approved == '0' )
+ return 'unapproved';
+ elseif ( $approved == 'spam' )
+ return 'spam';
+ elseif ( $approved == 'trash' )
+ return 'trash';
+ else
+ return false;
+}
+
+/**
+ * Call hooks for when a comment status transition occurs.
+ *
+ * Calls hooks for comment status transitions. If the new comment status is not the same
+ * as the previous comment status, then two hooks will be ran, the first is
+ * 'transition_comment_status' with new status, old status, and comment data. The
+ * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the
+ * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the
+ * comment data.
+ *
+ * The final action will run whether or not the comment statuses are the same. The
+ * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status
+ * parameter and COMMENTTYPE is comment_type comment data.
+ *
+ * @since 2.7.0
+ *
+ * @param string $new_status New comment status.
+ * @param string $old_status Previous comment status.
+ * @param object $comment Comment data.
+ */
+function wp_transition_comment_status($new_status, $old_status, $comment) {
+ /*
+ * Translate raw statuses to human readable formats for the hooks.
+ * This is not a complete list of comment status, it's only the ones
+ * that need to be renamed
+ */
+ $comment_statuses = array(
+ 0 => 'unapproved',
+ 'hold' => 'unapproved', // wp_set_comment_status() uses "hold"
+ 1 => 'approved',
+ 'approve' => 'approved', // wp_set_comment_status() uses "approve"
+ );
+ if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
+ if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
+
+ // Call the hooks
+ if ( $new_status != $old_status ) {
+ /**
+ * Fires when the comment status is in transition.
+ *
+ * @since 2.7.0
+ *
+ * @param int|string $new_status The new comment status.
+ * @param int|string $old_status The old comment status.
+ * @param object $comment The comment data.
+ */
+ do_action( 'transition_comment_status', $new_status, $old_status, $comment );
+ /**
+ * Fires when the comment status is in transition from one specific status to another.
+ *
+ * The dynamic portions of the hook name, `$old_status`, and `$new_status`,
+ * refer to the old and new comment statuses, respectively.
+ *
+ * @since 2.7.0
+ *
+ * @param object $comment Comment object.
+ */
+ do_action( "comment_{$old_status}_to_{$new_status}", $comment );
+ }
+ /**
+ * Fires when the status of a specific comment type is in transition.
+ *
+ * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`,
+ * refer to the new comment status, and the type of comment, respectively.
+ *
+ * Typical comment types include an empty string (standard comment), 'pingback',
+ * or 'trackback'.
+ *
+ * @since 2.7.0
+ *
+ * @param int $comment_ID The comment ID.
+ * @param obj $comment Comment object.
+ */
+ do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
+}
+
+/**
+ * Get current commenter's name, email, and URL.
+ *
+ * Expects cookies content to already be sanitized. User of this function might
+ * wish to recheck the returned array for validity.
+ *
+ * @see sanitize_comment_cookies() Use to sanitize cookies
+ *
+ * @since 2.0.4
+ *
+ * @return array Comment author, email, url respectively.
+ */
+function wp_get_current_commenter() {
+ // Cookies should already be sanitized.
+
+ $comment_author = '';
+ if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
+ $comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
+
+ $comment_author_email = '';
+ if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
+ $comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
+
+ $comment_author_url = '';
+ if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
+ $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
+
+ /**
+ * Filter the current commenter's name, email, and URL.
+ *
+ * @since 3.1.0
+ *
+ * @param string $comment_author Comment author's name.
+ * @param string $comment_author_email Comment author's email.
+ * @param string $comment_author_url Comment author's URL.
+ */
+ return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
+}
+
+/**
+ * Inserts a comment into the database.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentdata {
+ * Array of arguments for inserting a new comment.
+ *
+ * @type string $comment_agent The HTTP user agent of the `$comment_author` when
+ * the comment was submitted. Default empty.
+ * @type int|string $comment_approved Whether the comment has been approved. Default 1.
+ * @type string $comment_author The name of the author of the comment. Default empty.
+ * @type string $comment_author_email The email address of the `$comment_author`. Default empty.
+ * @type string $comment_author_IP The IP address of the `$comment_author`. Default empty.
+ * @type string $comment_author_url The URL address of the `$comment_author`. Default empty.
+ * @type string $comment_content The content of the comment. Default empty.
+ * @type string $comment_date The date the comment was submitted. To set the date
+ * manually, `$comment_date_gmt` must also be specified.
+ * Default is the current time.
+ * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
+ * Default is `$comment_date` in the site's GMT timezone.
+ * @type int $comment_karma The karma of the comment. Default 0.
+ * @type int $comment_parent ID of this comment's parent, if any. Default 0.
+ * @type int $comment_post_ID ID of the post that relates to the comment, if any.
+ * Default empty.
+ * @type string $comment_type Comment type. Default empty.
+ * @type int $user_id ID of the user who submitted the comment. Default 0.
+ * }
+ * @return int|false The new comment's ID on success, false on failure.
+ */
+function wp_insert_comment( $commentdata ) {
+ global $wpdb;
+ $data = wp_unslash( $commentdata );
+
+ $comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
+ $comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
+ $comment_author_url = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url'];
+ $comment_author_IP = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP'];
+
+ $comment_date = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date'];
+ $comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];
+
+ $comment_post_ID = ! isset( $data['comment_post_ID'] ) ? '' : $data['comment_post_ID'];
+ $comment_content = ! isset( $data['comment_content'] ) ? '' : $data['comment_content'];
+ $comment_karma = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma'];
+ $comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved'];
+ $comment_agent = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent'];
+ $comment_type = ! isset( $data['comment_type'] ) ? '' : $data['comment_type'];
+ $comment_parent = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent'];
+
+ $user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];
+
+ $compacted = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id' );
+ if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
+ return false;
+ }
+
+ $id = (int) $wpdb->insert_id;
+
+ if ( $comment_approved == 1 ) {
+ wp_update_comment_count( $comment_post_ID );
+ }
+ $comment = get_comment( $id );
+
+ /**
+ * Fires immediately after a comment is inserted into the database.
+ *
+ * @since 2.8.0
+ *
+ * @param int $id The comment ID.
+ * @param obj $comment Comment object.
+ */
+ do_action( 'wp_insert_comment', $id, $comment );
+
+ wp_cache_set( 'last_changed', microtime(), 'comment' );
+
+ return $id;
+}
+
+/**
+ * Filters and sanitizes comment data.
+ *
+ * Sets the comment data 'filtered' field to true when finished. This can be
+ * checked as to whether the comment should be filtered and to keep from
+ * filtering the same comment more than once.
+ *
+ * @since 2.0.0
+ *
+ * @param array $commentdata Contains information on the comment.
+ * @return array Parsed comment information.
+ */
+function wp_filter_comment($commentdata) {
+ if ( isset( $commentdata['user_ID'] ) ) {
+ /**
+ * Filter the comment author's user id before it is set.
+ *
+ * The first time this filter is evaluated, 'user_ID' is checked
+ * (for back-compat), followed by the standard 'user_id' value.
+ *
+ * @since 1.5.0
+ *
+ * @param int $user_ID The comment author's user ID.
+ */
+ $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] );
+ } elseif ( isset( $commentdata['user_id'] ) ) {
+ /** This filter is documented in wp-includes/comment.php */
+ $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] );
+ }
+
+ /**
+ * Filter the comment author's browser user agent before it is set.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_agent The comment author's browser user agent.
+ */
+ $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
+ /** This filter is documented in wp-includes/comment.php */
+ $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] );
+ /**
+ * Filter the comment content before it is set.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_content The comment content.
+ */
+ $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
+ /**
+ * Filter the comment author's IP before it is set.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_author_ip The comment author's IP.
+ */
+ $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] );
+ /** This filter is documented in wp-includes/comment.php */
+ $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] );
+ /** This filter is documented in wp-includes/comment.php */
+ $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] );
+ $commentdata['filtered'] = true;
+ return $commentdata;
+}
+
+/**
+ * Whether a comment should be blocked because of comment flood.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $block Whether plugin has already blocked comment.
+ * @param int $time_lastcomment Timestamp for last comment.
+ * @param int $time_newcomment Timestamp for new comment.
+ * @return bool Whether comment should be blocked.
+ */
+function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
+ if ( $block ) // a plugin has already blocked... we'll let that decision stand
+ return $block;
+ if ( ($time_newcomment - $time_lastcomment) < 15 )
+ return true;
+ return false;
+}
+
+/**
+ * Adds a new comment to the database.
+ *
+ * Filters new comment to ensure that the fields are sanitized and valid before
+ * inserting comment into database. Calls 'comment_post' action with comment ID
+ * and whether comment is approved by WordPress. Also has 'preprocess_comment'
+ * filter for processing the comment data before the function handles it.
+ *
+ * We use REMOTE_ADDR here directly. If you are behind a proxy, you should ensure
+ * that it is properly set, such as in wp-config.php, for your environment.
+ * See {@link https://core.trac.wordpress.org/ticket/9235}
+ *
+ * @since 1.5.0
+ * @since 4.3.0 'comment_agent' and 'comment_author_IP' can be set via `$commentdata`.
+ *
+ * @see wp_insert_comment()
+ *
+ * @global wpdb $wpdb
+ *
+ * @param array $commentdata {
+ * Comment data.
+ *
+ * @type string $comment_author The name of the comment author.
+ * @type string $comment_author_email The comment author email address.
+ * @type string $comment_author_url The comment author URL.
+ * @type string $comment_content The content of the comment.
+ * @type string $comment_date The date the comment was submitted. Default is the current time.
+ * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
+ * Default is `$comment_date` in the GMT timezone.
+ * @type int $comment_parent The ID of this comment's parent, if any. Default 0.
+ * @type int $comment_post_ID The ID of the post that relates to the comment.
+ * @type int $user_id The ID of the user who submitted the comment. Default 0.
+ * @type int $user_ID Kept for backward-compatibility. Use `$user_id` instead.
+ * @type string $comment_agent Comment author user agent. Default is the value of 'HTTP_USER_AGENT'
+ * in the `$_SERVER` superglobal sent in the original request.
+ * @type string $comment_author_IP Comment author IP address in IPv4 format. Default is the value of
+ * 'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request.
+ * }
+ * @return int|false The ID of the comment on success, false on failure.
+ */
+function wp_new_comment( $commentdata ) {
+ global $wpdb;
+
+ if ( isset( $commentdata['user_ID'] ) ) {
+ $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+ }
+
+ $prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0;
+
+ /**
+ * Filter a comment's data before it is sanitized and inserted into the database.
+ *
+ * @since 1.5.0
+ *
+ * @param array $commentdata Comment data.
+ */
+ $commentdata = apply_filters( 'preprocess_comment', $commentdata );
+
+ $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
+ if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) {
+ $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
+ } elseif ( isset( $commentdata['user_id'] ) ) {
+ $commentdata['user_id'] = (int) $commentdata['user_id'];
+ }
+
+ $commentdata['comment_parent'] = isset($commentdata['comment_parent']) ? absint($commentdata['comment_parent']) : 0;
+ $parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';
+ $commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;
+
+ if ( ! isset( $commentdata['comment_author_IP'] ) ) {
+ $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
+ }
+ $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '', $commentdata['comment_author_IP'] );
+
+ if ( ! isset( $commentdata['comment_agent'] ) ) {
+ $commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT']: '';
+ }
+ $commentdata['comment_agent'] = substr( $commentdata['comment_agent'], 0, 254 );
+
+ if ( empty( $commentdata['comment_date'] ) ) {
+ $commentdata['comment_date'] = current_time('mysql');
+ }
+
+ if ( empty( $commentdata['comment_date_gmt'] ) ) {
+ $commentdata['comment_date_gmt'] = current_time( 'mysql', 1 );
+ }
+
+ $commentdata = wp_filter_comment($commentdata);
+
+ $commentdata['comment_approved'] = wp_allow_comment($commentdata);
+
+ $comment_ID = wp_insert_comment($commentdata);
+ if ( ! $comment_ID ) {
+ $fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' );
+
+ foreach ( $fields as $field ) {
+ if ( isset( $commentdata[ $field ] ) ) {
+ $commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] );
+ }
+ }
+
+ $commentdata = wp_filter_comment( $commentdata );
+
+ $commentdata['comment_approved'] = wp_allow_comment( $commentdata );
+
+ $comment_ID = wp_insert_comment( $commentdata );
+ if ( ! $comment_ID ) {
+ return false;
+ }
+ }
+
+ /**
+ * Fires immediately after a comment is inserted into the database.
+ *
+ * @since 1.2.0
+ *
+ * @param int $comment_ID The comment ID.
+ * @param int $comment_approved 1 (true) if the comment is approved, 0 (false) if not.
+ */
+ do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'] );
+
+ if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
+ if ( '0' == $commentdata['comment_approved'] ) {
+ wp_notify_moderator( $comment_ID );
+ }
+
+ // wp_notify_postauthor() checks if notifying the author of their own comment.
+ // By default, it won't, but filters can override this.
+ if ( get_option( 'comments_notify' ) && $commentdata['comment_approved'] ) {
+ wp_notify_postauthor( $comment_ID );
+ }
+ }
+
+ return $comment_ID;
+}
+
+/**
+ * Sets the status of a comment.
+ *
+ * The 'wp_set_comment_status' action is called after the comment is handled.
+ * If the comment status is not in the list, then false is returned.
+ *
+ * @since 1.0.0
+ *
+ * global wpdb $wpdb
+ *
+ * @param int $comment_id Comment ID.
+ * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'.
+ * @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default is false.
+ * @return bool|WP_Error True on success, false or WP_Error on failure.
+ */
+function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) {
+ global $wpdb;
+
+ switch ( $comment_status ) {
+ case 'hold':
+ case '0':
+ $status = '0';
+ break;
+ case 'approve':
+ case '1':
+ $status = '1';
+ if ( get_option('comments_notify') ) {
+ wp_notify_postauthor( $comment_id );
+ }
+ break;
+ case 'spam':
+ $status = 'spam';
+ break;
+ case 'trash':
+ $status = 'trash';
+ break;
+ default:
+ return false;
+ }
+
+ $comment_old = clone get_comment($comment_id);
+
+ if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) {
+ if ( $wp_error )
+ return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
+ else
+ return false;
+ }
+
+ clean_comment_cache($comment_id);
+
+ $comment = get_comment($comment_id);
+
+ /**
+ * Fires immediately before transitioning a comment's status from one to another
+ * in the database.
+ *
+ * @since 1.5.0
+ *
+ * @param int $comment_id Comment ID.
+ * @param string|bool $comment_status Current comment status. Possible values include
+ * 'hold', 'approve', 'spam', 'trash', or false.
+ */
+ do_action( 'wp_set_comment_status', $comment_id, $comment_status );
+
+ wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
+
+ wp_update_comment_count($comment->comment_post_ID);
+
+ return true;
+}
+
+/**
+ * Updates an existing comment in the database.
+ *
+ * Filters the comment and makes sure certain fields are valid before updating.
+ *
+ * @since 2.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param array $commentarr Contains information on the comment.
+ * @return int Comment was updated if value is 1, or was not updated if value is 0.
+ */
+function wp_update_comment($commentarr) {
+ global $wpdb;
+
+ // First, get all of the original fields
+ $comment = get_comment($commentarr['comment_ID'], ARRAY_A);
+ if ( empty( $comment ) ) {
+ return 0;
+ }
+
+ // Make sure that the comment post ID is valid (if specified).
+ if ( isset( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) {
+ return 0;
+ }
+
+ // Escape data pulled from DB.
+ $comment = wp_slash($comment);
+
+ $old_status = $comment['comment_approved'];
+
+ // Merge old and new fields with new fields overwriting old ones.
+ $commentarr = array_merge($comment, $commentarr);
+
+ $commentarr = wp_filter_comment( $commentarr );
+
+ // Now extract the merged array.
+ $data = wp_unslash( $commentarr );
+
+ /**
+ * Filter the comment content before it is updated in the database.
+ *
+ * @since 1.5.0
+ *
+ * @param string $comment_content The comment data.
+ */
+ $data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] );
+
+ $data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] );
+
+ if ( ! isset( $data['comment_approved'] ) ) {
+ $data['comment_approved'] = 1;
+ } elseif ( 'hold' == $data['comment_approved'] ) {
+ $data['comment_approved'] = 0;
+ } elseif ( 'approve' == $data['comment_approved'] ) {
+ $data['comment_approved'] = 1;
+ }
+
+ $comment_ID = $data['comment_ID'];
+ $comment_post_ID = $data['comment_post_ID'];
+ $keys = array( 'comment_post_ID', 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_type', 'comment_parent', 'user_id' );
+ $data = wp_array_slice_assoc( $data, $keys );
+ $rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_ID' ) );
+
+ clean_comment_cache( $comment_ID );
+ wp_update_comment_count( $comment_post_ID );
+ /**
+ * Fires immediately after a comment is updated in the database.
