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<title>[59766] trunk: Query: Increase `WP_Query` cache hits for equivalent arguments.</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/59766">59766</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/59766","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>peterwilsoncc</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2025-02-06 05:02:17 +0000 (Thu, 06 Feb 2025)</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'>Query: Increase `WP_Query` cache hits for equivalent arguments.

Introduces normalization a number of arguments passed to `WP_Query` to increase cache hits for equivalent requests. For example `author__in => [ 1, 2 ]` and `author__in => [ 2, 1 ]` will now hit the same cache.

Prior to generating the SQL request and cache key, the following are sorted, made unique and type cast as appropriate.

* `post_type` when passed as an array
* `post_status` when passed as an array
* `term_query`s containing `terms`
* `cat`
* `category__in`
* `category__not_in`
* `category__and`
* `tag_slug__in`
* `tag__in`
* `tag__not_in`
* `tag__and`
* `tag_slug__in`
* `tag_slug__and`
* `post_parent__not_in`
* `author`
* `author__not_in`
* `author__in`

The following are sorted for the purposes of generating the cache key and SQL `WHERE` clause but unmodified for use in the `ORDER BY` SQL clause:

* `post_name__in`
* `post__in`
* `post_parent__in`

This commit includes changes to unrelated tests, assertions in  `Tests_Query_ParseQuery::test_parse_query_cat_array_mixed()` and `WP_Test_REST_Posts_Controller::test_get_items_not_sticky_with_exclude()` have been modified to account for the sorting of the items above.

Props thekt12, peterwilsoncc, spacedmonkey, joemcgill, flixos90, mukesh27, pbearne, swissspidy.
Fixes <a href="https://core.trac.wordpress.org/ticket/59516">#59516</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpqueryphp">trunk/src/wp-includes/class-wp-query.php</a></li>
<li><a href="#trunktestsphpunittestsquerycacheResultsphp">trunk/tests/phpunit/tests/query/cacheResults.php</a></li>
<li><a href="#trunktestsphpunittestsqueryparseQueryphp">trunk/tests/phpunit/tests/query/parseQuery.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestpostscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpqueryphp"></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/class-wp-query.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-query.php  2025-02-05 23:51:28 UTC (rev 59765)
+++ trunk/src/wp-includes/class-wp-query.php    2025-02-06 05:02:17 UTC (rev 59766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -475,6 +475,16 @@
</span><span class="cx" style="display: block; padding: 0 10px">        private $compat_methods = array( 'init_query_flags', 'parse_tax_query' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * The cache key generated by the query.
+        *
+        * The cache key is generated by the method ::generate_cache_key() after the
+        * query has been normalized.
+        *
+        * @var string
+        */
+       private $query_cache_key = '';
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Resets query flags to false.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * The query flags are what page info WordPress was able to figure out.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1101,7 +1111,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $qv['post_type'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( is_array( $qv['post_type'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $qv['post_type'] = array_map( 'sanitize_key', $qv['post_type'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         $qv['post_type'] = array_map( 'sanitize_key', array_unique( $qv['post_type'] ) );
+                               sort( $qv['post_type'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                $qv['post_type'] = sanitize_key( $qv['post_type'] );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1109,7 +1120,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $qv['post_status'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( is_array( $qv['post_status'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $qv['post_status'] = array_map( 'sanitize_key', $qv['post_status'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         $qv['post_status'] = array_map( 'sanitize_key', array_unique( $qv['post_status'] ) );
+                               sort( $qv['post_status'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                $qv['post_status'] = preg_replace( '|[^a-z0-9_,-]|', '', $qv['post_status'] );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1182,9 +1194,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                                $term = $q[ $t->query_var ];
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                if ( is_array( $term ) ) {
-                                       $term = implode( ',', $term );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         if ( ! is_array( $term ) ) {
+                                       $term = explode( ',', $term );
+                                       $term = array_map( 'trim', $term );
</ins><span class="cx" style="display: block; padding: 0 10px">                                 }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                sort( $term );
+                               $term = implode( ',', $term );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( str_contains( $term, '+' ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        $terms = preg_split( '/[+]+/', $term );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1220,7 +1235,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        $cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) );
</span><span class="cx" style="display: block; padding: 0 10px">                        $cat_array = array_map( 'intval', $cat_array );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $q['cat']  = implode( ',', $cat_array );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $cat_array );
+                       $q['cat'] = implode( ',', $cat_array );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        foreach ( $cat_array as $cat ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( $cat > 0 ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1262,7 +1278,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['category__in'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $tax_query[]       = array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $q['category__in'] );
+                       $tax_query[] = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'taxonomy'         => 'category',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'            => $q['category__in'],
</span><span class="cx" style="display: block; padding: 0 10px">                                'field'            => 'term_id',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1272,6 +1289,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['category__not_in'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        sort( $q['category__not_in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $tax_query[]           = array(
</span><span class="cx" style="display: block; padding: 0 10px">                                'taxonomy'         => 'category',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'            => $q['category__not_in'],
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1282,7 +1300,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['category__and'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $tax_query[]        = array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $q['category__and'] );
+                       $tax_query[] = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'taxonomy'         => 'category',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'            => $q['category__and'],
</span><span class="cx" style="display: block; padding: 0 10px">                                'field'            => 'term_id',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1300,10 +1319,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( '' !== $q['tag'] && ! $this->is_singular && $this->query_vars_changed ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( str_contains( $q['tag'], ',' ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                // @todo Handle normalizing `tag` query string.
