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<title>[45807] trunk: REST API: Support 'object' and 'array' types in register_meta() schemas.</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/45807">45807</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/45807","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>kadamwhite</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-08-15 17:16:21 +0000 (Thu, 15 Aug 2019)</dd>
</dl>

<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>REST API: Support 'object' and 'array' types in register_meta() schemas.

Extends meta registration to support complex schema values, mirroring the functionality in the settings controller.
Error when trying to modify a meta key containing schema-nonconformant data.

Props @TimothyBlynJacobs, @birgire, @mnelson4, @flixos90.
Fixes <a href="https://core.trac.wordpress.org/ticket/43392">#43392</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapifieldsclasswprestmetafieldsphp">trunk/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php</a></li>
<li><a href="#trunksrcwpincludesrestapiphp">trunk/src/wp-includes/rest-api.php</a></li>
<li><a href="#trunktestsphpunitincludesclassbasicobjectphp">trunk/tests/phpunit/includes/class-basic-object.php</a></li>
<li><a href="#trunktestsphpunitincludesfunctionsphp">trunk/tests/phpunit/includes/functions.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestpostmetafieldsphp">trunk/tests/phpunit/tests/rest-api/rest-post-meta-fields.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapifieldsclasswprestmetafieldsphp"></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/rest-api/fields/class-wp-rest-meta-fields.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php       2019-08-15 13:05:39 UTC (rev 45806)
+++ trunk/src/wp-includes/rest-api/fields/class-wp-rest-meta-fields.php 2019-08-15 17:16:21 UTC (rev 45807)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -143,6 +143,21 @@
</span><span class="cx" style="display: block; padding: 0 10px">                         * from the database and then relying on the default value.
</span><span class="cx" style="display: block; padding: 0 10px">                         */
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( is_null( $meta[ $name ] ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                $args = $this->get_registered_fields()[ $meta_key ];
+
+                               if ( $args['single'] ) {
+                                       $current = get_metadata( $this->get_meta_type(), $object_id, $meta_key, true );
+
+                                       if ( is_wp_error( rest_validate_value_from_schema( $current, $args['schema'] ) ) ) {
+                                               return new WP_Error(
+                                                       'rest_invalid_stored_value',
+                                                       /* translators: %s: custom field key */
+                                                       sprintf( __( 'The %s property has an invalid stored value, and cannot be updated to null.' ), $name ),
+                                                       array( 'status' => 500 )
+                                               );
+                                       }
+                               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                                 $result = $this->delete_meta_value( $object_id, $meta_key, $name );
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( is_wp_error( $result ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        return $result;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -150,13 +165,24 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                continue;
</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">-                        $is_valid = rest_validate_value_from_schema( $meta[ $name ], $args['schema'], 'meta.' . $name );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $value = $meta[ $name ];
+
+                       if ( ! $args['single'] && is_array( $value ) && count( array_filter( $value, 'is_null' ) ) ) {
+                               return new WP_Error(
+                                       'rest_invalid_stored_value',
+                                       /* translators: %s: custom field key */
+                                       sprintf( __( 'The %s property has an invalid stored value, and cannot be updated to null.' ), $name ),
+                                       array( 'status' => 500 )
+                               );
+                       }
+
+                       $is_valid = rest_validate_value_from_schema( $value, $args['schema'], 'meta.' . $name );
</ins><span class="cx" style="display: block; padding: 0 10px">                         if ( is_wp_error( $is_valid ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $is_valid->add_data( array( 'status' => 400 ) );
</span><span class="cx" style="display: block; padding: 0 10px">                                return $is_valid;
</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">-                        $value = rest_sanitize_value_from_schema( $meta[ $name ], $args['schema'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $value = rest_sanitize_value_from_schema( $value, $args['schema'] );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( $args['single'] ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $result = $this->update_meta_value( $object_id, $meta_key, $name, $value );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -260,8 +286,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        unset( $to_add[ $add_key ] );
</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">-                // `delete_metadata` removes _all_ instances of the value, so only call once.
-               $to_remove = array_unique( $to_remove );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         // `delete_metadata` removes _all_ instances of the value, so only call once. Otherwise,
+               // `delete_metadata` will return false for subsequent calls of the same value.
+               // Use serialization to produce a predictable string that can be used by array_unique.