+ *
+ * The hook also fires immediately before comment status transition hooks are fired.
+ *
+ * @since 1.2.0
+ *
+ * @param int $comment_ID The comment ID.
+ */
+ do_action( 'edit_comment', $comment_ID );
+ $comment = get_comment($comment_ID);
+ wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
+ return $rval;
+}
+
+/**
+ * Whether to defer comment counting.
+ *
+ * When setting $defer to true, all post comment counts will not be updated
+ * until $defer is set to false. When $defer is set to false, then all
+ * previously deferred updated post comment counts will then be automatically
+ * updated without having to call wp_update_comment_count() after.
+ *
+ * @since 2.5.0
+ * @staticvar bool $_defer
+ *
+ * @param bool $defer
+ * @return bool
+ */
+function wp_defer_comment_counting($defer=null) {
+ static $_defer = false;
+
+ if ( is_bool($defer) ) {
+ $_defer = $defer;
+ // flush any deferred counts
+ if ( !$defer )
+ wp_update_comment_count( null, true );
+ }
+
+ return $_defer;
+}
+
+/**
+ * Updates the comment count for post(s).
+ *
+ * When $do_deferred is false (is by default) and the comments have been set to
+ * be deferred, the post_id will be added to a queue, which will be updated at a
+ * later date and only updated once per post ID.
+ *
+ * If the comments have not be set up to be deferred, then the post will be
+ * updated. When $do_deferred is set to true, then all previous deferred post
+ * IDs will be updated along with the current $post_id.
+ *
+ * @since 2.1.0
+ * @see wp_update_comment_count_now() For what could cause a false return value
+ *
+ * @staticvar array $_deferred
+ *
+ * @param int $post_id Post ID
+ * @param bool $do_deferred Whether to process previously deferred post comment counts
+ * @return bool|void True on success, false on failure
+ */
+function wp_update_comment_count($post_id, $do_deferred=false) {
+ static $_deferred = array();
+
+ if ( $do_deferred ) {
+ $_deferred = array_unique($_deferred);
+ foreach ( $_deferred as $i => $_post_id ) {
+ wp_update_comment_count_now($_post_id);
+ unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */
+ }
+ }
+
+ if ( wp_defer_comment_counting() ) {
+ $_deferred[] = $post_id;
+ return true;
+ }
+ elseif ( $post_id ) {
+ return wp_update_comment_count_now($post_id);
+ }
+
+}
+
+/**
+ * Updates the comment count for the post.
+ *
+ * @since 2.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Post ID
+ * @return bool True on success, false on '0' $post_id or if post with ID does not exist.
+ */
+function wp_update_comment_count_now($post_id) {
+ global $wpdb;
+ $post_id = (int) $post_id;
+ if ( !$post_id )
+ return false;
+ if ( !$post = get_post($post_id) )
+ return false;
+
+ $old = (int) $post->comment_count;
+ $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );
+ $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
+
+ clean_post_cache( $post );
+
+ /**
+ * Fires immediately after a post's comment count is updated in the database.
+ *
+ * @since 2.3.0
+ *
+ * @param int $post_id Post ID.
+ * @param int $new The new comment count.
+ * @param int $old The old comment count.
+ */
+ do_action( 'wp_update_comment_count', $post_id, $new, $old );
+ /** This action is documented in wp-includes/post.php */
+ do_action( 'edit_post', $post_id, $post );
+
+ return true;
+}
+
+//
+// Ping and trackback functions.
+//
+
+/**
+ * Finds a pingback server URI based on the given URL.
+ *
+ * Checks the HTML for the rel="pingback" link and x-pingback headers. It does
+ * a check for the x-pingback headers first and returns that, if available. The
+ * check for the rel="pingback" has more overhead than just the header.
+ *
+ * @since 1.5.0
+ *
+ * @param string $url URL to ping.
+ * @param int $deprecated Not Used.
+ * @return false|string False on failure, string containing URI on success.
+ */
+function discover_pingback_server_uri( $url, $deprecated = '' ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.7' );
+
+ $pingback_str_dquote = 'rel="pingback"';
+ $pingback_str_squote = 'rel=\'pingback\'';
+
+ /** @todo Should use Filter Extension or custom preg_match instead. */
+ $parsed_url = parse_url($url);
+
+ if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen.
+ return false;
+
+ //Do not search for a pingback server on our own uploads
+ $uploads_dir = wp_upload_dir();
+ if ( 0 === strpos($url, $uploads_dir['baseurl']) )
+ return false;
+
+ $response = wp_safe_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
+
+ if ( is_wp_error( $response ) )
+ return false;
+
+ if ( wp_remote_retrieve_header( $response, 'x-pingback' ) )
+ return wp_remote_retrieve_header( $response, 'x-pingback' );
+
+ // Not an (x)html, sgml, or xml page, no use going further.
+ if ( preg_match('#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'content-type' )) )
+ return false;
+
+ // Now do a GET since we're going to look in the html headers (and we're sure it's not a binary file)
+ $response = wp_safe_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
+
+ if ( is_wp_error( $response ) )
+ return false;
+
+ $contents = wp_remote_retrieve_body( $response );
+
+ $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
+ $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
+ if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
+ $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
+ $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
+ $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
+ $pingback_href_start = $pingback_href_pos+6;
+ $pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
+ $pingback_server_url_len = $pingback_href_end - $pingback_href_start;
+ $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
+
+ // We may find rel="pingback" but an incomplete pingback URL
+ if ( $pingback_server_url_len > 0 ) { // We got it!
+ return $pingback_server_url;
+ }
+ }
+
+ return false;
+}
+
+/**
+ * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
+ *
+ * @since 2.1.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function do_all_pings() {
+ global $wpdb;
+
+ // Do pingbacks
+ while ($ping = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
+ delete_metadata_by_mid( 'post', $ping->meta_id );
+ pingback( $ping->post_content, $ping->ID );
+ }
+
+ // Do Enclosures
+ while ($enclosure = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
+ delete_metadata_by_mid( 'post', $enclosure->meta_id );
+ do_enclose( $enclosure->post_content, $enclosure->ID );
+ }
+
+ // Do Trackbacks
+ $trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");
+ if ( is_array($trackbacks) )
+ foreach ( $trackbacks as $trackback )
+ do_trackbacks($trackback);
+
+ //Do Update Services/Generic Pings
+ generic_ping();
+}
+
+/**
+ * Perform trackbacks.
+ *
+ * @since 1.5.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param int $post_id Post ID to do trackbacks on.
+ */
+function do_trackbacks($post_id) {
+ global $wpdb;
+
+ $post = get_post( $post_id );
+ $to_ping = get_to_ping($post_id);
+ $pinged = get_pung($post_id);
+ if ( empty($to_ping) ) {
+ $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) );
+ return;
+ }
+
+ if ( empty($post->post_excerpt) ) {
+ /** This filter is documented in wp-includes/post-template.php */
+ $excerpt = apply_filters( 'the_content', $post->post_content, $post->ID );
+ } else {
+ /** This filter is documented in wp-includes/post-template.php */
+ $excerpt = apply_filters( 'the_excerpt', $post->post_excerpt );
+ }
+
+ $excerpt = str_replace(']]>', ']]>', $excerpt);
+ $excerpt = wp_html_excerpt($excerpt, 252, '…');
+
+ /** This filter is documented in wp-includes/post-template.php */
+ $post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
+ $post_title = strip_tags($post_title);
+
+ if ( $to_ping ) {
+ foreach ( (array) $to_ping as $tb_ping ) {
+ $tb_ping = trim($tb_ping);
+ if ( !in_array($tb_ping, $pinged) ) {
+ trackback($tb_ping, $post_title, $excerpt, $post_id);
+ $pinged[] = $tb_ping;
+ } else {
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $tb_ping, $post_id) );
+ }
+ }
+ }
+}
+
+/**
+ * Sends pings to all of the ping site services.
+ *
+ * @since 1.2.0
+ *
+ * @param int $post_id Post ID.
+ * @return int Same as Post ID from parameter
+ */
+function generic_ping( $post_id = 0 ) {
+ $services = get_option('ping_sites');
+
+ $services = explode("\n", $services);
+ foreach ( (array) $services as $service ) {
+ $service = trim($service);
+ if ( '' != $service )
+ weblog_ping($service);
+ }
+
+ return $post_id;
+}
+
+/**
+ * Pings back the links found in a post.
+ *
+ * @since 0.71
+ *
+ * @global string $wp_version
+ *
+ * @param string $content Post content to check for links.
+ * @param int $post_ID Post ID.
+ */
+function pingback($content, $post_ID) {
+ global $wp_version;
+ include_once(ABSPATH . WPINC . '/class-IXR.php');
+ include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
+
+ // original code by Mort (http://mort.mine.nu:8080)
+ $post_links = array();
+
+ $pung = get_pung($post_ID);
+
+ // Step 1
+ // Parsing the post, external links (if any) are stored in the $post_links array
+ $post_links_temp = wp_extract_urls( $content );
+
+ // Step 2.
+ // Walking thru the links array
+ // first we get rid of links pointing to sites, not to specific files
+ // Example:
+ // http://dummy-weblog.org
+ // http://dummy-weblog.org/
+ // http://dummy-weblog.org/post.php
+ // We don't wanna ping first and second types, even if they have a valid <link/>
+
+ foreach ( (array) $post_links_temp as $link_test ) :
+ if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
+ && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
+ if ( $test = @parse_url($link_test) ) {
+ if ( isset($test['query']) )
+ $post_links[] = $link_test;
+ elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
+ $post_links[] = $link_test;
+ }
+ endif;
+ endforeach;
+
+ $post_links = array_unique( $post_links );
+ /**
+ * Fires just before pinging back links found in a post.
+ *
+ * @since 2.0.0
+ *
+ * @param array &$post_links An array of post links to be checked, passed by reference.
+ * @param array &$pung Whether a link has already been pinged, passed by reference.
+ * @param int $post_ID The post ID.
+ */
+ do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post_ID ) );
+
+ foreach ( (array) $post_links as $pagelinkedto ) {
+ $pingback_server_url = discover_pingback_server_uri( $pagelinkedto );
+
+ if ( $pingback_server_url ) {
+ @ set_time_limit( 60 );
+ // Now, the RPC call
+ $pagelinkedfrom = get_permalink($post_ID);
+
+ // using a timeout of 3 seconds should be enough to cover slow servers
+ $client = new WP_HTTP_IXR_Client($pingback_server_url);
+ $client->timeout = 3;
+ /**
+ * Filter the user agent sent when pinging-back a URL.
+ *
+ * @since 2.9.0
+ *
+ * @param string $concat_useragent The user agent concatenated with ' -- WordPress/'
+ * and the WordPress version.
+ * @param string $useragent The useragent.
+ * @param string $pingback_server_url The server URL being linked to.
+ * @param string $pagelinkedto URL of page linked to.
+ * @param string $pagelinkedfrom URL of page linked from.
+ */
+ $client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . $wp_version, $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom );
+ // when set to true, this outputs debug messages by itself
+ $client->debug = false;
+
+ if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered
+ add_ping( $post_ID, $pagelinkedto );
+ }
+ }
+}
+
+/**
+ * Check whether blog is public before returning sites.
+ *
+ * @since 2.1.0
+ *
+ * @param mixed $sites Will return if blog is public, will not return if not public.
+ * @return mixed Empty string if blog is not public, returns $sites, if site is public.
+ */
+function privacy_ping_filter($sites) {
+ if ( '0' != get_option('blog_public') )
+ return $sites;
+ else
+ return '';
+}
+
+/**
+ * Send a Trackback.
+ *
+ * Updates database when sending trackback to prevent duplicates.
+ *
+ * @since 0.71
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $trackback_url URL to send trackbacks.
+ * @param string $title Title of post.
+ * @param string $excerpt Excerpt of post.
+ * @param int $ID Post ID.
+ * @return int|false|void Database query from update.
+ */
+function trackback($trackback_url, $title, $excerpt, $ID) {
+ global $wpdb;
+
+ if ( empty($trackback_url) )
+ return;
+
+ $options = array();
+ $options['timeout'] = 4;
+ $options['body'] = array(
+ 'title' => $title,
+ 'url' => get_permalink($ID),
+ 'blog_name' => get_option('blogname'),
+ 'excerpt' => $excerpt
+ );
+
+ $response = wp_safe_remote_post( $trackback_url, $options );
+
+ if ( is_wp_error( $response ) )
+ return;
+
+ $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $ID) );
+ return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $ID) );
+}
+
+/**
+ * Send a pingback.
+ *
+ * @since 1.2.0
+ *
+ * @global string $wp_version
+ *
+ * @param string $server Host of blog to connect to.
+ * @param string $path Path to send the ping.
+ */
+function weblog_ping($server = '', $path = '') {
+ global $wp_version;
+ include_once(ABSPATH . WPINC . '/class-IXR.php');
+ include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
+
+ // using a timeout of 3 seconds should be enough to cover slow servers
+ $client = new WP_HTTP_IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
+ $client->timeout = 3;
+ $client->useragent .= ' -- WordPress/'.$wp_version;
+
+ // when set to true, this outputs debug messages by itself
+ $client->debug = false;
+ $home = trailingslashit( home_url() );
+ if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
+ $client->query('weblogUpdates.ping', get_option('blogname'), $home);
+}
+
+/**
+ * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI
+ *
+ * @since 3.5.1
+ * @see wp_http_validate_url()
+ *
+ * @param string $source_uri
+ * @return string
+ */
+function pingback_ping_source_uri( $source_uri ) {
+ return (string) wp_http_validate_url( $source_uri );
+}
+
+/**
+ * Default filter attached to xmlrpc_pingback_error.
+ *
+ * Returns a generic pingback error code unless the error code is 48,
+ * which reports that the pingback is already registered.
+ *
+ * @since 3.5.1
+ * @link http://www.hixie.ch/specs/pingback/pingback#TOC3
+ *
+ * @param IXR_Error $ixr_error
+ * @return IXR_Error
+ */
+function xmlrpc_pingback_error( $ixr_error ) {
+ if ( $ixr_error->code === 48 )
+ return $ixr_error;
+ return new IXR_Error( 0, '' );
+}
+
+//
+// Cache
+//
+
+/**
+ * Removes comment ID from the comment cache.
+ *
+ * @since 2.3.0
+ *
+ * @param int|array $ids Comment ID or array of comment IDs to remove from cache
+ */
+function clean_comment_cache($ids) {
+ foreach ( (array) $ids as $id )
+ wp_cache_delete($id, 'comment');
+
+ wp_cache_set( 'last_changed', microtime(), 'comment' );
+}
+
+/**
+ * Updates the comment cache of given comments.
+ *
+ * Will add the comments in $comments to the cache. If comment ID already exists
+ * in the comment cache then it will not be updated. The comment is added to the
+ * cache using the comment group with the key using the ID of the comments.
+ *
+ * @since 2.3.0
+ *
+ * @param array $comments Array of comment row objects
+ */
+function update_comment_cache($comments) {
+ foreach ( (array) $comments as $comment )
+ wp_cache_add($comment->comment_ID, $comment, 'comment');
+}
+
+//
+// Internal
+//
+
+/**
+ * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param WP_Post $posts Post data object.
+ * @param WP_Query $query Query object.
+ * @return array
+ */
+function _close_comments_for_old_posts( $posts, $query ) {
+ if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) )
+ return $posts;
+
+ /**
+ * Filter the list of post types to automatically close comments for.
+ *
+ * @since 3.2.0
+ *
+ * @param array $post_types An array of registered post types. Default array with 'post'.
+ */
+ $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
+ if ( ! in_array( $posts[0]->post_type, $post_types ) )
+ return $posts;
+
+ $days_old = (int) get_option( 'close_comments_days_old' );
+ if ( ! $days_old )
+ return $posts;
+
+ if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) {
+ $posts[0]->comment_status = 'closed';
+ $posts[0]->ping_status = 'closed';
+ }
+
+ return $posts;
+}
+
+/**
+ * Close comments on an old post. Hooked to comments_open and pings_open.