</ins><span class="cx" style="display: block; padding: 0 10px">                                 $tags = preg_split( '/[,\r\n\t ]+/', $q['tag'] );
</span><span class="cx" style="display: block; padding: 0 10px">                                foreach ( (array) $tags as $tag ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        $tag                 = sanitize_term_field( 'slug', $tag, 0, 'post_tag', 'db' );
</span><span class="cx" style="display: block; padding: 0 10px">                                        $q['tag_slug__in'][] = $tag;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                        sort( $q['tag_slug__in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                                 }
</span><span class="cx" style="display: block; padding: 0 10px">                        } elseif ( preg_match( '/[+\r\n\t ]+/', $q['tag'] ) || ! empty( $q['cat'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $tags = preg_split( '/[+\r\n\t ]+/', $q['tag'] );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1314,6 +1335,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                $q['tag']            = sanitize_term_field( 'slug', $q['tag'], 0, 'post_tag', 'db' );
</span><span class="cx" style="display: block; padding: 0 10px">                                $q['tag_slug__in'][] = $q['tag'];
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                sort( $q['tag_slug__in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         }
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1327,7 +1349,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['tag__in'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['tag__in'] = array_map( 'absint', array_unique( (array) $q['tag__in'] ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $tax_query[]  = array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $q['tag__in'] );
+                       $tax_query[] = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'taxonomy' => 'post_tag',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'    => $q['tag__in'],
</span><span class="cx" style="display: block; padding: 0 10px">                        );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1335,6 +1358,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['tag__not_in'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['tag__not_in'] = array_map( 'absint', array_unique( (array) $q['tag__not_in'] ) );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        sort( $q['tag__not_in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $tax_query[]      = array(
</span><span class="cx" style="display: block; padding: 0 10px">                                'taxonomy' => 'post_tag',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'    => $q['tag__not_in'],
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1344,7 +1368,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['tag__and'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['tag__and'] = array_map( 'absint', array_unique( (array) $q['tag__and'] ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $tax_query[]   = array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $q['tag__and'] );
+                       $tax_query[] = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'taxonomy' => 'post_tag',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'    => $q['tag__and'],
</span><span class="cx" style="display: block; padding: 0 10px">                                'operator' => 'AND',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1353,7 +1378,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['tag_slug__in'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['tag_slug__in'] = array_map( 'sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $tax_query[]       = array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $q['tag_slug__in'] );
+                       $tax_query[] = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'taxonomy' => 'post_tag',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'    => $q['tag_slug__in'],
</span><span class="cx" style="display: block; padding: 0 10px">                                'field'    => 'slug',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1362,7 +1388,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['tag_slug__and'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['tag_slug__and'] = array_map( 'sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $tax_query[]        = array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 sort( $q['tag_slug__and'] );
+                       $tax_query[] = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'taxonomy' => 'post_tag',
</span><span class="cx" style="display: block; padding: 0 10px">                                'terms'    => $q['tag_slug__and'],
</span><span class="cx" style="display: block; padding: 0 10px">                                'field'    => 'slug',
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2186,8 +2213,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $where          .= " AND {$wpdb->posts}.post_name = '" . $q['attachment'] . "'";
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( is_array( $q['post_name__in'] ) && ! empty( $q['post_name__in'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $post_name__in      = "'" . implode( "','", $q['post_name__in'] ) . "'";
-                       $where             .= " AND {$wpdb->posts}.post_name IN ($post_name__in)";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Duplicate array before sorting to allow for the orderby clause.
+                       $post_name__in_for_where = array_unique( $q['post_name__in'] );
+                       sort( $post_name__in_for_where );
+                       $post_name__in = "'" . implode( "','", $post_name__in_for_where ) . "'";
+                       $where        .= " AND {$wpdb->posts}.post_name IN ($post_name__in)";
</ins><span class="cx" style="display: block; padding: 0 10px">                 }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                // If an attachment is requested by number, let it supersede any post number.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2199,9 +2229,14 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( $q['p'] ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $where .= " AND {$wpdb->posts}.ID = " . $q['p'];
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( $q['post__in'] ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $post__in = implode( ',', array_map( 'absint', $q['post__in'] ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Duplicate array before sorting to allow for the orderby clause.