+               $to_remove = array_map( 'maybe_unserialize', array_unique( array_map( 'maybe_serialize', $to_remove ) ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                foreach ( $to_remove as $value ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( ! delete_metadata( $meta_type, $object_id, wp_slash( $meta_key ), wp_slash( $value ) ) ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -393,15 +421,21 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $type = ! empty( $rest_args['type'] ) ? $rest_args['type'] : null;
</span><span class="cx" style="display: block; padding: 0 10px">                        $type = ! empty( $rest_args['schema']['type'] ) ? $rest_args['schema']['type'] : $type;
</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 ( ! in_array( $type, array( 'string', 'boolean', 'integer', 'number' ) ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 if ( null === $rest_args['schema']['default'] ) {
+                               $rest_args['schema']['default'] = $this->get_default_for_type( $type );
+                       }
+
+                       $rest_args['schema'] = $this->default_additional_properties_to_false( $rest_args['schema'] );
+
+                       if ( ! in_array( $type, array( 'string', 'boolean', 'integer', 'number', 'array', 'object' ) ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                                 continue;
</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( $rest_args['single'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $rest_args['schema']['items'] = array(
-                                       'type' => $rest_args['type'],
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         $rest_args['schema'] = array(
+                                       'type'  => 'array',
+                                       'items' => $rest_args['schema'],
</ins><span class="cx" style="display: block; padding: 0 10px">                                 );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $rest_args['schema']['type']  = 'array';
</del><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">                        $registered[ $name ] = $rest_args;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -452,34 +486,18 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @return mixed Value prepared for output. If a non-JsonSerializable object, null.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public static function prepare_value( $value, $request, $args ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $type = $args['schema']['type'];
</del><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                // For multi-value fields, check the item type instead.
-               if ( 'array' === $type && ! empty( $args['schema']['items']['type'] ) ) {
-                       $type = $args['schema']['items']['type'];
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( $args['single'] ) {
+                       $schema = $args['schema'];
+               } else {
+                       $schema = $args['schema']['items'];
</ins><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">-                switch ( $type ) {
-                       case 'string':
-                               $value = (string) $value;
-                               break;
-                       case 'integer':
-                               $value = (int) $value;
-                               break;
-                       case 'number':
-                               $value = (float) $value;
-                               break;
-                       case 'boolean':
-                               $value = (bool) $value;
-                               break;
-               }
-
-               // Don't allow objects to be output.
-               if ( is_object( $value ) && ! ( $value instanceof JsonSerializable ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( is_wp_error( rest_validate_value_from_schema( $value, $schema ) ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         return null;
</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 $value;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         return rest_sanitize_value_from_schema( $value, $schema );
</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">@@ -499,4 +517,63 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                return $value;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       /**
+        * Recursively add additionalProperties = false to all objects in a schema if no additionalProperties setting
+        * is specified.
+        *
+        * This is needed to restrict properties of objects in meta values to only
+        * registered items, as the REST API will allow additional properties by
+        * default.
+        *
+        * @since 5.3.0
+        *
+        * @param array $schema The schema array.
+        * @return array
+        */
+       protected function default_additional_properties_to_false( $schema ) {
+               switch ( $schema['type'] ) {
+                       case 'object':
+                               foreach ( $schema['properties'] as $key => $child_schema ) {
+                                       $schema['properties'][ $key ] = $this->default_additional_properties_to_false( $child_schema );
+                               }
+
+                               if ( ! isset( $schema['additionalProperties'] ) ) {
+                                       $schema['additionalProperties'] = false;
+                               }
+                               break;
+                       case 'array':
+                               $schema['items'] = $this->default_additional_properties_to_false( $schema['items'] );
+                               break;
+               }
+
+               return $schema;
+       }
+
+       /**
+        * Gets the default value for a schema type.