+ *
+ * @access private
+ * @since 2.7.0
+ *
+ * @param bool $open Comments open or closed
+ * @param int $post_id Post ID
+ * @return bool $open
+ */
+function _close_comments_for_old_post( $open, $post_id ) {
+ if ( ! $open )
+ return $open;
+
+ if ( !get_option('close_comments_for_old_posts') )
+ return $open;
+
+ $days_old = (int) get_option('close_comments_days_old');
+ if ( !$days_old )
+ return $open;
+
+ $post = get_post($post_id);
+
+ /** This filter is documented in wp-includes/comment.php */
+ $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
+ if ( ! in_array( $post->post_type, $post_types ) )
+ return $open;
+
+ if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) )
+ return false;
+
+ return $open;
+}
</ins></span></pre></div>
<a id="trunksrcwpincludescommentphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/comment.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/comment.php 2015-08-26 04:19:32 UTC (rev 33749)
+++ trunk/src/wp-includes/comment.php 2015-08-26 04:26:29 UTC (rev 33750)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -6,3187 +6,5 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @subpackage Comment
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/**
- * Check whether a comment passes internal checks to be allowed to add.
- *
- * If manual comment moderation is set in the administration, then all checks,
- * regardless of their type and whitelist, will fail and the function will
- * return false.
- *
- * If the number of links exceeds the amount in the administration, then the
- * check fails. If any of the parameter contents match the blacklist of words,
- * then the check fails.
- *
- * If the comment author was approved before, then the comment is automatically
- * whitelisted.
- *
- * If all checks pass, the function will return true.
- *
- * @since 1.2.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $author Comment author name.
- * @param string $email Comment author email.
- * @param string $url Comment author URL.
- * @param string $comment Content of the comment.
- * @param string $user_ip Comment author IP address.
- * @param string $user_agent Comment author User-Agent.
- * @param string $comment_type Comment type, either user-submitted comment,
- * trackback, or pingback.
- * @return bool If all checks pass, true, otherwise false.
- */
-function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $comment_type) {
- global $wpdb;
-
- // If manual moderation is enabled, skip all checks and return false.
- if ( 1 == get_option('comment_moderation') )
- return false;
-
- /** This filter is documented in wp-includes/comment-template.php */
- $comment = apply_filters( 'comment_text', $comment );
-
- // Check for the number of external links if a max allowed number is set.
- if ( $max_links = get_option( 'comment_max_links' ) ) {
- $num_links = preg_match_all( '/<a [^>]*href/i', $comment, $out );
-
- /**
- * Filter the maximum number of links allowed in a comment.
- *
- * @since 3.0.0
- *
- * @param int $num_links The number of links allowed.
- * @param string $url Comment author's URL. Included in allowed links total.
- */
- $num_links = apply_filters( 'comment_max_links_url', $num_links, $url );
-
- /*
- * If the number of links in the comment exceeds the allowed amount,
- * fail the check by returning false.
- */
- if ( $num_links >= $max_links )
- return false;
- }
-
- $mod_keys = trim(get_option('moderation_keys'));
-
- // If moderation 'keys' (keywords) are set, process them.
- if ( !empty($mod_keys) ) {
- $words = explode("\n", $mod_keys );
-
- foreach ( (array) $words as $word) {
- $word = trim($word);
-
- // Skip empty lines.
- if ( empty($word) )
- continue;
-
- /*
- * Do some escaping magic so that '#' (number of) characters in the spam
- * words don't break things:
- */
- $word = preg_quote($word, '#');
-
- /*
- * Check the comment fields for moderation keywords. If any are found,
- * fail the check for the given field by returning false.
- */
- $pattern = "#$word#i";
- if ( preg_match($pattern, $author) ) return false;
- if ( preg_match($pattern, $email) ) return false;
- if ( preg_match($pattern, $url) ) return false;
- if ( preg_match($pattern, $comment) ) return false;
- if ( preg_match($pattern, $user_ip) ) return false;
- if ( preg_match($pattern, $user_agent) ) return false;
- }
- }
-
- /*
- * Check if the option to approve comments by previously-approved authors is enabled.
- *
- * If it is enabled, check whether the comment author has a previously-approved comment,
- * as well as whether there are any moderation keywords (if set) present in the author
- * email address. If both checks pass, return true. Otherwise, return false.
- */
- if ( 1 == get_option('comment_whitelist')) {
- if ( 'trackback' != $comment_type && 'pingback' != $comment_type && $author != '' && $email != '' ) {
- // expected_slashed ($author, $email)
- $ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
- if ( ( 1 == $ok_to_comment ) &&
- ( empty($mod_keys) || false === strpos( $email, $mod_keys) ) )
- return true;
- else
- return false;
- } else {
- return false;
- }
- }
- return true;
-}
-
-/**
- * Retrieve the approved comments for post $post_id.
- *
- * @since 2.0.0
- * @since 4.1.0 Refactored to leverage {@see WP_Comment_Query} over a direct query.
- *
- * @param int $post_id The ID of the post.
- * @param array $args Optional. See {@see WP_Comment_Query::query()} for information
- * on accepted arguments.
- * @return int|array $comments The approved comments, or number of comments if `$count`
- * argument is true.
- */
-function get_approved_comments( $post_id, $args = array() ) {
- if ( ! $post_id ) {
- return array();
- }
-
- $defaults = array(
- 'status' => 1,
- 'post_id' => $post_id,
- 'order' => 'ASC',
- );
- $r = wp_parse_args( $args, $defaults );
-
- $query = new WP_Comment_Query;
- return $query->query( $r );
-}
-
-/**
- * Retrieves comment data given a comment ID or comment object.
- *
- * If an object is passed then the comment data will be cached and then returned
- * after being passed through a filter. If the comment is empty, then the global
- * comment variable will be used, if it is set.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- * @global object $comment
- *
- * @param object|string|int $comment Comment to retrieve.
- * @param string $output Optional. OBJECT or ARRAY_A or ARRAY_N constants.
- * @return object|array|null Depends on $output value.
- */
-function get_comment(&$comment, $output = OBJECT) {
- global $wpdb;
-
- if ( empty($comment) ) {
- if ( isset($GLOBALS['comment']) )
- $_comment = & $GLOBALS['comment'];
- else
- $_comment = null;
- } elseif ( is_object($comment) ) {
- wp_cache_add($comment->comment_ID, $comment, 'comment');
- $_comment = $comment;
- } else {
- if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
- $_comment = & $GLOBALS['comment'];
- } elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
- $_comment = $wpdb->get_row($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment));
- if ( ! $_comment )
- return null;
- wp_cache_add($_comment->comment_ID, $_comment, 'comment');
- }
- }
-
- /**
- * Fires after a comment is retrieved.
- *
- * @since 2.3.0
- *
- * @param mixed $_comment Comment data.
- */
- $_comment = apply_filters( 'get_comment', $_comment );
-
- if ( $output == OBJECT ) {
- return $_comment;
- } elseif ( $output == ARRAY_A ) {
- $__comment = get_object_vars($_comment);
- return $__comment;
- } elseif ( $output == ARRAY_N ) {
- $__comment = array_values(get_object_vars($_comment));
- return $__comment;
- } else {
- return $_comment;
- }
-}
-
-/**
- * Retrieve a list of comments.
- *
- * The comment list can be for the blog as a whole or for an individual post.
- *
- * @since 2.7.0
- *
- * @param string|array $args Optional. Array or string of arguments. See {@see WP_Comment_Query::parse_query()}
- * for information on accepted arguments. Default empty.
- * @return int|array List of comments or number of found comments if `$count` argument is true.
- */
-function get_comments( $args = '' ) {
- $query = new WP_Comment_Query;
- return $query->query( $args );
-}
-
-/**
- * WordPress Comment Query class.
- *
- * See WP_Comment_Query::__construct() for accepted arguments.
- *
- * @since 3.1.0
- */
-class WP_Comment_Query {
- /**
- * SQL for database query.
- *
- * @since 4.0.1
- * @access public
- * @var string
- */
- public $request;
-
- /**
- * Metadata query container
- *
- * @since 3.5.0
- * @access public
- * @var object WP_Meta_Query
- */
- public $meta_query = false;
-
- /**
- * Date query container
- *
- * @since 3.7.0
- * @access public
- * @var object WP_Date_Query
- */
- public $date_query = false;
-
- /**
- * Query vars set by the user.
- *
- * @since 3.1.0
- * @access public
- * @var array
- */
- public $query_vars;
-
- /**
- * Default values for query vars.
- *
- * @since 4.2.0
- * @access public
- * @var array
- */
- public $query_var_defaults;
-
- /**
- * List of comments located by the query.
- *
- * @since 4.0.0
- * @access public
- * @var array
- */
- public $comments;
-
- /**
- * Make private/protected methods readable for backwards compatibility.
- *
- * @since 4.0.0
- * @access public
- *
- * @param callable $name Method to call.
- * @param array $arguments Arguments to pass when calling.
- * @return mixed|false Return value of the callback, false otherwise.
- */
- public function __call( $name, $arguments ) {
- if ( 'get_search_sql' === $name ) {
- return call_user_func_array( array( $this, $name ), $arguments );
- }
- return false;
- }
-
- /**
- * Constructor.
- *
- * Sets up the comment query, based on the query vars passed.
- *
- * @since 4.2.0
- * @access public
- *
- * @param string|array $query {
- * Optional. Array or query string of comment query parameters. Default empty.
- *
- * @type string $author_email Comment author email address. Default empty.
- * @type array $author__in Array of author IDs to include comments for. Default empty.
- * @type array $author__not_in Array of author IDs to exclude comments for. Default empty.
- * @type array $comment__in Array of comment IDs to include. Default empty.
- * @type array $comment__not_in Array of comment IDs to exclude. Default empty.
- * @type bool $count Whether to return a comment count (true) or array of comment
- * objects (false). Default false.
- * @type array $date_query Date query clauses to limit comments by. See WP_Date_Query.
- * Default null.
- * @type string $fields Comment fields to return. Accepts 'ids' for comment IDs only or
- * empty for all fields. Default empty.
- * @type int $ID Currently unused.
- * @type array $include_unapproved Array of IDs or email addresses of users whose unapproved comments
- * will be returned by the query regardless of `$status`. Default empty.
- * @type int $karma Karma score to retrieve matching comments for. Default empty.
- * @type string $meta_key Include comments with a matching comment meta key. Default empty.
- * @type string $meta_value Include comments with a matching comment meta value. Requires
- * `$meta_key` to be set. Default empty.
- * @type array $meta_query Meta query clauses to limit retrieved comments by.
- * See WP_Meta_Query. Default empty.
- * @type int $number Maximum number of comments to retrieve. Default null (no limit).
- * @type int $offset Number of comments to offset the query. Used to build LIMIT clause.
- * Default 0.
- * @type string|array $orderby Comment status or array of statuses. To use 'meta_value' or
- * 'meta_value_num', `$meta_key` must also be defined. To sort by
- * a specific `$meta_query` clause, use that clause's array key.
- * Accepts 'comment_agent', 'comment_approved', 'comment_author',
- * 'comment_author_email', 'comment_author_IP',
- * 'comment_author_url', 'comment_content', 'comment_date',
- * 'comment_date_gmt', 'comment_ID', 'comment_karma',
- * 'comment_parent', 'comment_post_ID', 'comment_type', 'user_id',
- * 'meta_value', 'meta_value_num', the value of $meta_key, and the
- * array keys of `$meta_query`. Also accepts false, an empty array,
- * or 'none' to disable `ORDER BY` clause.
- * Default: 'comment_date_gmt'.
- * @type string $order How to order retrieved comments. Accepts 'ASC', 'DESC'.
- * Default: 'DESC'.
- * @type int $parent Parent ID of comment to retrieve children of. Default empty.
- * @type array $post_author__in Array of author IDs to retrieve comments for. Default empty.
- * @type array $post_author__not_in Array of author IDs *not* to retrieve comments for. Default empty.
- * @type int $post_ID Currently unused.
- * @type int $post_id Limit results to those affiliated with a given post ID. Default 0.
- * @type array $post__in Array of post IDs to include affiliated comments for. Default empty.
- * @type array $post__not_in Array of post IDs to exclude affiliated comments for. Default empty.
- * @type int $post_author Comment author ID to limit results by. Default empty.
- * @type string $post_status Post status to retrieve affiliated comments for. Default empty.
- * @type string $post_type Post type to retrieve affiliated comments for. Default empty.
- * @type string $post_name Post name to retrieve affiliated comments for. Default empty.
- * @type int $post_parent Post parent ID to retrieve affiliated comments for. Default empty.
- * @type string $search Search term(s) to retrieve matching comments for. Default empty.
- * @type string $status Comment status to limit results by. Accepts 'hold'
- * (`comment_status=0`), 'approve' (`comment_status=1`), 'all', or a
- * custom comment status. Default 'all'.
- * @type string|array $type Include comments of a given type, or array of types. Accepts
- * 'comment', 'pings' (includes 'pingback' and 'trackback'), or any
- * custom type string. Default empty.
- * @type array $type__in Include comments from a given array of comment types. Default empty.
- * @type array $type__not_in Exclude comments from a given array of comment types. Default empty.
- * @type int $user_id Include comments for a specific user ID. Default empty.
- * }
- */
- public function __construct( $query = '' ) {
- $this->query_var_defaults = array(
- 'author_email' => '',
- 'author__in' => '',
- 'author__not_in' => '',
- 'include_unapproved' => '',
- 'fields' => '',
- 'ID' => '',
- 'comment__in' => '',
- 'comment__not_in' => '',
- 'karma' => '',
- 'number' => '',
- 'offset' => '',
- 'orderby' => '',
- 'order' => 'DESC',
- 'parent' => '',
- 'post_author__in' => '',
- 'post_author__not_in' => '',
- 'post_ID' => '',
- 'post_id' => 0,
- 'post__in' => '',
- 'post__not_in' => '',
- 'post_author' => '',
- 'post_name' => '',
- 'post_parent' => '',
- 'post_status' => '',
- 'post_type' => '',
- 'status' => 'all',
- 'type' => '',
- 'type__in' => '',
- 'type__not_in' => '',
- 'user_id' => '',
- 'search' => '',
- 'count' => false,
- 'meta_key' => '',
- 'meta_value' => '',
- 'meta_query' => '',
- 'date_query' => null, // See WP_Date_Query
- );
-
- if ( ! empty( $query ) ) {
- $this->query( $query );
- }
- }
-
- /**
- * Parse arguments passed to the comment query with default query parameters.
- *
- * @since 4.2.0 Extracted from WP_Comment_Query::query().
- *
- * @access public
- *
- * @param string|array $query WP_Comment_Query arguments. See WP_Comment_Query::__construct()
- */
- public function parse_query( $query = '' ) {
- if ( empty( $query ) ) {
- $query = $this->query_vars;
- }
-
- $this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
- do_action_ref_array( 'parse_comment_query', array( &$this ) );
- }
-
- /**
- * Sets up the WordPress query for retrieving comments.
- *
- * @since 3.1.0
- * @since 4.1.0 Introduced 'comment__in', 'comment__not_in', 'post_author__in',
- * 'post_author__not_in', 'author__in', 'author__not_in', 'post__in',
- * 'post__not_in', 'include_unapproved', 'type__in', and 'type__not_in'
- * arguments to $query_vars.
- * @since 4.2.0 Moved parsing to WP_Comment_Query::parse_query().
- * @access public
- *
- * @param string|array $query Array or URL query string of parameters.
- * @return array|int List of comments, or number of comments when 'count' is passed as a query var.
- */
- public function query( $query ) {
- $this->query_vars = wp_parse_args( $query );
- return $this->get_comments();
- }
-
- /**
- * Get a list of comments matching the query vars.
- *
- * @since 4.2.0
- * @access public
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @return int|array The list of comments.
- */
- public function get_comments() {
- global $wpdb;
-
- $groupby = '';
-
- $this->parse_query();
-
- // Parse meta query
- $this->meta_query = new WP_Meta_Query();
- $this->meta_query->parse_query_vars( $this->query_vars );
-
- /**
- * Fires before comments are retrieved.
- *
- * @since 3.1.0
- *
- * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
- */
- do_action_ref_array( 'pre_get_comments', array( &$this ) );
-
- // Reparse query vars, in case they were modified in a 'pre_get_comments' callback.