+                       $post__in_for_where = $q['post__in'];
+                       $post__in_for_where = array_unique( array_map( 'absint', $post__in_for_where ) );
+                       sort( $post__in_for_where );
+                       $post__in = implode( ',', array_map( 'absint', $post__in_for_where ) );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $where   .= " AND {$wpdb->posts}.ID IN ($post__in)";
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( $q['post__not_in'] ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        sort( $q['post__not_in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $post__not_in = implode( ',', array_map( 'absint', $q['post__not_in'] ) );
</span><span class="cx" style="display: block; padding: 0 10px">                        $where       .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2209,9 +2244,14 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( is_numeric( $q['post_parent'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $where .= $wpdb->prepare( " AND {$wpdb->posts}.post_parent = %d ", $q['post_parent'] );
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( $q['post_parent__in'] ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 // Duplicate array before sorting to allow for the orderby clause.
+                       $post_parent__in_for_where = $q['post_parent__in'];
+                       $post_parent__in_for_where = array_unique( array_map( 'absint', $post_parent__in_for_where ) );
+                       sort( $post_parent__in_for_where );
+                       $post_parent__in = implode( ',', array_map( 'absint', $post_parent__in_for_where ) );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $where          .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( $q['post_parent__not_in'] ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        sort( $q['post_parent__not_in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) );
</span><span class="cx" style="display: block; padding: 0 10px">                        $where              .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2341,6 +2381,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['author'] ) && '0' != $q['author'] ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
</span><span class="cx" style="display: block; padding: 0 10px">                        $authors     = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        sort( $authors );
</ins><span class="cx" style="display: block; padding: 0 10px">                         foreach ( $authors as $author ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $key         = $author > 0 ? 'author__in' : 'author__not_in';
</span><span class="cx" style="display: block; padding: 0 10px">                                $q[ $key ][] = abs( $author );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2349,9 +2390,17 @@
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $q['author__not_in'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 if ( is_array( $q['author__not_in'] ) ) {
+                               $q['author__not_in'] = array_unique( array_map( 'absint', $q['author__not_in'] ) );
+                               sort( $q['author__not_in'] );
+                       }
+                       $author__not_in = implode( ',', (array) $q['author__not_in'] );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $where         .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) ";
</span><span class="cx" style="display: block; padding: 0 10px">                } elseif ( ! empty( $q['author__in'] ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        if ( is_array( $q['author__in'] ) ) {
+                               $q['author__in'] = array_unique( array_map( 'absint', $q['author__in'] ) );
+                               sort( $q['author__in'] );
+                       }
</ins><span class="cx" style="display: block; padding: 0 10px">                         $author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) );
</span><span class="cx" style="display: block; padding: 0 10px">                        $where     .= " AND {$wpdb->posts}.post_author IN ($author__in) ";
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2588,6 +2637,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! is_array( $q_status ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $q_status = explode( ',', $q_status );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        sort( $q_status );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $r_status = array();
</span><span class="cx" style="display: block; padding: 0 10px">                        $p_status = array();
</span><span class="cx" style="display: block; padding: 0 10px">                        $e_status = array();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4902,6 +4952,33 @@
</span><span class="cx" style="display: block; padding: 0 10px">                // Sort post types to ensure same cache key generation.
</span><span class="cx" style="display: block; padding: 0 10px">                sort( $args['post_type'] );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                /*
+                * Sort arrays that can be used for ordering prior to cache key generation.
+                *
+                * These arrays are sorted in the query generator for the purposes of the
+                * WHERE clause but the arguments are not modified as they can be used for
+                * the orderby clase.
+                *
+                * Their use in the orderby clause will generate a different SQL query so
+                * they can be sorted for the cache key generation.
+                */
+               $sortable_arrays_with_int_values = array(
+                       'post__in',
+                       'post_parent__in',
+               );
+               foreach ( $sortable_arrays_with_int_values as $key ) {
+                       if ( isset( $args[ $key ] ) && is_array( $args[ $key ] ) ) {
+                               $args[ $key ] = array_unique( array_map( 'absint', $args[ $key ] ) );
+                               sort( $args[ $key ] );
+                       }
+               }
+
+               // Sort and unique the 'post_name__in' for cache key generation.
