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<title>[55447] trunk/src/wp-includes/blocks.php: Editor: Exclude non-sticky posts in Query Loop Block when set to "Only".</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/55447">55447</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/55447","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>hellofromTonya</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-03-01 16:13:15 +0000 (Wed, 01 Mar 2023)</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: Exclude non-sticky posts in Query Loop Block when set to "Only".

Fixes a front-end issue to not include non-sticky posts in the Query Loop block when it's "Sticky Post" is set to "Only", meaning only show sticky posts.

This change was made in Gutenberg between 5.8 to 6.0, but was not merged into Core.

Reference:
* [https://github.com/WordPress/gutenberg/blob/42dad571eac32c41a7ff34f0da80fcc4e5ceb3bd/lib/compat/wordpress-6.1/blocks.php#L171-L183 Gutenberg code]

Follow-up to <a href="https://core.trac.wordpress.org/changeset/50945">[50945]</a>.

Props RavanH, sc0ttkclark, ocean90, sc0ttkclark, hellofromTonya, ntsekouras.
Fixes <a href="https://core.trac.wordpress.org/ticket/57822">#57822</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesblocksphp">trunk/src/wp-includes/blocks.php</a></li>
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<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  2023-03-01 15:56:50 UTC (rev 55446)
+++ trunk/src/wp-includes/blocks.php    2023-03-01 16:13:15 UTC (rev 55447)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1265,7 +1265,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                if ( isset( $block->context['query']['sticky'] ) && ! empty( $block->context['query']['sticky'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $sticky = get_option( 'sticky_posts' );
</span><span class="cx" style="display: block; padding: 0 10px">                        if ( 'only' === $block->context['query']['sticky'] ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                $query['post__in'] = $sticky;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         /*
+                                * Passing an empty array to post__in will return have_posts() as true (and all posts will be returned).
+                                * Logic should be used before hand to determine if WP_Query should be used in the event that the array
+                                * being passed to post__in is empty.
+                                *
+                                * @see https://core.trac.wordpress.org/ticket/28099
+                                */
+                               $query['post__in']            = ! empty( $sticky ) ? $sticky : array( 0 );
+                               $query['ignore_sticky_posts'] = 1;
</ins><span class="cx" style="display: block; padding: 0 10px">                         } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                $query['post__not_in'] = array_merge( $query['post__not_in'], $sticky );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span></span></pre>
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