- $this->meta_query->parse_query_vars( $this->query_vars );
- if ( ! empty( $this->meta_query->queries ) ) {
- $meta_query_clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
- }
-
- // $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
- $key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ) ) );
- $last_changed = wp_cache_get( 'last_changed', 'comment' );
- if ( ! $last_changed ) {
- $last_changed = microtime();
- wp_cache_set( 'last_changed', $last_changed, 'comment' );
- }
- $cache_key = "get_comments:$key:$last_changed";
-
- if ( $cache = wp_cache_get( $cache_key, 'comment' ) ) {
- $this->comments = $cache;
- return $this->comments;
- }
-
- $where = array();
-
- // Assemble clauses related to 'comment_approved'.
- $approved_clauses = array();
-
- // 'status' accepts an array or a comma-separated string.
- $status_clauses = array();
- $statuses = $this->query_vars['status'];
- if ( ! is_array( $statuses ) ) {
- $statuses = preg_split( '/[\s,]+/', $statuses );
- }
-
- // 'any' overrides other statuses.
- if ( ! in_array( 'any', $statuses ) ) {
- foreach ( $statuses as $status ) {
- switch ( $status ) {
- case 'hold' :
- $status_clauses[] = "comment_approved = '0'";
- break;
-
- case 'approve' :
- $status_clauses[] = "comment_approved = '1'";
- break;
-
- case 'all' :
- case '' :
- $status_clauses[] = "( comment_approved = '0' OR comment_approved = '1' )";
- break;
-
- default :
- $status_clauses[] = $wpdb->prepare( "comment_approved = %s", $status );
- break;
- }
- }
-
- if ( ! empty( $status_clauses ) ) {
- $approved_clauses[] = '( ' . implode( ' OR ', $status_clauses ) . ' )';
- }
- }
-
- // User IDs or emails whose unapproved comments are included, regardless of $status.
- if ( ! empty( $this->query_vars['include_unapproved'] ) ) {
- $include_unapproved = $this->query_vars['include_unapproved'];
-
- // Accepts arrays or comma-separated strings.
- if ( ! is_array( $include_unapproved ) ) {
- $include_unapproved = preg_split( '/[\s,]+/', $include_unapproved );
- }
-
- $unapproved_ids = $unapproved_emails = array();
- foreach ( $include_unapproved as $unapproved_identifier ) {
- // Numeric values are assumed to be user ids.
- if ( is_numeric( $unapproved_identifier ) ) {
- $approved_clauses[] = $wpdb->prepare( "( user_id = %d AND comment_approved = '0' )", $unapproved_identifier );
-
- // Otherwise we match against email addresses.
- } else {
- $approved_clauses[] = $wpdb->prepare( "( comment_author_email = %s AND comment_approved = '0' )", $unapproved_identifier );
- }
- }
- }
-
- // Collapse comment_approved clauses into a single OR-separated clause.
- if ( ! empty( $approved_clauses ) ) {
- if ( 1 === count( $approved_clauses ) ) {
- $where[] = $approved_clauses[0];
- } else {
- $where[] = '( ' . implode( ' OR ', $approved_clauses ) . ' )';
- }
- }
-
- $order = ( 'ASC' == strtoupper( $this->query_vars['order'] ) ) ? 'ASC' : 'DESC';
-
- // Disable ORDER BY with 'none', an empty array, or boolean false.
- if ( in_array( $this->query_vars['orderby'], array( 'none', array(), false ), true ) ) {
- $orderby = '';
- } elseif ( ! empty( $this->query_vars['orderby'] ) ) {
- $ordersby = is_array( $this->query_vars['orderby'] ) ?
- $this->query_vars['orderby'] :
- preg_split( '/[,\s]/', $this->query_vars['orderby'] );
-
- $orderby_array = array();
- $found_orderby_comment_ID = false;
- foreach ( $ordersby as $_key => $_value ) {
- if ( ! $_value ) {
- continue;
- }
-
- if ( is_int( $_key ) ) {
- $_orderby = $_value;
- $_order = $order;
- } else {
- $_orderby = $_key;
- $_order = $_value;
- }
-
- if ( ! $found_orderby_comment_ID && 'comment_ID' === $_orderby ) {
- $found_orderby_comment_ID = true;
- }
-
- $parsed = $this->parse_orderby( $_orderby );
-
- if ( ! $parsed ) {
- continue;
- }
-
- $orderby_array[] = $parsed . ' ' . $this->parse_order( $_order );
- }
-
- // If no valid clauses were found, order by comment_date_gmt.
- if ( empty( $orderby_array ) ) {
- $orderby_array[] = "$wpdb->comments.comment_date_gmt $order";
- }
-
- // To ensure determinate sorting, always include a comment_ID clause.
- if ( ! $found_orderby_comment_ID ) {
- $comment_ID_order = '';
-
- // Inherit order from comment_date or comment_date_gmt, if available.
- foreach ( $orderby_array as $orderby_clause ) {
- if ( preg_match( '/comment_date(?:_gmt)*\ (ASC|DESC)/', $orderby_clause, $match ) ) {
- $comment_ID_order = $match[1];
- break;
- }
- }
-
- // If no date-related order is available, use the date from the first available clause.
- if ( ! $comment_ID_order ) {
- foreach ( $orderby_array as $orderby_clause ) {
- if ( false !== strpos( 'ASC', $orderby_clause ) ) {
- $comment_ID_order = 'ASC';
- } else {
- $comment_ID_order = 'DESC';
- }
-
- break;
- }
- }
-
- // Default to DESC.
- if ( ! $comment_ID_order ) {
- $comment_ID_order = 'DESC';
- }
-
- $orderby_array[] = "$wpdb->comments.comment_ID $comment_ID_order";
- }
-
- $orderby = implode( ', ', $orderby_array );
- } else {
- $orderby = "$wpdb->comments.comment_date_gmt $order";
- }
-
- $number = absint( $this->query_vars['number'] );
- $offset = absint( $this->query_vars['offset'] );
-
- if ( ! empty( $number ) ) {
- if ( $offset ) {
- $limits = 'LIMIT ' . $offset . ',' . $number;
- } else {
- $limits = 'LIMIT ' . $number;
- }
- } else {
- $limits = '';
- }
-
- if ( $this->query_vars['count'] ) {
- $fields = 'COUNT(*)';
- } else {
- switch ( strtolower( $this->query_vars['fields'] ) ) {
- case 'ids':
- $fields = "$wpdb->comments.comment_ID";
- break;
- default:
- $fields = "*";
- break;
- }
- }
-
- $join = '';
-
- $post_id = absint( $this->query_vars['post_id'] );
- if ( ! empty( $post_id ) ) {
- $where[] = $wpdb->prepare( 'comment_post_ID = %d', $post_id );
- }
-
- // Parse comment IDs for an IN clause.
- if ( ! empty( $this->query_vars['comment__in'] ) ) {
- $where[] = "$wpdb->comments.comment_ID IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__in'] ) ) . ' )';
- }
-
- // Parse comment IDs for a NOT IN clause.
- if ( ! empty( $this->query_vars['comment__not_in'] ) ) {
- $where[] = "$wpdb->comments.comment_ID NOT IN ( " . implode( ',', wp_parse_id_list( $this->query_vars['comment__not_in'] ) ) . ' )';
- }
-
- // Parse comment post IDs for an IN clause.
- if ( ! empty( $this->query_vars['post__in'] ) ) {
- $where[] = 'comment_post_ID IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__in'] ) ) . ' )';
- }
-
- // Parse comment post IDs for a NOT IN clause.
- if ( ! empty( $this->query_vars['post__not_in'] ) ) {
- $where[] = 'comment_post_ID NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post__not_in'] ) ) . ' )';
- }
-
- if ( '' !== $this->query_vars['author_email'] ) {
- $where[] = $wpdb->prepare( 'comment_author_email = %s', $this->query_vars['author_email'] );
- }
-
- if ( '' !== $this->query_vars['karma'] ) {
- $where[] = $wpdb->prepare( 'comment_karma = %d', $this->query_vars['karma'] );
- }
-
- // Filtering by comment_type: 'type', 'type__in', 'type__not_in'.
- $raw_types = array(
- 'IN' => array_merge( (array) $this->query_vars['type'], (array) $this->query_vars['type__in'] ),
- 'NOT IN' => (array) $this->query_vars['type__not_in'],
- );
-
- $comment_types = array();
- foreach ( $raw_types as $operator => $_raw_types ) {
- $_raw_types = array_unique( $_raw_types );
-
- foreach ( $_raw_types as $type ) {
- switch ( $type ) {
- // An empty translates to 'all', for backward compatibility
- case '':
- case 'all' :
- break;
-
- case 'comment':
- case 'comments':
- $comment_types[ $operator ][] = "''";
- break;
-
- case 'pings':
- $comment_types[ $operator ][] = "'pingback'";
- $comment_types[ $operator ][] = "'trackback'";
- break;
-
- default:
- $comment_types[ $operator ][] = $wpdb->prepare( '%s', $type );
- break;
- }
- }
-
- if ( ! empty( $comment_types[ $operator ] ) ) {
- $types_sql = implode( ', ', $comment_types[ $operator ] );
- $where[] = "comment_type $operator ($types_sql)";
- }
- }
-
- if ( '' !== $this->query_vars['parent'] ) {
- $where[] = $wpdb->prepare( 'comment_parent = %d', $this->query_vars['parent'] );
- }
-
- if ( is_array( $this->query_vars['user_id'] ) ) {
- $where[] = 'user_id IN (' . implode( ',', array_map( 'absint', $this->query_vars['user_id'] ) ) . ')';
- } elseif ( '' !== $this->query_vars['user_id'] ) {
- $where[] = $wpdb->prepare( 'user_id = %d', $this->query_vars['user_id'] );
- }
-
- if ( '' !== $this->query_vars['search'] ) {
- $search_sql = $this->get_search_sql(
- $this->query_vars['search'],
- array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_content' )
- );
-
- // Strip leading 'AND'.
- $where[] = preg_replace( '/^\s*AND\s*/', '', $search_sql );
- }
-
- // If any post-related query vars are passed, join the posts table.
- $join_posts_table = false;
- $plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent', 'post_status', 'post_type' ) );
- $post_fields = array_filter( $plucked );
-
- if ( ! empty( $post_fields ) ) {
- $join_posts_table = true;
- foreach ( $post_fields as $field_name => $field_value ) {
- // $field_value may be an array.
- $esses = array_fill( 0, count( (array) $field_value ), '%s' );
- $where[] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ')', $field_value );
- }
- }
-
- // Comment author IDs for an IN clause.
- if ( ! empty( $this->query_vars['author__in'] ) ) {
- $where[] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )';
- }
-
- // Comment author IDs for a NOT IN clause.
- if ( ! empty( $this->query_vars['author__not_in'] ) ) {
- $where[] = 'user_id NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )';
- }
-
- // Post author IDs for an IN clause.
- if ( ! empty( $this->query_vars['post_author__in'] ) ) {
- $join_posts_table = true;
- $where[] = 'post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__in'] ) ) . ' )';
- }
-
- // Post author IDs for a NOT IN clause.
- if ( ! empty( $this->query_vars['post_author__not_in'] ) ) {
- $join_posts_table = true;
- $where[] = 'post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['post_author__not_in'] ) ) . ' )';
- }
-
- if ( $join_posts_table ) {
- $join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
- }
-
- if ( ! empty( $meta_query_clauses ) ) {
- $join .= $meta_query_clauses['join'];
-
- // Strip leading 'AND'.
- $where[] = preg_replace( '/^\s*AND\s*/', '', $meta_query_clauses['where'] );
-
- if ( ! $this->query_vars['count'] ) {
- $groupby = "{$wpdb->comments}.comment_ID";
- }
- }
-
- $date_query = $this->query_vars['date_query'];
- if ( ! empty( $date_query ) && is_array( $date_query ) ) {
- $date_query_object = new WP_Date_Query( $date_query, 'comment_date' );
- $where[] = preg_replace( '/^\s*AND\s*/', '', $date_query_object->get_sql() );
- }
-
- $where = implode( ' AND ', $where );
-
- $pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
- /**
- * Filter the comment query clauses.
- *
- * @since 3.1.0
- *
- * @param array $pieces A compacted array of comment query clauses.
- * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
- */
- $clauses = apply_filters_ref_array( 'comments_clauses', array( compact( $pieces ), &$this ) );
-
- $fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
- $join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
- $where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
- $orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
- $limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
- $groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
-
- if ( $where ) {
- $where = 'WHERE ' . $where;
- }
-
- if ( $groupby ) {
- $groupby = 'GROUP BY ' . $groupby;
- }
-
- if ( $orderby ) {
- $orderby = "ORDER BY $orderby";
- }
-
- $this->request = "SELECT $fields FROM $wpdb->comments $join $where $groupby $orderby $limits";
-
- if ( $this->query_vars['count'] ) {
- return $wpdb->get_var( $this->request );
- }
-
- if ( 'ids' == $this->query_vars['fields'] ) {
- $this->comments = $wpdb->get_col( $this->request );
- return array_map( 'intval', $this->comments );
- }
-
- $results = $wpdb->get_results( $this->request );
- /**
- * Filter the comment query results.
- *
- * @since 3.1.0
- *
- * @param array $results An array of comments.
- * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
- */
- $comments = apply_filters_ref_array( 'the_comments', array( $results, &$this ) );
-
- wp_cache_add( $cache_key, $comments, 'comment' );
- if ( '*' === $fields ) {
- update_comment_cache( $comments );
- }
-
- $this->comments = $comments;
- return $this->comments;
- }
-
- /**
- * Used internally to generate an SQL string for searching across multiple columns
- *
- * @since 3.1.0
- * @access protected
- *
- * @global wpdb $wpdb
- *
- * @param string $string
- * @param array $cols
- * @return string
- */
- protected function get_search_sql( $string, $cols ) {
- global $wpdb;
-
- $like = '%' . $wpdb->esc_like( $string ) . '%';
-
- $searches = array();
- foreach ( $cols as $col ) {
- $searches[] = $wpdb->prepare( "$col LIKE %s", $like );
- }
-
- return ' AND (' . implode(' OR ', $searches) . ')';
- }
-
- /**
- * Parse and sanitize 'orderby' keys passed to the comment query.
- *
- * @since 4.2.0
- * @access protected
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $orderby Alias for the field to order by.
- * @return string|false Value to used in the ORDER clause. False otherwise.
- */
- protected function parse_orderby( $orderby ) {
- global $wpdb;
-
- $allowed_keys = array(
- 'comment_agent',
- 'comment_approved',
- 'comment_author',
- 'comment_author_email',
- 'comment_author_IP',
- 'comment_author_url',
- 'comment_content',
- 'comment_date',
- 'comment_date_gmt',
- 'comment_ID',
- 'comment_karma',
- 'comment_parent',
- 'comment_post_ID',
- 'comment_type',
- 'user_id',
- );
-
- if ( ! empty( $this->query_vars['meta_key'] ) ) {
- $allowed_keys[] = $this->query_vars['meta_key'];
- $allowed_keys[] = 'meta_value';
- $allowed_keys[] = 'meta_value_num';
- }
-
- $meta_query_clauses = $this->meta_query->get_clauses();
- if ( $meta_query_clauses ) {
- $allowed_keys = array_merge( $allowed_keys, array_keys( $meta_query_clauses ) );
- }
-
- $parsed = false;
- if ( $orderby == $this->query_vars['meta_key'] || $orderby == 'meta_value' ) {
- $parsed = "$wpdb->commentmeta.meta_value";
- } elseif ( $orderby == 'meta_value_num' ) {
- $parsed = "$wpdb->commentmeta.meta_value+0";
- } elseif ( in_array( $orderby, $allowed_keys ) ) {
-
- if ( isset( $meta_query_clauses[ $orderby ] ) ) {
- $meta_clause = $meta_query_clauses[ $orderby ];
- $parsed = sprintf( "CAST(%s.meta_value AS %s)", esc_sql( $meta_clause['alias'] ), esc_sql( $meta_clause['cast'] ) );
- } else {
- $parsed = "$wpdb->comments.$orderby";
- }
- }
-
- return $parsed;
- }
-
- /**
- * Parse an 'order' query variable and cast it to ASC or DESC as necessary.
- *
- * @since 4.2.0
- * @access protected
- *
- * @param string $order The 'order' query variable.
- * @return string The sanitized 'order' query variable.
- */
- protected function parse_order( $order ) {
- if ( ! is_string( $order ) || empty( $order ) ) {
- return 'DESC';
- }
-
- if ( 'ASC' === strtoupper( $order ) ) {
- return 'ASC';
- } else {
- return 'DESC';
- }
- }
-}
-
-/**
- * Retrieve all of the WordPress supported comment statuses.
- *
- * Comments have a limited set of valid status values, this provides the comment
- * status values and descriptions.