+               if ( isset( $args['post_name__in'] ) && is_array( $args['post_name__in'] ) ) {
+                       $args['post_name__in'] = array_unique( $args['post_name__in'] );
+                       sort( $args['post_name__in'] );
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( isset( $args['post_status'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $args['post_status'] = (array) $args['post_status'];
</span><span class="cx" style="display: block; padding: 0 10px">                        // Sort post status to ensure same cache key generation.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4942,7 +5019,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $last_changed .= wp_cache_get_last_changed( 'terms' );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                return "wp_query:$key:$last_changed";
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->query_cache_key = "wp_query:$key:$last_changed";
+               return $this->query_cache_key;
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span></span></pre></div>
<a id="trunktestsphpunittestsquerycacheResultsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/query/cacheResults.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/query/cacheResults.php  2025-02-05 23:51:28 UTC (rev 59765)
+++ trunk/tests/phpunit/tests/query/cacheResults.php    2025-02-06 05:02:17 UTC (rev 59766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -201,7 +201,174 @@
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59516
+        *
+        * @covers WP_Query::generate_cache_key
+        */
+       public function test_post_in_order_by_clauses_are_not_normalized() {
+               global $wpdb;
+
+               $post_ids = self::$posts;
+
+               $query_vars1 = array(
+                       'post__in' => $post_ids,
+                       'orderby'  => 'post__in',
+               );
+               $query_vars2 = array(
+                       'post__in' => array_reverse( $post_ids ),
+                       'orderby'  => 'post__in',
+               );
+
+               $fields   = "{$wpdb->posts}.ID";
+               $query1   = new WP_Query( $query_vars1 );
+               $request1 = str_replace( $fields, "{$wpdb->posts}.*", $query1->request );
+
+               $query2   = new WP_Query( $query_vars2 );
+               $request2 = str_replace( $fields, "{$wpdb->posts}.*", $query2->request );
+
+               $reflection_q1 = new ReflectionProperty( $query1, 'query_cache_key' );
+               $reflection_q1->setAccessible( true );
+
+               $reflection_q2 = new ReflectionProperty( $query2, 'query_cache_key' );
+               $reflection_q2->setAccessible( true );
+
+               $this->assertNotSame( $request1, $request2, 'Queries should not match' );
+
+               $cache_key_1 = $reflection_q1->getValue( $query1 );
+               $cache_key_2 = $reflection_q2->getValue( $query2 );
+
+               $this->assertNotSame( $cache_key_1, $cache_key_2, 'Cache key should differ.' );
+               $this->assertNotEmpty( $cache_key_1, 'Cache key for query one should not be empty.' );
+               $this->assertNotEmpty( $cache_key_2, 'Cache key for query two should not be empty.' );
+
+               // Test the posts are returned different orders.
+               $this->assertNotSame( wp_list_pluck( $query1->posts, 'ID' ), wp_list_pluck( $query2->posts, 'ID' ), 'Query one posts should not match the order of query two posts.' );
+               // Test the posts are the same sets.
+               $this->assertSameSets( wp_list_pluck( $query1->posts, 'ID' ), wp_list_pluck( $query2->posts, 'ID' ), 'Query one posts should match the set of query two posts.' );
+       }
+
+       /**
+        * @ticket 59516
+        *
+        * @covers WP_Query::generate_cache_key
+        */
+       public function test_post_parent_in_order_by_clauses_are_not_normalized() {
+               global $wpdb;
+
+               $parent_pages = self::$pages;
+               $post_names   = array( 'doctor-dillamond', 'elphaba', 'fiyero', 'glinda', 'the-wizard-of-oz' );
+               $child_pages  = array();
+               foreach ( $parent_pages as $key => $parent_page ) {
+                       $child_pages[] = self::factory()->post->create(
+                               array(
+                                       'post_parent' => $parent_page,
+                                       'post_type'   => 'page',
+                                       'post_name'   => $post_names[ $key ],
+                               )
+                       );
+               }
+
+               $query_vars1 = array(
+                       'post_parent__in' => $parent_pages,
+                       'post_type'       => 'page',
+                       'orderby'         => 'post_parent__in',
+               );
+
+               $query_vars2 = array(
+                       'post_parent__in' => array_reverse( $parent_pages ),
+                       'post_type'       => 'page',
+                       'orderby'         => 'post_parent__in',
+               );
+
+               $fields   = "{$wpdb->posts}.ID";
+               $query1   = new WP_Query( $query_vars1 );
+               $request1 = str_replace( $fields, "{$wpdb->posts}.*", $query1->request );
+
+               $query2   = new WP_Query( $query_vars2 );
+               $request2 = str_replace( $fields, "{$wpdb->posts}.*", $query2->request );
+
+               $reflection_q1 = new ReflectionProperty( $query1, 'query_cache_key' );
+               $reflection_q1->setAccessible( true );
+
+               $reflection_q2 = new ReflectionProperty( $query2, 'query_cache_key' );
+               $reflection_q2->setAccessible( true );
+
+               $this->assertNotSame( $request1, $request2, 'Queries should not match' );
+
+               $cache_key_1 = $reflection_q1->getValue( $query1 );
+               $cache_key_2 = $reflection_q2->getValue( $query2 );
+
+               $this->assertNotSame( $cache_key_1, $cache_key_2, 'Cache key should differ.' );
+               $this->assertNotEmpty( $cache_key_1, 'Cache key for query one should not be empty.' );
+               $this->assertNotEmpty( $cache_key_2, 'Cache key for query two should not be empty.' );
+
+               // Test the posts are returned in the correct order.
+               $this->assertSame( array( 'doctor-dillamond', 'elphaba', 'fiyero', 'glinda', 'the-wizard-of-oz' ), wp_list_pluck( $query1->posts, 'post_name' ), 'Query one posts should be in alphabetical order' );
+               $this->assertSame( array( 'the-wizard-of-oz', 'glinda', 'fiyero', 'elphaba', 'doctor-dillamond' ), wp_list_pluck( $query2->posts, 'post_name' ), 'Query two posts should be in reverse alphabetical order.' );
+               // Test the posts are the same sets.