+        *
+        * @since 5.3.0
+        *
+        * @param string $type
+        * @return mixed
+        */
+       protected function get_default_for_type( $type ) {
+               switch ( $type ) {
+                       case 'string':
+                               return '';
+                       case 'boolean':
+                               return false;
+                       case 'integer':
+                               return 0;
+                       case 'number':
+                               return 0.0;
+                       case 'array':
+                               return array();
+                       case 'object':
+                               return array();
+                       default:
+                               return null;
+               }
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunksrcwpincludesrestapiphp"></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/rest-api.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api.php        2019-08-15 13:05:39 UTC (rev 45806)
+++ trunk/src/wp-includes/rest-api.php  2019-08-15 17:16:21 UTC (rev 45807)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1159,6 +1159,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( $value instanceof stdClass ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $value = (array) $value;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               if ( $value instanceof JsonSerializable ) {
+                       $value = $value->jsonSerialize();
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( ! is_array( $value ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        /* translators: 1: parameter, 2: type name */
</span><span class="cx" style="display: block; padding: 0 10px">                        return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'object' ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1170,8 +1175,17 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( is_wp_error( $is_valid ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        return $is_valid;
</span><span class="cx" style="display: block; padding: 0 10px">                                }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        } elseif ( isset( $args['additionalProperties'] ) && false === $args['additionalProperties'] ) {
-                               return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 } elseif ( isset( $args['additionalProperties'] ) ) {
+                               if ( false === $args['additionalProperties'] ) {
+                                       return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
+                               }
+
+                               if ( is_array( $args['additionalProperties'] ) ) {
+                                       $is_valid = rest_validate_value_from_schema( $v, $args['additionalProperties'], $param . '[' . $property . ']' );
+                                       if ( is_wp_error( $is_valid ) ) {
+                                               return $is_valid;
+                                       }
+                               }
</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">@@ -1298,6 +1312,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( $value instanceof stdClass ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $value = (array) $value;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               if ( $value instanceof JsonSerializable ) {
+                       $value = $value->jsonSerialize();
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( ! is_array( $value ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        return array();
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1305,8 +1324,12 @@
</span><span class="cx" style="display: block; padding: 0 10px">                foreach ( $value as $property => $v ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( isset( $args['properties'][ $property ] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                $value[ $property ] = rest_sanitize_value_from_schema( $v, $args['properties'][ $property ] );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        } elseif ( isset( $args['additionalProperties'] ) && false === $args['additionalProperties'] ) {
-                               unset( $value[ $property ] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 } elseif ( isset( $args['additionalProperties'] ) ) {
+                               if ( false === $args['additionalProperties'] ) {
+                                       unset( $value[ $property ] );
+                               } elseif ( is_array( $args['additionalProperties'] ) ) {
+                                       $value[ $property ] = rest_sanitize_value_from_schema( $v, $args['additionalProperties'] );
+                               }
</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="trunktestsphpunitincludesclassbasicobjectphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/includes/class-basic-object.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/includes/class-basic-object.php       2019-08-15 13:05:39 UTC (rev 45806)
+++ trunk/tests/phpunit/includes/class-basic-object.php 2019-08-15 17:16:21 UTC (rev 45807)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -7,8 +7,6 @@
</span><span class="cx" style="display: block; padding: 0 10px">  * @since 4.7.0
</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">-trigger_error( __FILE__ . ' is deprecated since version 5.0.0 with no alternative available.' );
-
</del><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px">  * Class used to test accessing methods and properties
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span></span></pre></div>
<a id="trunktestsphpunitincludesfunctionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/includes/functions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/includes/functions.php        2019-08-15 13:05:39 UTC (rev 45806)
+++ trunk/tests/phpunit/includes/functions.php  2019-08-15 17:16:21 UTC (rev 45807)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,4 +1,5 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+require_once __DIR__ . '/class-basic-object.php';
</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">  * Retrieves PHPUnit runner version.