- *
- * @since 2.7.0
- *
- * @return array List of comment statuses.
- */
-function get_comment_statuses() {
- $status = array(
- 'hold' => __('Unapproved'),
- /* translators: comment status */
- 'approve' => _x('Approved', 'adjective'),
- /* translators: comment status */
- 'spam' => _x('Spam', 'adjective'),
- );
-
- return $status;
-}
-
-/**
- * Gets the default comment status for a post type.
- *
- * @since 4.3.0
- *
- * @param string $post_type Optional. Post type. Default 'post'.
- * @param string $comment_type Optional. Comment type. Default 'comment'.
- * @return string Expected return value is 'open' or 'closed'.
- */
-function get_default_comment_status( $post_type = 'post', $comment_type = 'comment' ) {
- switch ( $comment_type ) {
- case 'pingback' :
- case 'trackback' :
- $supports = 'trackbacks';
- $option = 'ping';
- break;
- default :
- $supports = 'comments';
- $option = 'comment';
- }
-
- // Set the status.
- if ( 'page' === $post_type ) {
- $status = 'closed';
- } elseif ( post_type_supports( $post_type, $supports ) ) {
- $status = get_option( "default_{$option}_status" );
- } else {
- $status = 'closed';
- }
-
- /**
- * Filter the default comment status for the given post type.
- *
- * @since 4.3.0
- *
- * @param string $status Default status for the given post type,
- * either 'open' or 'closed'.
- * @param string $post_type Post type. Default is `post`.
- * @param string $comment_type Type of comment. Default is `comment`.
- */
- return apply_filters( 'get_default_comment_status' , $status, $post_type, $comment_type );
-}
-
-/**
- * The date the last comment was modified.
- *
- * @since 1.5.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- * @staticvar array $cache_lastcommentmodified
- *
- * @param string $timezone Which timezone to use in reference to 'gmt', 'blog',
- * or 'server' locations.
- * @return string Last comment modified date.
- */
-function get_lastcommentmodified($timezone = 'server') {
- global $wpdb;
- static $cache_lastcommentmodified = array();
-
- if ( isset($cache_lastcommentmodified[$timezone]) )
- return $cache_lastcommentmodified[$timezone];
-
- $add_seconds_server = date('Z');
-
- switch ( strtolower($timezone)) {
- case 'gmt':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- case 'blog':
- $lastcommentmodified = $wpdb->get_var("SELECT comment_date FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1");
- break;
- case 'server':
- $lastcommentmodified = $wpdb->get_var($wpdb->prepare("SELECT DATE_ADD(comment_date_gmt, INTERVAL %s SECOND) FROM $wpdb->comments WHERE comment_approved = '1' ORDER BY comment_date_gmt DESC LIMIT 1", $add_seconds_server));
- break;
- }
-
- $cache_lastcommentmodified[$timezone] = $lastcommentmodified;
-
- return $lastcommentmodified;
-}
-
-/**
- * The amount of comments in a post or total comments.
- *
- * A lot like {@link wp_count_comments()}, in that they both return comment
- * stats (albeit with different types). The {@link wp_count_comments()} actual
- * caches, but this function does not.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param int $post_id Optional. Comment amount in post if > 0, else total comments blog wide.
- * @return array The amount of spam, approved, awaiting moderation, and total comments.
- */
-function get_comment_count( $post_id = 0 ) {
- global $wpdb;
-
- $post_id = (int) $post_id;
-
- $where = '';
- if ( $post_id > 0 ) {
- $where = $wpdb->prepare("WHERE comment_post_ID = %d", $post_id);
- }
-
- $totals = (array) $wpdb->get_results("
- SELECT comment_approved, COUNT( * ) AS total
- FROM {$wpdb->comments}
- {$where}
- GROUP BY comment_approved
- ", ARRAY_A);
-
- $comment_count = array(
- "approved" => 0,
- "awaiting_moderation" => 0,
- "spam" => 0,
- "total_comments" => 0
- );
-
- foreach ( $totals as $row ) {
- switch ( $row['comment_approved'] ) {
- case 'spam':
- $comment_count['spam'] = $row['total'];
- $comment_count["total_comments"] += $row['total'];
- break;
- case 1:
- $comment_count['approved'] = $row['total'];
- $comment_count['total_comments'] += $row['total'];
- break;
- case 0:
- $comment_count['awaiting_moderation'] = $row['total'];
- $comment_count['total_comments'] += $row['total'];
- break;
- default:
- break;
- }
- }
-
- return $comment_count;
-}
-
-//
-// Comment meta functions
-//
-
-/**
- * Add meta data field to a comment.
- *
- * @since 2.9.0
- * @link https://codex.wordpress.org/Function_Reference/add_comment_meta
- *
- * @param int $comment_id Comment ID.
- * @param string $meta_key Metadata name.
- * @param mixed $meta_value Metadata value.
- * @param bool $unique Optional, default is false. Whether the same key should not be added.
- * @return int|bool Meta ID on success, false on failure.
- */
-function add_comment_meta($comment_id, $meta_key, $meta_value, $unique = false) {
- return add_metadata('comment', $comment_id, $meta_key, $meta_value, $unique);
-}
-
-/**
- * Remove metadata matching criteria from a comment.
- *
- * You can match based on the key, or key and value. Removing based on key and
- * value, will keep from removing duplicate metadata with the same key. It also
- * allows removing all metadata matching key, if needed.
- *
- * @since 2.9.0
- * @link https://codex.wordpress.org/Function_Reference/delete_comment_meta
- *
- * @param int $comment_id comment ID
- * @param string $meta_key Metadata name.
- * @param mixed $meta_value Optional. Metadata value.
- * @return bool True on success, false on failure.
- */
-function delete_comment_meta($comment_id, $meta_key, $meta_value = '') {
- return delete_metadata('comment', $comment_id, $meta_key, $meta_value);
-}
-
-/**
- * Retrieve comment meta field for a comment.
- *
- * @since 2.9.0
- * @link https://codex.wordpress.org/Function_Reference/get_comment_meta
- *
- * @param int $comment_id Comment ID.
- * @param string $key Optional. The meta key to retrieve. By default, returns data for all keys.
- * @param bool $single Whether to return a single value.
- * @return mixed Will be an array if $single is false. Will be value of meta data field if $single
- * is true.
- */
-function get_comment_meta($comment_id, $key = '', $single = false) {
- return get_metadata('comment', $comment_id, $key, $single);
-}
-
-/**
- * Update comment meta field based on comment ID.
- *
- * Use the $prev_value parameter to differentiate between meta fields with the
- * same key and comment ID.
- *
- * If the meta field for the comment does not exist, it will be added.
- *
- * @since 2.9.0
- * @link https://codex.wordpress.org/Function_Reference/update_comment_meta
- *
- * @param int $comment_id Comment ID.
- * @param string $meta_key Metadata key.
- * @param mixed $meta_value Metadata value.
- * @param mixed $prev_value Optional. Previous value to check before removing.
- * @return int|bool Meta ID if the key didn't exist, true on successful update, false on failure.
- */
-function update_comment_meta($comment_id, $meta_key, $meta_value, $prev_value = '') {
- return update_metadata('comment', $comment_id, $meta_key, $meta_value, $prev_value);
-}
-
-/**
- * Sets the cookies used to store an unauthenticated commentator's identity. Typically used
- * to recall previous comments by this commentator that are still held in moderation.
- *
- * @param object $comment Comment object.
- * @param object $user Comment author's object.
- *
- * @since 3.4.0
- */
-function wp_set_comment_cookies($comment, $user) {
- if ( $user->exists() )
- return;
-
- /**
- * Filter the lifetime of the comment cookie in seconds.
- *
- * @since 2.8.0
- *
- * @param int $seconds Comment cookie lifetime. Default 30000000.
- */
- $comment_cookie_lifetime = apply_filters( 'comment_cookie_lifetime', 30000000 );
- $secure = ( 'https' === parse_url( home_url(), PHP_URL_SCHEME ) );
- setcookie( 'comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
- setcookie( 'comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
- setcookie( 'comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN, $secure );
-}
-
-/**
- * Sanitizes the cookies sent to the user already.
- *
- * Will only do anything if the cookies have already been created for the user.
- * Mostly used after cookies had been sent to use elsewhere.
- *
- * @since 2.0.4
- */
-function sanitize_comment_cookies() {
- if ( isset( $_COOKIE['comment_author_' . COOKIEHASH] ) ) {
- /**
- * Filter the comment author's name cookie before it is set.
- *
- * When this filter hook is evaluated in wp_filter_comment(),
- * the comment author's name string is passed.
- *
- * @since 1.5.0
- *
- * @param string $author_cookie The comment author name cookie.
- */
- $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE['comment_author_' . COOKIEHASH] );
- $comment_author = wp_unslash($comment_author);
- $comment_author = esc_attr($comment_author);
- $_COOKIE['comment_author_' . COOKIEHASH] = $comment_author;
- }
-
- if ( isset( $_COOKIE['comment_author_email_' . COOKIEHASH] ) ) {
- /**
- * Filter the comment author's email cookie before it is set.
- *
- * When this filter hook is evaluated in wp_filter_comment(),
- * the comment author's email string is passed.
- *
- * @since 1.5.0
- *
- * @param string $author_email_cookie The comment author email cookie.
- */
- $comment_author_email = apply_filters( 'pre_comment_author_email', $_COOKIE['comment_author_email_' . COOKIEHASH] );
- $comment_author_email = wp_unslash($comment_author_email);
- $comment_author_email = esc_attr($comment_author_email);
- $_COOKIE['comment_author_email_'.COOKIEHASH] = $comment_author_email;
- }
-
- if ( isset( $_COOKIE['comment_author_url_' . COOKIEHASH] ) ) {
- /**
- * Filter the comment author's URL cookie before it is set.
- *
- * When this filter hook is evaluated in wp_filter_comment(),
- * the comment author's URL string is passed.
- *
- * @since 1.5.0
- *
- * @param string $author_url_cookie The comment author URL cookie.
- */
- $comment_author_url = apply_filters( 'pre_comment_author_url', $_COOKIE['comment_author_url_' . COOKIEHASH] );
- $comment_author_url = wp_unslash($comment_author_url);
- $_COOKIE['comment_author_url_'.COOKIEHASH] = $comment_author_url;
- }
-}
-
-/**
- * Validates whether this comment is allowed to be made.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param array $commentdata Contains information on the comment
- * @return int|string Signifies the approval status (0|1|'spam')
- */
-function wp_allow_comment( $commentdata ) {
- global $wpdb;
-
- // Simple duplicate check
- // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content)
- $dupe = $wpdb->prepare(
- "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ",
- wp_unslash( $commentdata['comment_post_ID'] ),
- wp_unslash( $commentdata['comment_parent'] ),
- wp_unslash( $commentdata['comment_author'] )
- );
- if ( $commentdata['comment_author_email'] ) {
- $dupe .= $wpdb->prepare(
- "OR comment_author_email = %s ",
- wp_unslash( $commentdata['comment_author_email'] )
- );
- }
- $dupe .= $wpdb->prepare(
- ") AND comment_content = %s LIMIT 1",
- wp_unslash( $commentdata['comment_content'] )
- );
- if ( $wpdb->get_var( $dupe ) ) {
- /**
- * Fires immediately after a duplicate comment is detected.
- *
- * @since 3.0.0
- *
- * @param array $commentdata Comment data.
- */
- do_action( 'comment_duplicate_trigger', $commentdata );
- if ( defined( 'DOING_AJAX' ) ) {
- die( __('Duplicate comment detected; it looks as though you’ve already said that!') );
- }
- wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 );
- }
-
- /**
- * Fires immediately before a comment is marked approved.
- *
- * Allows checking for comment flooding.
- *
- * @since 2.3.0
- *
- * @param string $comment_author_IP Comment author's IP address.
- * @param string $comment_author_email Comment author's email.
- * @param string $comment_date_gmt GMT date the comment was posted.
- */
- do_action(
- 'check_comment_flood',
- $commentdata['comment_author_IP'],
- $commentdata['comment_author_email'],
- $commentdata['comment_date_gmt']
- );
-
- if ( ! empty( $commentdata['user_id'] ) ) {
- $user = get_userdata( $commentdata['user_id'] );
- $post_author = $wpdb->get_var( $wpdb->prepare(
- "SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1",
- $commentdata['comment_post_ID']
- ) );
- }
-
- if ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) {
- // The author and the admins get respect.
- $approved = 1;
- } else {
- // Everyone else's comments will be checked.
- if ( check_comment(
- $commentdata['comment_author'],
- $commentdata['comment_author_email'],
- $commentdata['comment_author_url'],
- $commentdata['comment_content'],
- $commentdata['comment_author_IP'],
- $commentdata['comment_agent'],
- $commentdata['comment_type']
- ) ) {
- $approved = 1;
- } else {
- $approved = 0;
- }
-
- if ( wp_blacklist_check(
- $commentdata['comment_author'],
- $commentdata['comment_author_email'],
- $commentdata['comment_author_url'],
- $commentdata['comment_content'],
- $commentdata['comment_author_IP'],
- $commentdata['comment_agent']
- ) ) {
- $approved = 'spam';
- }
- }
-
- /**
- * Filter a comment's approval status before it is set.
- *
- * @since 2.1.0
- *
- * @param bool|string $approved The approval status. Accepts 1, 0, or 'spam'.
- * @param array $commentdata Comment data.
- */
- $approved = apply_filters( 'pre_comment_approved', $approved, $commentdata );
- return $approved;
-}
-
-/**
- * Check whether comment flooding is occurring.
- *
- * Won't run, if current user can manage options, so to not block
- * administrators.
- *
- * @since 2.3.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $ip Comment IP.
- * @param string $email Comment author email address.
- * @param string $date MySQL time string.
- */
-function check_comment_flood_db( $ip, $email, $date ) {
- global $wpdb;
- if ( current_user_can( 'manage_options' ) )
- return; // don't throttle admins
- $hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
- if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
- $time_lastcomment = mysql2date('U', $lasttime, false);
- $time_newcomment = mysql2date('U', $date, false);
- /**
- * Filter the comment flood status.
- *
- * @since 2.1.0
- *
- * @param bool $bool Whether a comment flood is occurring. Default false.
- * @param int $time_lastcomment Timestamp of when the last comment was posted.
- * @param int $time_newcomment Timestamp of when the new comment was posted.
- */
- $flood_die = apply_filters( 'comment_flood_filter', false, $time_lastcomment, $time_newcomment );
- if ( $flood_die ) {
- /**
- * Fires before the comment flood message is triggered.
- *
- * @since 1.5.0
- *
- * @param int $time_lastcomment Timestamp of when the last comment was posted.
- * @param int $time_newcomment Timestamp of when the new comment was posted.
- */
- do_action( 'comment_flood_trigger', $time_lastcomment, $time_newcomment );
-
- if ( defined('DOING_AJAX') )
- die( __('You are posting comments too quickly. Slow down.') );
-
- wp_die( __( 'You are posting comments too quickly. Slow down.' ), 429 );
- }
- }
-}
-
-/**
- * Separates an array of comments into an array keyed by comment_type.
- *
- * @since 2.7.0
- *
- * @param array $comments Array of comments
- * @return array Array of comments keyed by comment_type.
- */
-function separate_comments(&$comments) {
- $comments_by_type = array('comment' => array(), 'trackback' => array(), 'pingback' => array(), 'pings' => array());
- $count = count($comments);
- for ( $i = 0; $i < $count; $i++ ) {
- $type = $comments[$i]->comment_type;
- if ( empty($type) )
- $type = 'comment';
- $comments_by_type[$type][] = &$comments[$i];
- if ( 'trackback' == $type || 'pingback' == $type )
- $comments_by_type['pings'][] = &$comments[$i];
- }
-
- return $comments_by_type;
-}
-
-/**
- * Calculate the total number of comment pages.
- *
- * @since 2.7.0
- *
- * @uses Walker_Comment
- *
- * @global WP_Query $wp_query
- *
- * @param array $comments Optional array of comment objects. Defaults to $wp_query->comments
- * @param int $per_page Optional comments per page.
- * @param bool $threaded Optional control over flat or threaded comments.
- * @return int Number of comment pages.