+               $this->assertSameSets( wp_list_pluck( $query1->posts, 'ID' ), wp_list_pluck( $query2->posts, 'ID' ), 'Query one posts should match the set of query two posts.' );
+       }
+
+       /**
+        * @ticket 59516
+        *
+        * @covers WP_Query::generate_cache_key
+        */
+       public function test_post_name_in_order_by_clauses_are_not_normalized() {
+               global $wpdb;
+               $post_names = array( 'doctor-dillamond', 'elphaba', 'glinda', 'the-wizard-of-oz' );
+               $posts      = array();
+
+               foreach ( $post_names as $post_name ) {
+                       $posts[] = self::factory()->post->create(
+                               array(
+                                       'post_name' => $post_name,
+                               )
+                       );
+               }
+
+               $query_vars1 = array(
+                       'post_name__in' => $post_names,
+                       'orderby'       => 'post_name__in',
+               );
+
+               $query_vars2 = array(
+                       'post_name__in' => array_reverse( $post_names ),
+                       'orderby'       => 'post_name__in',
+               );
+
+               $fields   = "{$wpdb->posts}.ID";
+               $query1   = new WP_Query( $query_vars1 );
+               $request1 = str_replace( $fields, "{$wpdb->posts}.*", $query1->request );
+
+               $query2   = new WP_Query( $query_vars2 );
+               $request2 = str_replace( $fields, "{$wpdb->posts}.*", $query2->request );
+
+               $reflection_q1 = new ReflectionProperty( $query1, 'query_cache_key' );
+               $reflection_q1->setAccessible( true );
+
+               $reflection_q2 = new ReflectionProperty( $query2, 'query_cache_key' );
+               $reflection_q2->setAccessible( true );
+
+               $this->assertNotSame( $request1, $request2, 'Queries should not match' );
+
+               $cache_key_1 = $reflection_q1->getValue( $query1 );
+               $cache_key_2 = $reflection_q2->getValue( $query2 );
+
+               $this->assertNotSame( $cache_key_1, $cache_key_2, 'Cache key should differ.' );
+               $this->assertNotEmpty( $cache_key_1, 'Cache key for query one should not be empty.' );
+               $this->assertNotEmpty( $cache_key_2, 'Cache key for query two should not be empty.' );
+
+               // Test the posts are returned in the correct order.
+               $this->assertSame( array( 'doctor-dillamond', 'elphaba', 'glinda', 'the-wizard-of-oz' ), wp_list_pluck( $query1->posts, 'post_name' ), 'Query one posts should be in alphabetical order' );
+               $this->assertSame( array( 'the-wizard-of-oz', 'glinda', 'elphaba', 'doctor-dillamond' ), wp_list_pluck( $query2->posts, 'post_name' ), 'Query two posts should be in reverse alphabetical order.' );
+               // Test the posts are the same sets.
+               $this->assertSameSets( wp_list_pluck( $query1->posts, 'ID' ), wp_list_pluck( $query2->posts, 'ID' ), 'Query one posts should match the set of query two posts.' );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * @ticket 59442
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @ticket 59516
</ins><span class="cx" style="display: block; padding: 0 10px">          *
</span><span class="cx" style="display: block; padding: 0 10px">         * @covers WP_Query::generate_cache_key
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -217,15 +384,20 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $query2   = new WP_Query( $query_vars2 );
</span><span class="cx" style="display: block; padding: 0 10px">                $request2 = str_replace( $fields, "{$wpdb->posts}.*", $query2->request );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $reflection = new ReflectionMethod( $query1, 'generate_cache_key' );
-               $reflection->setAccessible( true );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $reflection_q1 = new ReflectionProperty( $query1, 'query_cache_key' );
+               $reflection_q1->setAccessible( true );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                $reflection_q2 = new ReflectionProperty( $query2, 'query_cache_key' );
+               $reflection_q2->setAccessible( true );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 $this->assertSame( $request1, $request2, 'Queries should match' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $cache_key_1 = $reflection->invoke( $query1, $query_vars1, $request1 );
-               $cache_key_2 = $reflection->invoke( $query1, $query_vars2, $request2 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $cache_key_1 = $reflection_q1->getValue( $query1 );
+               $cache_key_2 = $reflection_q2->getValue( $query2 );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $this->assertSame( $cache_key_1, $cache_key_2, 'Cache key differs the same paramters.' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->assertSame( $cache_key_1, $cache_key_2, 'Cache key differs the same effective parameters.' );
+               $this->assertNotEmpty( $cache_key_1, 'Cache key for query one should not be empty.' );
+               $this->assertNotEmpty( $cache_key_2, 'Cache key for query two should not be empty.' );
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -280,19 +452,19 @@
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function data_query_cache_duplicate() {
</span><span class="cx" style="display: block; padding: 0 10px">                return array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'post type empty'           => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'post type empty'                              => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_type' => '' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_type' => 'post' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'post type array'           => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'post type array'                              => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_type' => array( 'page' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_type' => 'page' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'orderby empty'             => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'orderby empty'                                => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'orderby' => null ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'orderby' => 'date' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'different order parameter' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'different order parameter'                    => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array(