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestpostmetafieldsphp"></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-post-meta-fields.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-post-meta-fields.php      2019-08-15 13:05:39 UTC (rev 45806)
+++ trunk/tests/phpunit/tests/rest-api/rest-post-meta-fields.php        2019-08-15 17:16:21 UTC (rev 45807)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1176,7 +1176,7 @@
</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">-         * @ticket 38323
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @ticket       38323
</ins><span class="cx" style="display: block; padding: 0 10px">          * @dataProvider data_get_subtype_meta_value
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_subtype_meta_value( $post_type, $meta_key, $single, $in_post_type ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1228,7 +1228,7 @@
</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">-         * @ticket 38323
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @ticket       38323
</ins><span class="cx" style="display: block; padding: 0 10px">          * @dataProvider data_set_subtype_meta_value
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_set_subtype_meta_value( $post_type, $meta_key, $single, $in_post_type, $can_write ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1256,6 +1256,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! $can_write ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->assertEquals( 403, $response->get_status() );
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->assertEmpty( get_post_meta( $post_id, $meta_key, $single ) );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px">                         return;
</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">@@ -1298,7 +1299,7 @@
</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">-         * @ticket 42069
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  * @ticket       42069
</ins><span class="cx" style="display: block; padding: 0 10px">          * @dataProvider data_update_value_return_success_with_same_value
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_update_value_return_success_with_same_value( $meta_key, $meta_value ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1348,6 +1349,778 @@
</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 43392
+        */
+       public function test_object_single() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => array(
+                                               'project' => 'WordPress',
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'object', $data['meta'] );
+               $this->assertArrayHasKey( 'project', $data['meta']['object'] );
+               $this->assertEquals( 'WordPress', $data['meta']['object']['project'] );
+
+               $meta = get_post_meta( self::$post_id, 'object', true );
+               $this->assertArrayHasKey( 'project', $meta );
+               $this->assertEquals( 'WordPress', $meta['project'] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_object_multiple() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => false,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => array(
+                                               array(
+                                                       'project' => 'WordPress',
+                                               ),
+                                               array(
+                                                       'project' => 'bbPress',
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'object', $data['meta'] );
+               $this->assertCount( 2, $data['meta']['object'] );
+
+               $this->assertArrayHasKey( 'project', $data['meta']['object'][0] );
+               $this->assertEquals( 'WordPress', $data['meta']['object'][0]['project'] );
+
+               $this->assertArrayHasKey( 'project', $data['meta']['object'][1] );
+               $this->assertEquals( 'bbPress', $data['meta']['object'][1]['project'] );
+
+               $meta = get_post_meta( self::$post_id, 'object' );
+
+               $this->assertCount( 2, $meta );
+
+               $this->assertArrayHasKey( 'project', $meta[0] );
+               $this->assertEquals( 'WordPress', $meta[0]['project'] );
+
+               $this->assertArrayHasKey( 'project', $meta[1] );
+               $this->assertEquals( 'bbPress', $meta[1]['project'] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_array_single() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'list',
+                       array(
+                               'single'       => true,
+                               'type'         => 'array',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'  => 'array',
+                                               'items' => array(
+                                                       'type' => 'string',
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'list' => array( 'WordPress', 'bbPress' ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'list', $data['meta'] );
+               $this->assertEquals( array( 'WordPress', 'bbPress' ), $data['meta']['list'] );
+
+               $meta = get_post_meta( self::$post_id, 'list', true );
+               $this->assertEquals( array( 'WordPress', 'bbPress' ), $meta );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_array_of_objects_multiple() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'list_of_objects',
+                       array(
+                               'single'       => false,
+                               'type'         => 'array',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'  => 'array',
+                                               'items' => array(
+                                                       'type'       => 'object',
+                                                       'properties' => array(
+                                                               'version' => array(
+                                                                       'type' => 'string',
+                                                               ),
+                                                               'artist'  => array(
+                                                                       'type' => 'string',
+                                                               ),
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'list_of_objects' => array(
+                                               // Meta 1
+                                               array(
+                                                       array(
+                                                               'version' => '5.2',
+                                                               'artist'  => 'Jaco',
+                                                       ),
+                                                       array(
+                                                               'version' => '5.1',
+                                                               'artist'  => 'Betty',
+                                                       ),
+                                               ),
+                                               // Meta 2