- */
-function get_comment_pages_count( $comments = null, $per_page = null, $threaded = null ) {
- global $wp_query;
-
- if ( null === $comments && null === $per_page && null === $threaded && !empty($wp_query->max_num_comment_pages) )
- return $wp_query->max_num_comment_pages;
-
- if ( ( ! $comments || ! is_array( $comments ) ) && ! empty( $wp_query->comments ) )
- $comments = $wp_query->comments;
-
- if ( empty($comments) )
- return 0;
-
- if ( ! get_option( 'page_comments' ) )
- return 1;
-
- if ( !isset($per_page) )
- $per_page = (int) get_query_var('comments_per_page');
- if ( 0 === $per_page )
- $per_page = (int) get_option('comments_per_page');
- if ( 0 === $per_page )
- return 1;
-
- if ( !isset($threaded) )
- $threaded = get_option('thread_comments');
-
- if ( $threaded ) {
- $walker = new Walker_Comment;
- $count = ceil( $walker->get_number_of_root_elements( $comments ) / $per_page );
- } else {
- $count = ceil( count( $comments ) / $per_page );
- }
-
- return $count;
-}
-
-/**
- * Calculate what page number a comment will appear on for comment paging.
- *
- * @since 2.7.0
- *
- * @global wpdb $wpdb
- *
- * @param int $comment_ID Comment ID.
- * @param array $args Optional args.
- * @return int|null Comment page number or null on error.
- */
-function get_page_of_comment( $comment_ID, $args = array() ) {
- global $wpdb;
-
- if ( !$comment = get_comment( $comment_ID ) )
- return;
-
- $defaults = array( 'type' => 'all', 'page' => '', 'per_page' => '', 'max_depth' => '' );
- $args = wp_parse_args( $args, $defaults );
-
- if ( '' === $args['per_page'] && get_option('page_comments') )
- $args['per_page'] = get_query_var('comments_per_page');
- if ( empty($args['per_page']) ) {
- $args['per_page'] = 0;
- $args['page'] = 0;
- }
- if ( $args['per_page'] < 1 )
- return 1;
-
- if ( '' === $args['max_depth'] ) {
- if ( get_option('thread_comments') )
- $args['max_depth'] = get_option('thread_comments_depth');
- else
- $args['max_depth'] = -1;
- }
-
- // Find this comment's top level parent if threading is enabled
- if ( $args['max_depth'] > 1 && 0 != $comment->comment_parent )
- return get_page_of_comment( $comment->comment_parent, $args );
-
- $allowedtypes = array(
- 'comment' => '',
- 'pingback' => 'pingback',
- 'trackback' => 'trackback',
- );
-
- $comtypewhere = ( 'all' != $args['type'] && isset($allowedtypes[$args['type']]) ) ? " AND comment_type = '" . $allowedtypes[$args['type']] . "'" : '';
-
- // Count comments older than this one
- $oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_approved = '1' AND comment_date_gmt < '%s'" . $comtypewhere, $comment->comment_post_ID, $comment->comment_date_gmt ) );
-
- // No older comments? Then it's page #1.
- if ( 0 == $oldercoms )
- return 1;
-
- // Divide comments older than this one by comments per page to get this comment's page number
- return ceil( ( $oldercoms + 1 ) / $args['per_page'] );
-}
-
-/**
- * Does comment contain blacklisted characters or words.
- *
- * @since 1.5.0
- *
- * @param string $author The author of the comment
- * @param string $email The email of the comment
- * @param string $url The url used in the comment
- * @param string $comment The comment content
- * @param string $user_ip The comment author IP address
- * @param string $user_agent The author's browser user agent
- * @return bool True if comment contains blacklisted content, false if comment does not
- */
-function wp_blacklist_check($author, $email, $url, $comment, $user_ip, $user_agent) {
- /**
- * Fires before the comment is tested for blacklisted characters or words.
- *
- * @since 1.5.0
- *
- * @param string $author Comment author.
- * @param string $email Comment author's email.
- * @param string $url Comment author's URL.
- * @param string $comment Comment content.
- * @param string $user_ip Comment author's IP address.
- * @param string $user_agent Comment author's browser user agent.
- */
- do_action( 'wp_blacklist_check', $author, $email, $url, $comment, $user_ip, $user_agent );
-
- $mod_keys = trim( get_option('blacklist_keys') );
- if ( '' == $mod_keys )
- return false; // If moderation keys are empty
- $words = explode("\n", $mod_keys );
-
- foreach ( (array) $words as $word ) {
- $word = trim($word);
-
- // Skip empty lines
- if ( empty($word) ) { continue; }
-
- // Do some escaping magic so that '#' chars in the
- // spam words don't break things:
- $word = preg_quote($word, '#');
-
- $pattern = "#$word#i";
- if (
- preg_match($pattern, $author)
- || preg_match($pattern, $email)
- || preg_match($pattern, $url)
- || preg_match($pattern, $comment)
- || preg_match($pattern, $user_ip)
- || preg_match($pattern, $user_agent)
- )
- return true;
- }
- return false;
-}
-
-/**
- * Retrieve total comments for blog or single post.
- *
- * The properties of the returned object contain the 'moderated', 'approved',
- * and spam comments for either the entire blog or single post. Those properties
- * contain the amount of comments that match the status. The 'total_comments'
- * property contains the integer of total comments.
- *
- * The comment stats are cached and then retrieved, if they already exist in the
- * cache.
- *
- * @since 2.5.0
- *
- * @global wpdb $wpdb
- *
- * @param int $post_id Optional. Post ID.
- * @return object|array Comment stats.
- */
-function wp_count_comments( $post_id = 0 ) {
- global $wpdb;
-
- $post_id = (int) $post_id;
-
- /**
- * Filter the comments count for a given post.
- *
- * @since 2.7.0
- *
- * @param array $count An empty array.
- * @param int $post_id The post ID.
- */
- $stats = apply_filters( 'wp_count_comments', array(), $post_id );
- if ( !empty($stats) )
- return $stats;
-
- $count = wp_cache_get("comments-{$post_id}", 'counts');
-
- if ( false !== $count )
- return $count;
-
- $where = '';
- if ( $post_id > 0 )
- $where = $wpdb->prepare( "WHERE comment_post_ID = %d", $post_id );
-
- $count = $wpdb->get_results( "SELECT comment_approved, COUNT( * ) AS num_comments FROM {$wpdb->comments} {$where} GROUP BY comment_approved", ARRAY_A );
-
- $total = 0;
- $approved = array('0' => 'moderated', '1' => 'approved', 'spam' => 'spam', 'trash' => 'trash', 'post-trashed' => 'post-trashed');
- foreach ( (array) $count as $row ) {
- // Don't count post-trashed toward totals
- if ( 'post-trashed' != $row['comment_approved'] && 'trash' != $row['comment_approved'] )
- $total += $row['num_comments'];
- if ( isset( $approved[$row['comment_approved']] ) )
- $stats[$approved[$row['comment_approved']]] = $row['num_comments'];
- }
-
- $stats['total_comments'] = $total;
- foreach ( $approved as $key ) {
- if ( empty($stats[$key]) )
- $stats[$key] = 0;
- }
-
- $stats = (object) $stats;
- wp_cache_set("comments-{$post_id}", $stats, 'counts');
-
- return $stats;
-}
-
-/**
- * Trashes or deletes a comment.
- *
- * The comment is moved to trash instead of permanently deleted unless trash is
- * disabled, item is already in the trash, or $force_delete is true.
- *
- * The post comment count will be updated if the comment was approved and has a
- * post ID available.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param int $comment_id Comment ID
- * @param bool $force_delete Whether to bypass trash and force deletion. Default is false.
- * @return bool True on success, false on failure.
- */
-function wp_delete_comment($comment_id, $force_delete = false) {
- global $wpdb;
- if (!$comment = get_comment($comment_id))
- return false;
-
- if ( !$force_delete && EMPTY_TRASH_DAYS && !in_array( wp_get_comment_status($comment_id), array( 'trash', 'spam' ) ) )
- return wp_trash_comment($comment_id);
-
- /**
- * Fires immediately before a comment is deleted from the database.
- *
- * @since 1.2.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'delete_comment', $comment_id );
-
- // Move children up a level.
- $children = $wpdb->get_col( $wpdb->prepare("SELECT comment_ID FROM $wpdb->comments WHERE comment_parent = %d", $comment_id) );
- if ( !empty($children) ) {
- $wpdb->update($wpdb->comments, array('comment_parent' => $comment->comment_parent), array('comment_parent' => $comment_id));
- clean_comment_cache($children);
- }
-
- // Delete metadata
- $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->commentmeta WHERE comment_id = %d", $comment_id ) );
- foreach ( $meta_ids as $mid )
- delete_metadata_by_mid( 'comment', $mid );
-
- if ( ! $wpdb->delete( $wpdb->comments, array( 'comment_ID' => $comment_id ) ) )
- return false;
-
- /**
- * Fires immediately after a comment is deleted from the database.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'deleted_comment', $comment_id );
-
- $post_id = $comment->comment_post_ID;
- if ( $post_id && $comment->comment_approved == 1 )
- wp_update_comment_count($post_id);
-
- clean_comment_cache($comment_id);
-
- /** This action is documented in wp-includes/comment.php */
- do_action( 'wp_set_comment_status', $comment_id, 'delete' );
-
- wp_transition_comment_status('delete', $comment->comment_approved, $comment);
- return true;
-}
-
-/**
- * Moves a comment to the Trash
- *
- * If trash is disabled, comment is permanently deleted.
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
-function wp_trash_comment($comment_id) {
- if ( !EMPTY_TRASH_DAYS )
- return wp_delete_comment($comment_id, true);
-
- if ( !$comment = get_comment($comment_id) )
- return false;
-
- /**
- * Fires immediately before a comment is sent to the Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'trash_comment', $comment_id );
-
- if ( wp_set_comment_status($comment_id, 'trash') ) {
- delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
- delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
- add_comment_meta( $comment_id, '_wp_trash_meta_status', $comment->comment_approved );
- add_comment_meta( $comment_id, '_wp_trash_meta_time', time() );
-
- /**
- * Fires immediately after a comment is sent to Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'trashed_comment', $comment_id );
- return true;
- }
-
- return false;
-}
-
-/**
- * Removes a comment from the Trash
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
-function wp_untrash_comment($comment_id) {
- if ( ! (int)$comment_id )
- return false;
-
- /**
- * Fires immediately before a comment is restored from the Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'untrash_comment', $comment_id );
-
- $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
- if ( empty($status) )
- $status = '0';
-
- if ( wp_set_comment_status($comment_id, $status) ) {
- delete_comment_meta($comment_id, '_wp_trash_meta_time');
- delete_comment_meta($comment_id, '_wp_trash_meta_status');
- /**
- * Fires immediately after a comment is restored from the Trash.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'untrashed_comment', $comment_id );
- return true;
- }
-
- return false;
-}
-
-/**
- * Marks a comment as Spam
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
-function wp_spam_comment($comment_id) {
- if ( !$comment = get_comment($comment_id) )
- return false;
-
- /**
- * Fires immediately before a comment is marked as Spam.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'spam_comment', $comment_id );
-
- if ( wp_set_comment_status($comment_id, 'spam') ) {
- delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
- delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
- add_comment_meta( $comment_id, '_wp_trash_meta_status', $comment->comment_approved );
- add_comment_meta( $comment_id, '_wp_trash_meta_time', time() );
- /**
- * Fires immediately after a comment is marked as Spam.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'spammed_comment', $comment_id );
- return true;
- }
-
- return false;
-}
-
-/**
- * Removes a comment from the Spam
- *
- * @since 2.9.0
- *
- * @param int $comment_id Comment ID.
- * @return bool True on success, false on failure.
- */
-function wp_unspam_comment($comment_id) {
- if ( ! (int)$comment_id )
- return false;
-
- /**
- * Fires immediately before a comment is unmarked as Spam.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'unspam_comment', $comment_id );
-
- $status = (string) get_comment_meta($comment_id, '_wp_trash_meta_status', true);
- if ( empty($status) )
- $status = '0';
-
- if ( wp_set_comment_status($comment_id, $status) ) {
- delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
- delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
- /**
- * Fires immediately after a comment is unmarked as Spam.
- *
- * @since 2.9.0
- *
- * @param int $comment_id The comment ID.
- */
- do_action( 'unspammed_comment', $comment_id );
- return true;
- }
-
- return false;
-}
-
-/**
- * The status of a comment by ID.
- *
- * @since 1.0.0
- *
- * @param int $comment_id Comment ID
- * @return false|string Status might be 'trash', 'approved', 'unapproved', 'spam'. False on failure.
- */
-function wp_get_comment_status($comment_id) {
- $comment = get_comment($comment_id);
- if ( !$comment )
- return false;
-
- $approved = $comment->comment_approved;
-
- if ( $approved == null )
- return false;
- elseif ( $approved == '1' )
- return 'approved';
- elseif ( $approved == '0' )
- return 'unapproved';
- elseif ( $approved == 'spam' )
- return 'spam';
- elseif ( $approved == 'trash' )
- return 'trash';
- else
- return false;
-}
-
-/**
- * Call hooks for when a comment status transition occurs.
- *
- * Calls hooks for comment status transitions. If the new comment status is not the same
- * as the previous comment status, then two hooks will be ran, the first is
- * 'transition_comment_status' with new status, old status, and comment data. The
- * next action called is 'comment_OLDSTATUS_to_NEWSTATUS' the NEWSTATUS is the
- * $new_status parameter and the OLDSTATUS is $old_status parameter; it has the
- * comment data.
- *
- * The final action will run whether or not the comment statuses are the same. The
- * action is named 'comment_NEWSTATUS_COMMENTTYPE', NEWSTATUS is from the $new_status
- * parameter and COMMENTTYPE is comment_type comment data.
- *
- * @since 2.7.0
- *
- * @param string $new_status New comment status.
- * @param string $old_status Previous comment status.
- * @param object $comment Comment data.
- */
-function wp_transition_comment_status($new_status, $old_status, $comment) {
- /*
- * Translate raw statuses to human readable formats for the hooks.
- * This is not a complete list of comment status, it's only the ones
- * that need to be renamed
- */
- $comment_statuses = array(
- 0 => 'unapproved',
- 'hold' => 'unapproved', // wp_set_comment_status() uses "hold"
- 1 => 'approved',
- 'approve' => 'approved', // wp_set_comment_status() uses "approve"
- );
- if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
- if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
-
- // Call the hooks
- if ( $new_status != $old_status ) {
- /**
- * Fires when the comment status is in transition.
- *
- * @since 2.7.0
- *
- * @param int|string $new_status The new comment status.
- * @param int|string $old_status The old comment status.
- * @param object $comment The comment data.
- */
- do_action( 'transition_comment_status', $new_status, $old_status, $comment );
- /**
- * Fires when the comment status is in transition from one specific status to another.
- *
- * The dynamic portions of the hook name, `$old_status`, and `$new_status`,
- * refer to the old and new comment statuses, respectively.
- *
- * @since 2.7.0
- *
- * @param object $comment Comment object.
- */
- do_action( "comment_{$old_status}_to_{$new_status}", $comment );
- }
- /**
- * Fires when the status of a specific comment type is in transition.
- *
- * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`,
- * refer to the new comment status, and the type of comment, respectively.
- *
- * Typical comment types include an empty string (standard comment), 'pingback',
- * or 'trackback'.
- *
- * @since 2.7.0
- *
- * @param int $comment_ID The comment ID.
- * @param obj $comment Comment object.
- */
- do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
-}
-
-/**
- * Get current commenter's name, email, and URL.
- *
- * Expects cookies content to already be sanitized. User of this function might
- * wish to recheck the returned array for validity.
- *
- * @see sanitize_comment_cookies() Use to sanitize cookies
- *
- * @since 2.0.4
- *
- * @return array Comment author, email, url respectively.
- */
-function wp_get_current_commenter() {
- // Cookies should already be sanitized.
-
- $comment_author = '';
- if ( isset($_COOKIE['comment_author_'.COOKIEHASH]) )
- $comment_author = $_COOKIE['comment_author_'.COOKIEHASH];
-
- $comment_author_email = '';
- if ( isset($_COOKIE['comment_author_email_'.COOKIEHASH]) )
- $comment_author_email = $_COOKIE['comment_author_email_'.COOKIEHASH];
-
- $comment_author_url = '';
- if ( isset($_COOKIE['comment_author_url_'.COOKIEHASH]) )
- $comment_author_url = $_COOKIE['comment_author_url_'.COOKIEHASH];
-
- /**
- * Filter the current commenter's name, email, and URL.
- *
- * @since 3.1.0
- *
- * @param string $comment_author Comment author's name.
- * @param string $comment_author_email Comment author's email.
- * @param string $comment_author_url Comment author's URL.