</span><span class="cx" style="display: block; padding: 0 10px">                                        'post_type'      => 'post',
</span><span class="cx" style="display: block; padding: 0 10px">                                        'posts_per_page' => 15,
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -302,32 +474,242 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        'post_type'      => 'post',
</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">-                        'same args'                 => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'same args'                                    => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_type' => 'post' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_type' => 'post' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'same args any'             => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'same args any'                                => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_type' => 'any' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_type' => 'any' ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'any and post types'        => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'any and post types'                           => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_type' => 'any' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_type' => array( 'post', 'page', 'attachment' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'different order post type' => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'different order post type'                    => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_type' => array( 'post', 'page' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_type' => array( 'page', 'post' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'post status array'         => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'non-unique post type'                         => array(
+                               'query_vars1' => array( 'post_type' => array( 'post', 'page' ) ),
+                               'query_vars2' => array( 'post_type' => array( 'page', 'post', 'page' ) ),
+                       ),
+                       'post status array'                            => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_status' => 'publish' ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_status' => array( 'publish' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'post status order'         => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'post status order'                            => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array( 'post_status' => array( 'draft', 'publish' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'query_vars2' => array( 'post_status' => array( 'publish', 'draft' ) ),
</span><span class="cx" style="display: block; padding: 0 10px">                        ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'cache parameters'          => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'non-unique post status'                       => array(
+                               'query_vars1' => array( 'post_status' => array( 'draft', 'publish' ) ),
+                               'query_vars2' => array( 'post_status' => array( 'draft', 'publish', 'draft' ) ),
+                       ),
+                       'post id int vs string'                        => array(
+                               'query_vars1' => array( 'p' => '1' ),
+                               'query_vars2' => array( 'p' => 1 ),
+                       ),
+                       'page id int vs string'                        => array(
+                               'query_vars1' => array( 'page_id' => '2' ),
+                               'query_vars2' => array( 'page_id' => 2 ),
+                       ),
+                       'attachment id int vs string'                  => array(
+                               'query_vars1' => array( 'attachment_id' => '3' ),
+                               'query_vars2' => array( 'attachment_id' => 3 ),
+                       ),
+                       'date and time values int vs string'           => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'query_vars1' => array(
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                        'year'     => '2013',
+                                       'monthnum' => '12',
+                                       'day'      => '12',
+                                       'hour'     => '12',
+                                       'minute'   => '12',
+                                       'second'   => '12',
+                               ),
+                               'query_vars2' => array(
+                                       'year'     => 2013,
+                                       'monthnum' => 12,
+                                       'day'      => 12,
+                                       'hour'     => 12,
+                                       'minute'   => 12,
+                                       'second'   => 12,
+                               ),
+                       ),
+                       'offset value int vs string'                   => array(
+                               'query_vars1' => array( 'offset' => '5' ),
+                               'query_vars2' => array( 'offset' => 5 ),
+                       ),
+                       'posts per page value int vs string'           => array(
+                               'query_vars1' => array( 'posts_per_page' => '5' ),
+                               'query_vars2' => array( 'posts_per_page' => 5 ),
+                       ),
+                       'paged value int vs string'                    => array(
+                               'query_vars1' => array( 'paged' => '2' ),
+                               'query_vars2' => array( 'paged' => 2 ),
+                       ),
+                       'menu_order value int vs string'               => array(
+                               'query_vars1' => array( 'menu_order' => '2' ),
+                               'query_vars2' => array( 'menu_order' => 2 ),
+                       ),
+                       'post__in different order'                     => array(
+                               'query_vars1' => array( 'post__in' => array( 1, 2, 3, 4, 5 ) ),
+                               'query_vars2' => array( 'post__in' => array( 5, 4, 3, 2, 1 ) ),
+                       ),
+                       'post__in non-unique'                          => array(