+                                               array(
+                                                       array(
+                                                               'version' => '4.9',
+                                                               'artist'  => 'Tipton',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'list_of_objects', $data['meta'] );
+               $this->assertCount( 2, $data['meta']['list_of_objects'] );
+
+               $this->assertEquals(
+                       array(
+                               array(
+                                       'version' => '5.2',
+                                       'artist'  => 'Jaco',
+                               ),
+                               array(
+                                       'version' => '5.1',
+                                       'artist'  => 'Betty',
+                               ),
+                       ),
+                       $data['meta']['list_of_objects'][0]
+               );
+
+               $this->assertEquals(
+                       array(
+                               array(
+                                       'version' => '4.9',
+                                       'artist'  => 'Tipton',
+                               ),
+                       ),
+                       $data['meta']['list_of_objects'][1]
+               );
+
+               $meta = get_post_meta( self::$post_id, 'list_of_objects' );
+
+               $this->assertCount( 2, $meta );
+
+               $this->assertEquals(
+                       array(
+                               array(
+                                       'version' => '5.2',
+                                       'artist'  => 'Jaco',
+                               ),
+                               array(
+                                       'version' => '5.1',
+                                       'artist'  => 'Betty',
+                               ),
+                       ),
+                       $meta[0]
+               );
+
+               $this->assertEquals(
+                       array(
+                               array(
+                                       'version' => '4.9',
+                                       'artist'  => 'Tipton',
+                               ),
+                       ),
+                       $meta[1]
+               );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_php_objects_returned_as_null() {
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $basic          = new Basic_Object();
+               $basic->project = 'WordPress';
+               update_post_meta( self::$post_id, 'object', $basic );
+
+               $request  = new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'object', $data['meta'] );
+               $this->assertNull( $data['meta']['object'] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_php_objects_returned_as_null_multiple() {
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => false,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $basic          = new Basic_Object();
+               $basic->project = 'WordPress';
+               add_post_meta( self::$post_id, 'object', array( 'project' => 'bbPress' ) );
+               add_post_meta( self::$post_id, 'object', $basic );
+
+               $request  = new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'object', $data['meta'] );
+               $this->assertCount( 2, $data['meta']['object'] );
+               $this->assertEquals( array( 'project' => 'bbPress' ), $data['meta']['object'][0] );
+               $this->assertNull( $data['meta']['object'][1] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_php_jsonserializable_object_returns_value() {
+               require_once __DIR__ . '/../../includes/class-jsonserializable-object.php';
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               update_post_meta( self::$post_id, 'object', new JsonSerializable_Object( array( 'project' => 'WordPress' ) ) );
+
+               $request  = new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+
+               $this->assertArrayHasKey( 'object', $data['meta'] );
+               $this->assertEquals( array( 'project' => 'WordPress' ), $data['meta']['object'] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_updating_meta_to_null_for_key_with_existing_php_object_does_not_delete_meta_value() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $basic          = new Basic_Object();
+               $basic->project = 'WordPress';
+               update_post_meta( self::$post_id, 'object', $basic );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => null,
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 500, $response->get_status() );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_updating_non_single_meta_to_null_for_key_with_existing_php_object_does_not_set_meta_value_to_null() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => false,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $basic          = new Basic_Object();
+               $basic->project = 'WordPress';
+               add_post_meta( self::$post_id, 'object', array( 'project' => 'bbPress' ) );
+               add_post_meta( self::$post_id, 'object', $basic );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => array(
+                                               array( 'project' => 'BuddyPress' ),
+                                               null,
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 500, $response->get_status() );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_object_rejects_additional_properties_by_default() {
+               $this->grant_write_permission();
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => array(
+                                               'project'     => 'BuddyPress',
+                                               'awesomeness' => 100,
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 400, $response->get_status() );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_object_allows_additional_properties_if_explicitly_set() {
+               $this->grant_write_permission();
+
+               $value = array(
+                       'project'     => 'BuddyPress',
+                       'awesomeness' => 100,
+               );
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'                 => 'object',
+                                               'additionalProperties' => true,
+                                               'properties'           => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => $value,
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 200, $response->get_status() );
+               $this->assertEquals( $value, $response->get_data()['meta']['object'] );
+
+               $this->assertEquals( $value, get_post_meta( self::$post_id, 'object', true ) );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_object_allows_additional_properties_and_uses_its_schema() {
+               $this->grant_write_permission();
+
+               $value = array(
+                       'project'     => 'BuddyPress',
+                       'awesomeness' => 'fabulous',
+               );
+