- */
- return apply_filters( 'wp_get_current_commenter', compact('comment_author', 'comment_author_email', 'comment_author_url') );
-}
-
-/**
- * Inserts a comment into the database.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param array $commentdata {
- * Array of arguments for inserting a new comment.
- *
- * @type string $comment_agent The HTTP user agent of the `$comment_author` when
- * the comment was submitted. Default empty.
- * @type int|string $comment_approved Whether the comment has been approved. Default 1.
- * @type string $comment_author The name of the author of the comment. Default empty.
- * @type string $comment_author_email The email address of the `$comment_author`. Default empty.
- * @type string $comment_author_IP The IP address of the `$comment_author`. Default empty.
- * @type string $comment_author_url The URL address of the `$comment_author`. Default empty.
- * @type string $comment_content The content of the comment. Default empty.
- * @type string $comment_date The date the comment was submitted. To set the date
- * manually, `$comment_date_gmt` must also be specified.
- * Default is the current time.
- * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
- * Default is `$comment_date` in the site's GMT timezone.
- * @type int $comment_karma The karma of the comment. Default 0.
- * @type int $comment_parent ID of this comment's parent, if any. Default 0.
- * @type int $comment_post_ID ID of the post that relates to the comment, if any.
- * Default empty.
- * @type string $comment_type Comment type. Default empty.
- * @type int $user_id ID of the user who submitted the comment. Default 0.
- * }
- * @return int|false The new comment's ID on success, false on failure.
- */
-function wp_insert_comment( $commentdata ) {
- global $wpdb;
- $data = wp_unslash( $commentdata );
-
- $comment_author = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
- $comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
- $comment_author_url = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url'];
- $comment_author_IP = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP'];
-
- $comment_date = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date'];
- $comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];
-
- $comment_post_ID = ! isset( $data['comment_post_ID'] ) ? '' : $data['comment_post_ID'];
- $comment_content = ! isset( $data['comment_content'] ) ? '' : $data['comment_content'];
- $comment_karma = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma'];
- $comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved'];
- $comment_agent = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent'];
- $comment_type = ! isset( $data['comment_type'] ) ? '' : $data['comment_type'];
- $comment_parent = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent'];
-
- $user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];
-
- $compacted = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id' );
- if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
- return false;
- }
-
- $id = (int) $wpdb->insert_id;
-
- if ( $comment_approved == 1 ) {
- wp_update_comment_count( $comment_post_ID );
- }
- $comment = get_comment( $id );
-
- /**
- * Fires immediately after a comment is inserted into the database.
- *
- * @since 2.8.0
- *
- * @param int $id The comment ID.
- * @param obj $comment Comment object.
- */
- do_action( 'wp_insert_comment', $id, $comment );
-
- wp_cache_set( 'last_changed', microtime(), 'comment' );
-
- return $id;
-}
-
-/**
- * Filters and sanitizes comment data.
- *
- * Sets the comment data 'filtered' field to true when finished. This can be
- * checked as to whether the comment should be filtered and to keep from
- * filtering the same comment more than once.
- *
- * @since 2.0.0
- *
- * @param array $commentdata Contains information on the comment.
- * @return array Parsed comment information.
- */
-function wp_filter_comment($commentdata) {
- if ( isset( $commentdata['user_ID'] ) ) {
- /**
- * Filter the comment author's user id before it is set.
- *
- * The first time this filter is evaluated, 'user_ID' is checked
- * (for back-compat), followed by the standard 'user_id' value.
- *
- * @since 1.5.0
- *
- * @param int $user_ID The comment author's user ID.
- */
- $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_ID'] );
- } elseif ( isset( $commentdata['user_id'] ) ) {
- /** This filter is documented in wp-includes/comment.php */
- $commentdata['user_id'] = apply_filters( 'pre_user_id', $commentdata['user_id'] );
- }
-
- /**
- * Filter the comment author's browser user agent before it is set.
- *
- * @since 1.5.0
- *
- * @param int $comment_agent The comment author's browser user agent.
- */
- $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) );
- /** This filter is documented in wp-includes/comment.php */
- $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] );
- /**
- * Filter the comment content before it is set.
- *
- * @since 1.5.0
- *
- * @param int $comment_content The comment content.
- */
- $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] );
- /**
- * Filter the comment author's IP before it is set.
- *
- * @since 1.5.0
- *
- * @param int $comment_author_ip The comment author's IP.
- */
- $commentdata['comment_author_IP'] = apply_filters( 'pre_comment_user_ip', $commentdata['comment_author_IP'] );
- /** This filter is documented in wp-includes/comment.php */
- $commentdata['comment_author_url'] = apply_filters( 'pre_comment_author_url', $commentdata['comment_author_url'] );
- /** This filter is documented in wp-includes/comment.php */
- $commentdata['comment_author_email'] = apply_filters( 'pre_comment_author_email', $commentdata['comment_author_email'] );
- $commentdata['filtered'] = true;
- return $commentdata;
-}
-
-/**
- * Whether a comment should be blocked because of comment flood.
- *
- * @since 2.1.0
- *
- * @param bool $block Whether plugin has already blocked comment.
- * @param int $time_lastcomment Timestamp for last comment.
- * @param int $time_newcomment Timestamp for new comment.
- * @return bool Whether comment should be blocked.
- */
-function wp_throttle_comment_flood($block, $time_lastcomment, $time_newcomment) {
- if ( $block ) // a plugin has already blocked... we'll let that decision stand
- return $block;
- if ( ($time_newcomment - $time_lastcomment) < 15 )
- return true;
- return false;
-}
-
-/**
- * Adds a new comment to the database.
- *
- * Filters new comment to ensure that the fields are sanitized and valid before
- * inserting comment into database. Calls 'comment_post' action with comment ID
- * and whether comment is approved by WordPress. Also has 'preprocess_comment'
- * filter for processing the comment data before the function handles it.
- *
- * We use REMOTE_ADDR here directly. If you are behind a proxy, you should ensure
- * that it is properly set, such as in wp-config.php, for your environment.
- * See {@link https://core.trac.wordpress.org/ticket/9235}
- *
- * @since 1.5.0
- * @since 4.3.0 'comment_agent' and 'comment_author_IP' can be set via `$commentdata`.
- *
- * @see wp_insert_comment()
- *
- * @global wpdb $wpdb
- *
- * @param array $commentdata {
- * Comment data.
- *
- * @type string $comment_author The name of the comment author.
- * @type string $comment_author_email The comment author email address.
- * @type string $comment_author_url The comment author URL.
- * @type string $comment_content The content of the comment.
- * @type string $comment_date The date the comment was submitted. Default is the current time.
- * @type string $comment_date_gmt The date the comment was submitted in the GMT timezone.
- * Default is `$comment_date` in the GMT timezone.
- * @type int $comment_parent The ID of this comment's parent, if any. Default 0.
- * @type int $comment_post_ID The ID of the post that relates to the comment.
- * @type int $user_id The ID of the user who submitted the comment. Default 0.
- * @type int $user_ID Kept for backward-compatibility. Use `$user_id` instead.
- * @type string $comment_agent Comment author user agent. Default is the value of 'HTTP_USER_AGENT'
- * in the `$_SERVER` superglobal sent in the original request.
- * @type string $comment_author_IP Comment author IP address in IPv4 format. Default is the value of
- * 'REMOTE_ADDR' in the `$_SERVER` superglobal sent in the original request.
- * }
- * @return int|false The ID of the comment on success, false on failure.
- */
-function wp_new_comment( $commentdata ) {
- global $wpdb;
-
- if ( isset( $commentdata['user_ID'] ) ) {
- $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
- }
-
- $prefiltered_user_id = ( isset( $commentdata['user_id'] ) ) ? (int) $commentdata['user_id'] : 0;
-
- /**
- * Filter a comment's data before it is sanitized and inserted into the database.
- *
- * @since 1.5.0
- *
- * @param array $commentdata Comment data.
- */
- $commentdata = apply_filters( 'preprocess_comment', $commentdata );
-
- $commentdata['comment_post_ID'] = (int) $commentdata['comment_post_ID'];
- if ( isset( $commentdata['user_ID'] ) && $prefiltered_user_id !== (int) $commentdata['user_ID'] ) {
- $commentdata['user_id'] = $commentdata['user_ID'] = (int) $commentdata['user_ID'];
- } elseif ( isset( $commentdata['user_id'] ) ) {
- $commentdata['user_id'] = (int) $commentdata['user_id'];
- }
-
- $commentdata['comment_parent'] = isset($commentdata['comment_parent']) ? absint($commentdata['comment_parent']) : 0;
- $parent_status = ( 0 < $commentdata['comment_parent'] ) ? wp_get_comment_status($commentdata['comment_parent']) : '';
- $commentdata['comment_parent'] = ( 'approved' == $parent_status || 'unapproved' == $parent_status ) ? $commentdata['comment_parent'] : 0;
-
- if ( ! isset( $commentdata['comment_author_IP'] ) ) {
- $commentdata['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
- }
- $commentdata['comment_author_IP'] = preg_replace( '/[^0-9a-fA-F:., ]/', '', $commentdata['comment_author_IP'] );
-
- if ( ! isset( $commentdata['comment_agent'] ) ) {
- $commentdata['comment_agent'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT']: '';
- }
- $commentdata['comment_agent'] = substr( $commentdata['comment_agent'], 0, 254 );
-
- if ( empty( $commentdata['comment_date'] ) ) {
- $commentdata['comment_date'] = current_time('mysql');
- }
-
- if ( empty( $commentdata['comment_date_gmt'] ) ) {
- $commentdata['comment_date_gmt'] = current_time( 'mysql', 1 );
- }
-
- $commentdata = wp_filter_comment($commentdata);
-
- $commentdata['comment_approved'] = wp_allow_comment($commentdata);
-
- $comment_ID = wp_insert_comment($commentdata);
- if ( ! $comment_ID ) {
- $fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' );
-
- foreach ( $fields as $field ) {
- if ( isset( $commentdata[ $field ] ) ) {
- $commentdata[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->comments, $field, $commentdata[ $field ] );
- }
- }
-
- $commentdata = wp_filter_comment( $commentdata );
-
- $commentdata['comment_approved'] = wp_allow_comment( $commentdata );
-
- $comment_ID = wp_insert_comment( $commentdata );
- if ( ! $comment_ID ) {
- return false;
- }
- }
-
- /**
- * Fires immediately after a comment is inserted into the database.
- *
- * @since 1.2.0
- *
- * @param int $comment_ID The comment ID.
- * @param int $comment_approved 1 (true) if the comment is approved, 0 (false) if not.
- */
- do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'] );
-
- if ( 'spam' !== $commentdata['comment_approved'] ) { // If it's spam save it silently for later crunching
- if ( '0' == $commentdata['comment_approved'] ) {
- wp_notify_moderator( $comment_ID );
- }
-
- // wp_notify_postauthor() checks if notifying the author of their own comment.
- // By default, it won't, but filters can override this.
- if ( get_option( 'comments_notify' ) && $commentdata['comment_approved'] ) {
- wp_notify_postauthor( $comment_ID );
- }
- }
-
- return $comment_ID;
-}
-
-/**
- * Sets the status of a comment.
- *
- * The 'wp_set_comment_status' action is called after the comment is handled.
- * If the comment status is not in the list, then false is returned.
- *
- * @since 1.0.0
- *
- * global wpdb $wpdb
- *
- * @param int $comment_id Comment ID.
- * @param string $comment_status New comment status, either 'hold', 'approve', 'spam', or 'trash'.
- * @param bool $wp_error Whether to return a WP_Error object if there is a failure. Default is false.
- * @return bool|WP_Error True on success, false or WP_Error on failure.
- */
-function wp_set_comment_status($comment_id, $comment_status, $wp_error = false) {
- global $wpdb;
-
- switch ( $comment_status ) {
- case 'hold':
- case '0':
- $status = '0';
- break;
- case 'approve':
- case '1':
- $status = '1';
- if ( get_option('comments_notify') ) {
- wp_notify_postauthor( $comment_id );
- }
- break;
- case 'spam':
- $status = 'spam';
- break;
- case 'trash':
- $status = 'trash';
- break;
- default:
- return false;
- }
-
- $comment_old = clone get_comment($comment_id);
-
- if ( !$wpdb->update( $wpdb->comments, array('comment_approved' => $status), array('comment_ID' => $comment_id) ) ) {
- if ( $wp_error )
- return new WP_Error('db_update_error', __('Could not update comment status'), $wpdb->last_error);
- else
- return false;
- }
-
- clean_comment_cache($comment_id);
-
- $comment = get_comment($comment_id);
-
- /**
- * Fires immediately before transitioning a comment's status from one to another
- * in the database.
- *
- * @since 1.5.0
- *
- * @param int $comment_id Comment ID.
- * @param string|bool $comment_status Current comment status. Possible values include
- * 'hold', 'approve', 'spam', 'trash', or false.
- */
- do_action( 'wp_set_comment_status', $comment_id, $comment_status );
-
- wp_transition_comment_status($comment_status, $comment_old->comment_approved, $comment);
-
- wp_update_comment_count($comment->comment_post_ID);
-
- return true;
-}
-
-/**
- * Updates an existing comment in the database.
- *
- * Filters the comment and makes sure certain fields are valid before updating.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param array $commentarr Contains information on the comment.
- * @return int Comment was updated if value is 1, or was not updated if value is 0.
- */
-function wp_update_comment($commentarr) {
- global $wpdb;
-
- // First, get all of the original fields
- $comment = get_comment($commentarr['comment_ID'], ARRAY_A);
- if ( empty( $comment ) ) {
- return 0;
- }
-
- // Make sure that the comment post ID is valid (if specified).
- if ( isset( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) {
- return 0;
- }
-
- // Escape data pulled from DB.
- $comment = wp_slash($comment);
-
- $old_status = $comment['comment_approved'];
-
- // Merge old and new fields with new fields overwriting old ones.
- $commentarr = array_merge($comment, $commentarr);
-
- $commentarr = wp_filter_comment( $commentarr );
-
- // Now extract the merged array.
- $data = wp_unslash( $commentarr );
-
- /**
- * Filter the comment content before it is updated in the database.
- *
- * @since 1.5.0
- *
- * @param string $comment_content The comment data.
- */
- $data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] );
-
- $data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] );
-
- if ( ! isset( $data['comment_approved'] ) ) {
- $data['comment_approved'] = 1;
- } elseif ( 'hold' == $data['comment_approved'] ) {
- $data['comment_approved'] = 0;
- } elseif ( 'approve' == $data['comment_approved'] ) {
- $data['comment_approved'] = 1;
- }
-
- $comment_ID = $data['comment_ID'];
- $comment_post_ID = $data['comment_post_ID'];
- $keys = array( 'comment_post_ID', 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_type', 'comment_parent', 'user_id' );
- $data = wp_array_slice_assoc( $data, $keys );
- $rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_ID' ) );
-
- clean_comment_cache( $comment_ID );
- wp_update_comment_count( $comment_post_ID );
- /**
- * Fires immediately after a comment is updated in the database.
- *
- * The hook also fires immediately before comment status transition hooks are fired.
- *
- * @since 1.2.0
- *
- * @param int $comment_ID The comment ID.
- */
- do_action( 'edit_comment', $comment_ID );
- $comment = get_comment($comment_ID);
- wp_transition_comment_status($comment->comment_approved, $old_status, $comment);
- return $rval;
-}
-
-/**
- * Whether to defer comment counting.
- *
- * When setting $defer to true, all post comment counts will not be updated
- * until $defer is set to false. When $defer is set to false, then all
- * previously deferred updated post comment counts will then be automatically
- * updated without having to call wp_update_comment_count() after.
- *
- * @since 2.5.0
- * @staticvar bool $_defer
- *
- * @param bool $defer
- * @return bool
- */
-function wp_defer_comment_counting($defer=null) {
- static $_defer = false;
-
- if ( is_bool($defer) ) {
- $_defer = $defer;
- // flush any deferred counts
- if ( !$defer )
- wp_update_comment_count( null, true );
- }
-
- return $_defer;
-}
-
-/**
- * Updates the comment count for post(s).
- *
- * When $do_deferred is false (is by default) and the comments have been set to
- * be deferred, the post_id will be added to a queue, which will be updated at a
- * later date and only updated once per post ID.
- *
- * If the comments have not be set up to be deferred, then the post will be
- * updated. When $do_deferred is set to true, then all previous deferred post
- * IDs will be updated along with the current $post_id.
