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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/54175">54175</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/54175","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>audrasjb</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2022-09-15 11:39:43 +0000 (Thu, 15 Sep 2022)</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'>Editor: Backport `build_query_vars_from_query_block` changes from Gutenberg repository.

This changeset backports changes from the following Gutenberg pull requests:

- [https://github.com/WordPress/gutenberg/pull/43590 gutenberg<a href="https://core.trac.wordpress.org/ticket/43590">#43590</a>] Add a filter to `build_query_vars_from_query_block`
- [https://github.com/WordPress/gutenberg/pull/40933 gutenberg<a href="https://core.trac.wordpress.org/ticket/40933">#40933</a>] Block Library - Query Loop: Add parents filter

Props ntsekouras, bernhard-reiter.
See <a href="https://core.trac.wordpress.org/ticket/56467">#56467</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesblocksphp">trunk/src/wp-includes/blocks.php</a></li>
<li><a href="#trunktestsphpunittestsblockswpBlockphp">trunk/tests/phpunit/tests/blocks/wpBlock.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesblocksphp"></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/blocks.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/blocks.php  2022-09-15 10:53:18 UTC (rev 54174)
+++ trunk/src/wp-includes/blocks.php    2022-09-15 11:39:43 UTC (rev 54175)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1189,6 +1189,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">  * It's used in Query Loop, Query Pagination Numbers and Query Pagination Next blocks.
</span><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @since 5.8.0
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 6.1.0 Added `query_loop_block_query_vars` filter and `parents` support in query.
</ins><span class="cx" style="display: block; padding: 0 10px">  *
</span><span class="cx" style="display: block; padding: 0 10px">  * @param WP_Block $block Block instance.
</span><span class="cx" style="display: block; padding: 0 10px">  * @param int      $page  Current query's page.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1289,8 +1290,32 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( ! empty( $block->context['query']['search'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $query['s'] = $block->context['query']['search'];
</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 ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) {
+                       $query['post_parent__in'] = array_filter( array_map( 'intval', $block->context['query']['parents'] ) );
+               }
</ins><span class="cx" style="display: block; padding: 0 10px">         }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        return $query;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       /**
+        * Filters the arguments which will be passed to `WP_Query` for the Query Loop Block.
+        *
+        * Anything to this filter should be compatible with the `WP_Query` API to form
+        * the query context which will be passed down to the Query Loop Block's children.
+        * This can help, for example, to include additional settings or meta queries not
+        * directly supported by the core Query Loop Block, and extend its capabilities.
+        *
+        * Please note that this will only influence the query that will be rendered on the
+        * front-end. The editor preview is not affected by this filter. Also, worth noting
+        * that the editor preview uses the REST API, so, ideally, one should aim to provide
+        * attributes which are also compatible with the REST API, in order to be able to
+        * implement identical queries on both sides.
+        *
+        * @since 6.1.0
+        *
+        * @param array    $query Array containing parameters for `WP_Query` as parsed by the block context.
+        * @param WP_Block $block Block instance.
+        * @param int      $page  Current query's page.
+        */
+       return apply_filters( 'query_loop_block_query_vars', $query, $block, $page );
</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="trunktestsphpunittestsblockswpBlockphp"></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/blocks/wpBlock.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/blocks/wpBlock.php      2022-09-15 10:53:18 UTC (rev 54174)
+++ trunk/tests/phpunit/tests/blocks/wpBlock.php        2022-09-15 11:39:43 UTC (rev 54175)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -437,6 +437,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                'categoryIds' => array( 56 ),
</span><span class="cx" style="display: block; padding: 0 10px">                                'orderBy'     => 'title',
</span><span class="cx" style="display: block; padding: 0 10px">                                'tagIds'      => array( 3, 11, 10 ),
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                'parents'     => array( 1, 2 ),
</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">                $block         = new WP_Block( $parsed_block, $context, $this->registry );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -445,11 +446,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame(
</span><span class="cx" style="display: block; padding: 0 10px">                        $query,
</span><span class="cx" style="display: block; padding: 0 10px">                        array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'post_type'    => 'page',
-                               'order'        => 'DESC',
-                               'orderby'      => 'title',
-                               'post__not_in' => array( 1, 2 ),
-                               'tax_query'    => array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'post_type'       => 'page',
+                               'order'           => 'DESC',
+                               'orderby'         => 'title',
+                               'post__not_in'    => array( 1, 2 ),
+                               'tax_query'       => array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                         array(
</span><span class="cx" style="display: block; padding: 0 10px">                                                'taxonomy'         => 'category',
</span><span class="cx" style="display: block; padding: 0 10px">                                                'terms'            => array( 56 ),
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -461,6 +462,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                                'include_children' => false,
</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">+                                'post_parent__in' => array( 1, 2 ),
</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">@@ -585,6 +587,42 @@
</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 56467
+        */
+       public function test_query_loop_block_query_vars_filter() {
+               $this->registry->register(
+                       'core/example',
+                       array( 'uses_context' => array( 'query' ) )
+               );
+
+               $parsed_blocks = parse_blocks( '<!-- wp:example {"ok":true} -->a<!-- wp:example /-->b<!-- /wp:example -->' );
+               $parsed_block  = $parsed_blocks[0];
+               $context       = array(
+                       'query' => array(
+                               'postType' => 'page',
+                               'orderBy'  => 'title',
+                       ),
+               );
+               $block         = new WP_Block( $parsed_block, $context, $this->registry );
+               function filterQuery( $query, $block, $page ) {
+                       $query['post_type'] = 'book';
+                       return $query;
+               }
+               add_filter( 'query_loop_block_query_vars', 'filterQuery', 10, 3 );
+               $query = build_query_vars_from_query_block( $block, 1 );
+               remove_filter( 'query_loop_block_query_vars', 'filterQuery' );
+               $this->assertSame(
+                       $query,
+                       array(
+                               'post_type'    => 'book',
+                               'order'        => 'DESC',
+                               'orderby'      => 'title',
+                               'post__not_in' => array(),
+                       )
+               );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * @ticket 52991
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_block_has_support() {
</span></span></pre>
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