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => true,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'                 => 'object',
+                                               'additionalProperties' => array(
+                                                       'type' => 'number',
+                                               ),
+                                               'properties'           => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => $value,
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 400, $response->get_status() );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_invalid_meta_value_are_set_to_null_in_response() {
+               register_post_meta(
+                       'post',
+                       'email',
+                       array(
+                               'single'       => true,
+                               'type'         => 'string',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'   => 'string',
+                                               'format' => 'email',
+                                       ),
+                               ),
+                       )
+               );
+
+               update_post_meta( self::$post_id, 'email', 'invalid_meta_value' );
+
+               $request  = new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $response = rest_get_server()->dispatch( $request );
+
+               $this->assertNull( $response->get_data()['meta']['email'] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_meta_values_are_not_set_to_null_in_response_if_type_safely_serializable() {
+               register_post_meta(
+                       'post',
+                       'boolean',
+                       array(
+                               'single'       => true,
+                               'show_in_rest' => true,
+                               'type'         => 'boolean',
+                       )
+               );
+
+               update_post_meta( self::$post_id, 'boolean', 'true' );
+
+               $request  = new WP_REST_Request( 'GET', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $response = rest_get_server()->dispatch( $request );
+
+               $this->assertTrue( $response->get_data()['meta']['boolean'] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_update_multi_meta_value_object() {
+               register_post_meta(
+                       'post',
+                       'object',
+                       array(
+                               'single'       => false,
+                               'type'         => 'object',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'       => 'object',
+                                               'properties' => array(
+                                                       'project' => array(
+                                                               'type' => 'string',
+                                                       ),
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               add_post_meta(
+                       self::$post_id,
+                       'object',
+                       array(
+                               'project' => 'WordPress',
+                       )
+               );
+               add_post_meta(
+                       self::$post_id,
+                       'object',
+                       array(
+                               'project' => 'bbPress',
+                       )
+               );
+
+               $this->grant_write_permission();
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'object' => array(
+                                               array( 'project' => 'WordPress' ),
+                                               array( 'project' => 'BuddyPress' ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 200, $response->get_status() );
+
+               $data = $response->get_data();
+               $this->assertArrayHasKey( 'object', $data['meta'] );
+
+               $this->assertCount( 2, $data['meta']['object'] );
+               $this->assertEquals( array( 'project' => 'WordPress' ), $data['meta']['object'][0] );
+               $this->assertEquals( array( 'project' => 'BuddyPress' ), $data['meta']['object'][1] );
+
+               $meta = get_post_meta( self::$post_id, 'object' );
+               $this->assertCount( 2, $meta );
+               $this->assertEquals( array( 'project' => 'WordPress' ), $meta[0] );
+               $this->assertEquals( array( 'project' => 'BuddyPress' ), $meta[1] );
+       }
+
+       /**
+        * @ticket 43392
+        */
+       public function test_update_multi_meta_value_array() {
+               register_post_meta(
+                       'post',
+                       'list',
+                       array(
+                               'type'         => 'array',
+                               'show_in_rest' => array(
+                                       'schema' => array(
+                                               'type'  => 'array',
+                                               'items' => array(
+                                                       'type' => 'string',
+                                               ),
+                                       ),
+                               ),
+                       )
+               );
+
+               add_post_meta( self::$post_id, 'list', array( 'WordPress', 'bbPress' ) );
+               add_post_meta( self::$post_id, 'list', array( 'WordCamp' ) );
+
+               $this->grant_write_permission();
+
+               $request = new WP_REST_Request( 'PUT', sprintf( '/wp/v2/posts/%d', self::$post_id ) );
+               $request->set_body_params(
+                       array(
+                               'meta' => array(
+                                       'list' => array(
+                                               array( 'WordPress', 'bbPress' ),
+                                               array( 'BuddyPress' ),
+                                       ),
+                               ),
+                       )
+               );
+
+               $response = rest_get_server()->dispatch( $request );
+               $this->assertEquals( 200, $response->get_status() );
+
+               $data = $response->get_data();
+               $this->assertArrayHasKey( 'list', $data['meta'] );
+
+               $this->assertCount( 2, $data['meta']['list'] );
+               $this->assertEquals( array( 'WordPress', 'bbPress' ), $data['meta']['list'][0] );
+               $this->assertEquals( array( 'BuddyPress' ), $data['meta']['list'][1] );
+
+               $meta = get_post_meta( self::$post_id, 'list' );
+               $this->assertCount( 2, $meta );
+               $this->assertEquals( array( 'WordPress', 'bbPress' ), $meta[0] );
+               $this->assertEquals( array( 'BuddyPress' ), $meta[1] );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Internal function used to disable an insert query which
</span><span class="cx" style="display: block; padding: 0 10px">         * will trigger a wpdb error for testing purposes.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span></span></pre>
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