+                               'query_vars1' => array( 'post__in' => array( 1, 2, 3, 4, 5 ) ),
+                               'query_vars2' => array( 'post__in' => array( 1, 2, 3, 4, 5, 1, 2, 3 ) ),
+                       ),
+                       'post_parent__in different order'              => array(
+                               'query_vars1' => array( 'post_parent__in' => array( 1, 2, 3, 4, 5 ) ),
+                               'query_vars2' => array( 'post_parent__in' => array( 5, 4, 3, 2, 1 ) ),
+                       ),
+                       'post_parent__in non-unique'                   => array(
+                               'query_vars1' => array( 'post_parent__in' => array( 1, 2, 3, 4, 5 ) ),
+                               'query_vars2' => array( 'post_parent__in' => array( 1, 2, 3, 4, 5, 1, 2, 3 ) ),
+                       ),
+                       'post_name__in different order'                => array(
+                               'query_vars1' => array( 'post_name__in' => array( 'elphaba', 'glinda', 'the-wizard-of-oz', 'doctor-dillamond' ) ),
+                               'query_vars2' => array( 'post_name__in' => array( 'doctor-dillamond', 'elphaba', 'the-wizard-of-oz', 'glinda' ) ),
+                       ),
+                       'post_name__in non-unique'                     => array(
+                               'query_vars1' => array( 'post_name__in' => array( 'elphaba', 'glinda', 'the-wizard-of-oz', 'doctor-dillamond' ) ),
+                               'query_vars2' => array( 'post_name__in' => array( 'elphaba', 'glinda', 'elphaba', 'glinda', 'the-wizard-of-oz', 'doctor-dillamond' ) ),
+                       ),
+                       'cat different order (array)'                  => array(
+                               'query_vars_1' => array( 'cat' => array( '1', '2' ) ),
+                               'query_vars_2' => array( 'cat' => array( '2', '1' ) ),
+                       ),
+                       'cat different order (string)'                 => array(
+                               'query_vars_1' => array( 'cat' => '2,1' ),
+                               'query_vars_2' => array( 'cat' => '1,2' ),
+                       ),
+                       'cat queries int vs string'                    => array(
+                               'query_vars_1' => array( 'cat' => '2' ),
+                               'query_vars_2' => array( 'cat' => 2 ),
+                       ),
+                       'category__in queries different order (array)' => array(
+                               'query_vars_1' => array( 'category__in' => array( '1', '2' ) ),
+                               'query_vars_2' => array( 'category__in' => array( '2', '1' ) ),
+                       ),
+                       'category__in queries with non-unique array'   => array(
+                               'query_vars_1' => array( 'category__in' => array( '1', '1' ) ),
+                               'query_vars_2' => array( 'category__in' => array( '1' ) ),
+                       ),
+                       'category__in queries string vs array (array)' => array(
+                               'query_vars_1' => array( 'category__in' => array( '1' ) ),
+                               'query_vars_2' => array( 'category__in' => array( 1 ) ),
+                       ),
+                       'category__not_in different order (array)'     => array(
+                               'query_vars_1' => array( 'category__not_in' => array( '1', '2' ) ),
+                               'query_vars_2' => array( 'category__not_in' => array( '2', '1' ) ),
+                       ),
+                       'category__not_in with non-unique array'       => array(
+                               'query_vars_1' => array( 'category__not_in' => array( '1', '1' ) ),
+                               'query_vars_2' => array( 'category__not_in' => array( '1' ) ),
+                       ),
+                       'category__not_in queries string vs array (array)' => array(
+                               'query_vars_1' => array( 'category__not_in' => array( '1' ) ),
+                               'query_vars_2' => array( 'category__not_in' => array( 1 ) ),
+                       ),
+                       'category__and queries width different order (array)' => array(
+                               'query_vars_1' => array( 'category__and' => array( '1', '2' ) ),
+                               'query_vars_2' => array( 'category__and' => array( '2', '1' ) ),
+                       ),
+                       'category__and with non-unique array'          => array(
+                               'query_vars_1' => array( 'category__and' => array( '1', '1', '2' ) ),
+                               'query_vars_2' => array( 'category__and' => array( '1', '2' ) ),
+                       ),
+                       'category__and queries string vs array (array)' => array(
+                               'query_vars_1' => array( 'category__and' => array( '1', '2' ) ),
+                               'query_vars_2' => array( 'category__and' => array( 1, 2 ) ),
+                       ),
+                       'author queries different order (string)'      => array(
+                               'query_vars_1' => array( 'author' => '1,2' ),
+                               'query_vars_2' => array( 'author' => '2,1' ),
+                       ),
+                       'author with non-unique string'                => array(
+                               'query_vars_1' => array( 'author' => '1,1' ),
+                               'query_vars_2' => array( 'author' => '1' ),
+                       ),
+                       'author queries int vs string (string)'        => array(
+                               'query_vars_1' => array( 'author' => 1 ),
+                               'query_vars_2' => array( 'author' => '1' ),
+                       ),
+                       'author queries int vs string (array)'         => array(
+                               'query_vars_1' => array( 'author' => array( 1 ) ),
+                               'query_vars_2' => array( 'author' => array( '1' ) ),
+                       ),
+                       'author__in different order'                   => array(
+                               'query_vars_1' => array( 'author__in' => array( 1, 2 ) ),
+                               'query_vars_2' => array( 'author__in' => array( 2, 1 ) ),
+                       ),
+                       'author__in with non-unique array'             => array(
+                               'query_vars_1' => array( 'author__in' => array( 1, 1, 2 ) ),
