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<title>[48436] trunk/src/wp-admin/includes/meta-boxes.php: Revisions: Replace `array_shift()` with `reset()` in `register_and_do_post_meta_boxes()` for better performance.</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/48436">48436</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/48436","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2020-07-11 12:28:07 +0000 (Sat, 11 Jul 2020)</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'>Revisions: Replace `array_shift()` with `reset()` in `register_and_do_post_meta_boxes()` for better performance.
Follow-up to <a href="https://core.trac.wordpress.org/changeset/31829">[31829]</a>, <a href="https://core.trac.wordpress.org/changeset/48422">[48422]</a>.
See <a href="https://core.trac.wordpress.org/ticket/34560">#34560</a>.</pre>
<h3>Modified Paths</h3>
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<li><a href="#trunksrcwpadminincludesmetaboxesphp">trunk/src/wp-admin/includes/meta-boxes.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesmetaboxesphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/meta-boxes.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/meta-boxes.php 2020-07-11 12:12:46 UTC (rev 48435)
+++ trunk/src/wp-admin/includes/meta-boxes.php 2020-07-11 12:28:07 UTC (rev 48436)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1436,17 +1436,18 @@
</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"> $publish_callback_args = array( '__back_compat_meta_box' => true );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( post_type_supports( $post_type, 'revisions' ) && 'auto-draft' !== $post->post_status ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $revisions = wp_get_post_revisions( $post->ID, array( 'fields' => 'ids' ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // We should aim to show the revisions meta box only when there are revisions.
</span><span class="cx" style="display: block; padding: 0 10px"> if ( count( $revisions ) > 1 ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- reset( $revisions ); // Reset pointer for key().
</del><span class="cx" style="display: block; padding: 0 10px"> $publish_callback_args = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'revisions_count' => count( $revisions ),
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'revision_id' => array_shift( $revisions ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'revision_id' => reset( $revisions ),
</ins><span class="cx" style="display: block; padding: 0 10px"> '__back_compat_meta_box' => true,
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px"> add_meta_box( 'revisionsdiv', __( 'Revisions' ), 'post_revisions_meta_box', null, 'normal', 'core', array( '__back_compat_meta_box' => true ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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