- *
- * @since 2.1.0
- * @see wp_update_comment_count_now() For what could cause a false return value
- *
- * @staticvar array $_deferred
- *
- * @param int $post_id Post ID
- * @param bool $do_deferred Whether to process previously deferred post comment counts
- * @return bool|void True on success, false on failure
- */
-function wp_update_comment_count($post_id, $do_deferred=false) {
- static $_deferred = array();
-
- if ( $do_deferred ) {
- $_deferred = array_unique($_deferred);
- foreach ( $_deferred as $i => $_post_id ) {
- wp_update_comment_count_now($_post_id);
- unset( $_deferred[$i] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */
- }
- }
-
- if ( wp_defer_comment_counting() ) {
- $_deferred[] = $post_id;
- return true;
- }
- elseif ( $post_id ) {
- return wp_update_comment_count_now($post_id);
- }
-
-}
-
-/**
- * Updates the comment count for the post.
- *
- * @since 2.5.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param int $post_id Post ID
- * @return bool True on success, false on '0' $post_id or if post with ID does not exist.
- */
-function wp_update_comment_count_now($post_id) {
- global $wpdb;
- $post_id = (int) $post_id;
- if ( !$post_id )
- return false;
- if ( !$post = get_post($post_id) )
- return false;
-
- $old = (int) $post->comment_count;
- $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );
- $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
-
- clean_post_cache( $post );
-
- /**
- * Fires immediately after a post's comment count is updated in the database.
- *
- * @since 2.3.0
- *
- * @param int $post_id Post ID.
- * @param int $new The new comment count.
- * @param int $old The old comment count.
- */
- do_action( 'wp_update_comment_count', $post_id, $new, $old );
- /** This action is documented in wp-includes/post.php */
- do_action( 'edit_post', $post_id, $post );
-
- return true;
-}
-
-//
-// Ping and trackback functions.
-//
-
-/**
- * Finds a pingback server URI based on the given URL.
- *
- * Checks the HTML for the rel="pingback" link and x-pingback headers. It does
- * a check for the x-pingback headers first and returns that, if available. The
- * check for the rel="pingback" has more overhead than just the header.
- *
- * @since 1.5.0
- *
- * @param string $url URL to ping.
- * @param int $deprecated Not Used.
- * @return false|string False on failure, string containing URI on success.
- */
-function discover_pingback_server_uri( $url, $deprecated = '' ) {
- if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.7' );
-
- $pingback_str_dquote = 'rel="pingback"';
- $pingback_str_squote = 'rel=\'pingback\'';
-
- /** @todo Should use Filter Extension or custom preg_match instead. */
- $parsed_url = parse_url($url);
-
- if ( ! isset( $parsed_url['host'] ) ) // Not an URL. This should never happen.
- return false;
-
- //Do not search for a pingback server on our own uploads
- $uploads_dir = wp_upload_dir();
- if ( 0 === strpos($url, $uploads_dir['baseurl']) )
- return false;
-
- $response = wp_safe_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
-
- if ( is_wp_error( $response ) )
- return false;
-
- if ( wp_remote_retrieve_header( $response, 'x-pingback' ) )
- return wp_remote_retrieve_header( $response, 'x-pingback' );
-
- // Not an (x)html, sgml, or xml page, no use going further.
- if ( preg_match('#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'content-type' )) )
- return false;
-
- // Now do a GET since we're going to look in the html headers (and we're sure it's not a binary file)
- $response = wp_safe_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0' ) );
-
- if ( is_wp_error( $response ) )
- return false;
-
- $contents = wp_remote_retrieve_body( $response );
-
- $pingback_link_offset_dquote = strpos($contents, $pingback_str_dquote);
- $pingback_link_offset_squote = strpos($contents, $pingback_str_squote);
- if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) {
- $quote = ($pingback_link_offset_dquote) ? '"' : '\'';
- $pingback_link_offset = ($quote=='"') ? $pingback_link_offset_dquote : $pingback_link_offset_squote;
- $pingback_href_pos = @strpos($contents, 'href=', $pingback_link_offset);
- $pingback_href_start = $pingback_href_pos+6;
- $pingback_href_end = @strpos($contents, $quote, $pingback_href_start);
- $pingback_server_url_len = $pingback_href_end - $pingback_href_start;
- $pingback_server_url = substr($contents, $pingback_href_start, $pingback_server_url_len);
-
- // We may find rel="pingback" but an incomplete pingback URL
- if ( $pingback_server_url_len > 0 ) { // We got it!
- return $pingback_server_url;
- }
- }
-
- return false;
-}
-
-/**
- * Perform all pingbacks, enclosures, trackbacks, and send to pingback services.
- *
- * @since 2.1.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- */
-function do_all_pings() {
- global $wpdb;
-
- // Do pingbacks
- while ($ping = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_pingme' LIMIT 1")) {
- delete_metadata_by_mid( 'post', $ping->meta_id );
- pingback( $ping->post_content, $ping->ID );
- }
-
- // Do Enclosures
- while ($enclosure = $wpdb->get_row("SELECT ID, post_content, meta_id FROM {$wpdb->posts}, {$wpdb->postmeta} WHERE {$wpdb->posts}.ID = {$wpdb->postmeta}.post_id AND {$wpdb->postmeta}.meta_key = '_encloseme' LIMIT 1")) {
- delete_metadata_by_mid( 'post', $enclosure->meta_id );
- do_enclose( $enclosure->post_content, $enclosure->ID );
- }
-
- // Do Trackbacks
- $trackbacks = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE to_ping <> '' AND post_status = 'publish'");
- if ( is_array($trackbacks) )
- foreach ( $trackbacks as $trackback )
- do_trackbacks($trackback);
-
- //Do Update Services/Generic Pings
- generic_ping();
-}
-
-/**
- * Perform trackbacks.
- *
- * @since 1.5.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param int $post_id Post ID to do trackbacks on.
- */
-function do_trackbacks($post_id) {
- global $wpdb;
-
- $post = get_post( $post_id );
- $to_ping = get_to_ping($post_id);
- $pinged = get_pung($post_id);
- if ( empty($to_ping) ) {
- $wpdb->update($wpdb->posts, array('to_ping' => ''), array('ID' => $post_id) );
- return;
- }
-
- if ( empty($post->post_excerpt) ) {
- /** This filter is documented in wp-includes/post-template.php */
- $excerpt = apply_filters( 'the_content', $post->post_content, $post->ID );
- } else {
- /** This filter is documented in wp-includes/post-template.php */
- $excerpt = apply_filters( 'the_excerpt', $post->post_excerpt );
- }
-
- $excerpt = str_replace(']]>', ']]>', $excerpt);
- $excerpt = wp_html_excerpt($excerpt, 252, '…');
-
- /** This filter is documented in wp-includes/post-template.php */
- $post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
- $post_title = strip_tags($post_title);
-
- if ( $to_ping ) {
- foreach ( (array) $to_ping as $tb_ping ) {
- $tb_ping = trim($tb_ping);
- if ( !in_array($tb_ping, $pinged) ) {
- trackback($tb_ping, $post_title, $excerpt, $post_id);
- $pinged[] = $tb_ping;
- } else {
- $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $tb_ping, $post_id) );
- }
- }
- }
-}
-
-/**
- * Sends pings to all of the ping site services.
- *
- * @since 1.2.0
- *
- * @param int $post_id Post ID.
- * @return int Same as Post ID from parameter
- */
-function generic_ping( $post_id = 0 ) {
- $services = get_option('ping_sites');
-
- $services = explode("\n", $services);
- foreach ( (array) $services as $service ) {
- $service = trim($service);
- if ( '' != $service )
- weblog_ping($service);
- }
-
- return $post_id;
-}
-
-/**
- * Pings back the links found in a post.
- *
- * @since 0.71
- *
- * @global string $wp_version
- *
- * @param string $content Post content to check for links.
- * @param int $post_ID Post ID.
- */
-function pingback($content, $post_ID) {
- global $wp_version;
- include_once(ABSPATH . WPINC . '/class-IXR.php');
- include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
-
- // original code by Mort (http://mort.mine.nu:8080)
- $post_links = array();
-
- $pung = get_pung($post_ID);
-
- // Step 1
- // Parsing the post, external links (if any) are stored in the $post_links array
- $post_links_temp = wp_extract_urls( $content );
-
- // Step 2.
- // Walking thru the links array
- // first we get rid of links pointing to sites, not to specific files
- // Example:
- // http://dummy-weblog.org
- // http://dummy-weblog.org/
- // http://dummy-weblog.org/post.php
- // We don't wanna ping first and second types, even if they have a valid <link/>
-
- foreach ( (array) $post_links_temp as $link_test ) :
- if ( !in_array($link_test, $pung) && (url_to_postid($link_test) != $post_ID) // If we haven't pung it already and it isn't a link to itself
- && !is_local_attachment($link_test) ) : // Also, let's never ping local attachments.
- if ( $test = @parse_url($link_test) ) {
- if ( isset($test['query']) )
- $post_links[] = $link_test;
- elseif ( isset( $test['path'] ) && ( $test['path'] != '/' ) && ( $test['path'] != '' ) )
- $post_links[] = $link_test;
- }
- endif;
- endforeach;
-
- $post_links = array_unique( $post_links );
- /**
- * Fires just before pinging back links found in a post.
- *
- * @since 2.0.0
- *
- * @param array &$post_links An array of post links to be checked, passed by reference.
- * @param array &$pung Whether a link has already been pinged, passed by reference.
- * @param int $post_ID The post ID.
- */
- do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post_ID ) );
-
- foreach ( (array) $post_links as $pagelinkedto ) {
- $pingback_server_url = discover_pingback_server_uri( $pagelinkedto );
-
- if ( $pingback_server_url ) {
- @ set_time_limit( 60 );
- // Now, the RPC call
- $pagelinkedfrom = get_permalink($post_ID);
-
- // using a timeout of 3 seconds should be enough to cover slow servers
- $client = new WP_HTTP_IXR_Client($pingback_server_url);
- $client->timeout = 3;
- /**
- * Filter the user agent sent when pinging-back a URL.
- *
- * @since 2.9.0
- *
- * @param string $concat_useragent The user agent concatenated with ' -- WordPress/'
- * and the WordPress version.
- * @param string $useragent The useragent.
- * @param string $pingback_server_url The server URL being linked to.
- * @param string $pagelinkedto URL of page linked to.
- * @param string $pagelinkedfrom URL of page linked from.
- */
- $client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . $wp_version, $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom );
- // when set to true, this outputs debug messages by itself
- $client->debug = false;
-
- if ( $client->query('pingback.ping', $pagelinkedfrom, $pagelinkedto) || ( isset($client->error->code) && 48 == $client->error->code ) ) // Already registered
- add_ping( $post_ID, $pagelinkedto );
- }
- }
-}
-
-/**
- * Check whether blog is public before returning sites.
- *
- * @since 2.1.0
- *
- * @param mixed $sites Will return if blog is public, will not return if not public.
- * @return mixed Empty string if blog is not public, returns $sites, if site is public.
- */
-function privacy_ping_filter($sites) {
- if ( '0' != get_option('blog_public') )
- return $sites;
- else
- return '';
-}
-
-/**
- * Send a Trackback.
- *
- * Updates database when sending trackback to prevent duplicates.
- *
- * @since 0.71
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $trackback_url URL to send trackbacks.
- * @param string $title Title of post.
- * @param string $excerpt Excerpt of post.
- * @param int $ID Post ID.
- * @return int|false|void Database query from update.
- */
-function trackback($trackback_url, $title, $excerpt, $ID) {
- global $wpdb;
-
- if ( empty($trackback_url) )
- return;
-
- $options = array();
- $options['timeout'] = 4;
- $options['body'] = array(
- 'title' => $title,
- 'url' => get_permalink($ID),
- 'blog_name' => get_option('blogname'),
- 'excerpt' => $excerpt
- );
-
- $response = wp_safe_remote_post( $trackback_url, $options );
-
- if ( is_wp_error( $response ) )
- return;
-
- $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $ID) );
- return $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $ID) );
-}
-
-/**
- * Send a pingback.
- *
- * @since 1.2.0
- *
- * @global string $wp_version
- *
- * @param string $server Host of blog to connect to.
- * @param string $path Path to send the ping.
- */
-function weblog_ping($server = '', $path = '') {
- global $wp_version;
- include_once(ABSPATH . WPINC . '/class-IXR.php');
- include_once(ABSPATH . WPINC . '/class-wp-http-ixr-client.php');
-
- // using a timeout of 3 seconds should be enough to cover slow servers
- $client = new WP_HTTP_IXR_Client($server, ((!strlen(trim($path)) || ('/' == $path)) ? false : $path));
- $client->timeout = 3;
- $client->useragent .= ' -- WordPress/'.$wp_version;
-
- // when set to true, this outputs debug messages by itself
- $client->debug = false;
- $home = trailingslashit( home_url() );
- if ( !$client->query('weblogUpdates.extendedPing', get_option('blogname'), $home, get_bloginfo('rss2_url') ) ) // then try a normal ping
- $client->query('weblogUpdates.ping', get_option('blogname'), $home);
-}
-
-/**
- * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI
- *
- * @since 3.5.1
- * @see wp_http_validate_url()
- *
- * @param string $source_uri
- * @return string
- */
-function pingback_ping_source_uri( $source_uri ) {
- return (string) wp_http_validate_url( $source_uri );
-}
-
-/**
- * Default filter attached to xmlrpc_pingback_error.
- *
- * Returns a generic pingback error code unless the error code is 48,
- * which reports that the pingback is already registered.
- *
- * @since 3.5.1
- * @link http://www.hixie.ch/specs/pingback/pingback#TOC3
- *
- * @param IXR_Error $ixr_error
- * @return IXR_Error
- */
-function xmlrpc_pingback_error( $ixr_error ) {
- if ( $ixr_error->code === 48 )
- return $ixr_error;
- return new IXR_Error( 0, '' );
-}
-
-//
-// Cache
-//
-
-/**
- * Removes comment ID from the comment cache.
- *
- * @since 2.3.0
- *
- * @param int|array $ids Comment ID or array of comment IDs to remove from cache
- */
-function clean_comment_cache($ids) {
- foreach ( (array) $ids as $id )
- wp_cache_delete($id, 'comment');
-
- wp_cache_set( 'last_changed', microtime(), 'comment' );
-}
-
-/**
- * Updates the comment cache of given comments.
- *
- * Will add the comments in $comments to the cache. If comment ID already exists
- * in the comment cache then it will not be updated. The comment is added to the
- * cache using the comment group with the key using the ID of the comments.
- *
- * @since 2.3.0
- *
- * @param array $comments Array of comment row objects
- */
-function update_comment_cache($comments) {
- foreach ( (array) $comments as $comment )
- wp_cache_add($comment->comment_ID, $comment, 'comment');
-}
-
-//
-// Internal
-//
-
-/**
- * Close comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
- *
- * @access private
- * @since 2.7.0
- *
- * @param WP_Post $posts Post data object.
- * @param WP_Query $query Query object.
- * @return array
- */
-function _close_comments_for_old_posts( $posts, $query ) {
- if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) )
- return $posts;
-
- /**
- * Filter the list of post types to automatically close comments for.
- *
- * @since 3.2.0
- *
- * @param array $post_types An array of registered post types. Default array with 'post'.
- */
- $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
- if ( ! in_array( $posts[0]->post_type, $post_types ) )
- return $posts;
-
- $days_old = (int) get_option( 'close_comments_days_old' );
- if ( ! $days_old )
- return $posts;
-
- if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) {
- $posts[0]->comment_status = 'closed';
- $posts[0]->ping_status = 'closed';
- }
-
- return $posts;
-}
-
-/**
- * Close comments on an old post. Hooked to comments_open and pings_open.
- *
- * @access private
- * @since 2.7.0
- *
- * @param bool $open Comments open or closed
- * @param int $post_id Post ID
- * @return bool $open
- */
-function _close_comments_for_old_post( $open, $post_id ) {
- if ( ! $open )
- return $open;
-
- if ( !get_option('close_comments_for_old_posts') )
- return $open;
-
- $days_old = (int) get_option('close_comments_days_old');
- if ( !$days_old )
- return $open;
-
- $post = get_post($post_id);
-
- /** This filter is documented in wp-includes/comment.php */
- $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) );
- if ( ! in_array( $post->post_type, $post_types ) )
- return $open;
-
- if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) )
- return false;
-
- return $open;
-}
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+require_once( ABSPATH . WPINC . '/class-wp-comment-query.php' );
+require_once( ABSPATH . WPINC . '/comment-functions.php' );
</ins></span></pre>
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