+                               'query_vars_2' => array( 'author__in' => array( 1, 2 ) ),
+                       ),
+                       'author__in queries int vs string (array)'     => array(
+                               'query_vars_1' => array( 'author__in' => array( 1 ) ),
+                               'query_vars_2' => array( 'author__in' => array( '1' ) ),
+                       ),
+                       'author__not_in different order (array)'       => array(
+                               'query_vars_1' => array( 'author__not_in' => array( 1, 2 ) ),
+                               'query_vars_2' => array( 'author__not_in' => array( 2, 1 ) ),
+                       ),
+                       'author__not_in queries int vs string (array)' => array(
+                               'query_vars_1' => array( 'author__not_in' => array( 1 ) ),
+                               'query_vars_2' => array( 'author__not_in' => array( '1' ) ),
+                       ),
+                       'tag_slug__in order'                           => array(
+                               'query_vars_1' => array( 'tag_slug__in' => array( 'foo', 'bar' ) ),
+                               'query_vars_2' => array( 'tag_slug__in' => array( 'bar', 'foo' ) ),
+                       ),
+                       'tag_slug__in non-unique vs unique'            => array(
+                               'query_vars_1' => array( 'tag_slug__in' => array( 'foo', 'bar', 'bar' ) ),
+                               'query_vars_2' => array( 'tag_slug__in' => array( 'foo', 'bar' ) ),
+                       ),
+                       'tag_slug__and order'                          => array(
+                               'query_vars_1' => array( 'tag_slug__and' => array( 'foo', 'bar' ) ),
+                               'query_vars_2' => array( 'tag_slug__and' => array( 'bar', 'foo' ) ),
+                       ),
+                       'tag_slug__and non-unique'                     => array(
+                               'query_vars_1' => array( 'tag_slug__and' => array( 'foo', 'bar', 'foo' ) ),
+                               'query_vars_2' => array( 'tag_slug__and' => array( 'bar', 'foo' ) ),
+                       ),
+                       'tag__in queries different order (array)'      => array(
+                               'query_vars_1' => array( 'tag__in' => array( 1, 2 ) ),
+                               'query_vars_2' => array( 'tag__in' => array( 2, 1 ) ),
+                       ),
+                       'tag__in queries non-unique array'             => array(
+                               'query_vars_1' => array( 'tag__in' => array( 1, 2, 1 ) ),
+                               'query_vars_2' => array( 'tag__in' => array( 2, 1 ) ),
+                       ),
+                       'tag__in queries int vs string'                => array(
+                               'query_vars_1' => array( 'tag__in' => array( 2, 1 ) ),
+                               'query_vars_2' => array( 'tag__in' => array( '2', '1' ) ),
+                       ),
+                       'tag__and queries different order (array)'     => array(
+                               'query_vars_1' => array( 'tag__and' => array( 1, 2 ) ),
+                               'query_vars_2' => array( 'tag__and' => array( 2, 1 ) ),
+                       ),
+                       'tag__and queries non-unique array'            => array(
+                               'query_vars_1' => array( 'tag__and' => array( 1, 2, 2 ) ),
+                               'query_vars_2' => array( 'tag__and' => array( 2, 1 ) ),
+                       ),
+                       'tag__not_in queries different order (array)'  => array(
+                               'query_vars_1' => array( 'tag__not_in' => array( 1, 2 ) ),
+                               'query_vars_2' => array( 'tag__not_in' => array( 2, 1 ) ),
+                       ),
+                       'tag__not_in queries non-unique array'         => array(
+                               'query_vars_1' => array( 'tag__not_in' => array( 1, 2, 2 ) ),
+                               'query_vars_2' => array( 'tag__not_in' => array( 1, 2 ) ),
+                       ),
+                       'tag__not_in queries int vs string (array)'    => array(
+                               'query_vars_1' => array( 'tag__not_in' => array( '1' ) ),
+                               'query_vars_2' => array( 'tag__not_in' => array( 1 ) ),
+                       ),
+                       'cache parameters'                             => array(
+                               'query_vars1' => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                         'update_post_meta_cache' => true,
</span><span class="cx" style="display: block; padding: 0 10px">                                        'update_post_term_cache' => true,
</span><span class="cx" style="display: block; padding: 0 10px">                                        'update_menu_item_cache' => true,
</span></span></pre></div>
<a id="trunktestsphpunittestsqueryparseQueryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/query/parseQuery.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/query/parseQuery.php    2025-02-05 23:51:28 UTC (rev 59765)
+++ trunk/tests/phpunit/tests/query/parseQuery.php      2025-02-06 05:02:17 UTC (rev 59766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -151,7 +151,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        )
</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">-                $this->assertSame( '1,-1', $q->query_vars['cat'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->assertSame( '-1,1', $q->query_vars['cat'] );
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        /**
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php      2025-02-05 23:51:28 UTC (rev 59765)
+++ trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php        2025-02-06 05:02:17 UTC (rev 59766)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1574,7 +1574,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertNotContains( $id2, $ids );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertNotContains( $id3, $ids );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $this->assertPostsWhere( " AND {posts}.ID NOT IN ($id3,$id2) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $this->assertPostsWhere( " AND {posts}.ID NOT IN ($id2,$id3) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_items_not_sticky_with_exclude_no_sticky_posts() {
</span></span></pre>
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