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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/57683">57683</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/57683","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>joemcgill</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-02-21 18:48:30 +0000 (Wed, 21 Feb 2024)</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: Load pattern content only when used.

Previously, the content for all registered patterns would get loaded on each request when the patterns are registered. Instead, this stores the path the pattern file during registration and reads the content the first time the pattern is used, which is a performance optimization.

Props thekt12, spacedmonkey, gziolo, aristath, joemcgill.
Fixes <a href="https://core.trac.wordpress.org/ticket/59532">#59532</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesblockpatternsphp">trunk/src/wp-includes/block-patterns.php</a></li>
<li><a href="#trunksrcwpincludesclasswpblockpatternsregistryphp">trunk/src/wp-includes/class-wp-block-patterns-registry.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesblockpatternsphp"></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/block-patterns.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/block-patterns.php  2024-02-21 18:37:29 UTC (rev 57682)
+++ trunk/src/wp-includes/block-patterns.php    2024-02-21 18:48:30 UTC (rev 57683)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -391,13 +391,7 @@
</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">-                        // The actual pattern content is the output of the file.
-                       ob_start();
-                       include $file_path;
-                       $pattern_data['content'] = ob_get_clean();
-                       if ( ! $pattern_data['content'] ) {
-                               continue;
-                       }
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $pattern_data['file_path'] = $file_path;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        // Translate the pattern metadata.
</span><span class="cx" style="display: block; padding: 0 10px">                        // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain,WordPress.WP.I18n.LowLevelTranslationFunction
</span></span></pre></div>
<a id="trunksrcwpincludesclasswpblockpatternsregistryphp"></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-block-patterns-registry.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-block-patterns-registry.php        2024-02-21 18:37:29 UTC (rev 57682)
+++ trunk/src/wp-includes/class-wp-block-patterns-registry.php  2024-02-21 18:48:30 UTC (rev 57683)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -101,13 +101,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        return false;
</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">-                if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {
-                       _doing_it_wrong(
-                               __METHOD__,
-                               __( 'Pattern content must be a string.' ),
-                               '5.5.0'
-                       );
-                       return false;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( ! isset( $pattern_properties['file_path'] ) ) {
+                       if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {
+                               _doing_it_wrong(
+                                       __METHOD__,
+                                       __( 'Pattern content must be a string.' ),
+                                       '5.5.0'
+                               );
+                               return false;
+                       }
</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">                $pattern = array_merge(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -178,6 +180,30 @@
</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">+         * Retrieves the content of a registered block pattern.
+        *
+        * @since 6.5.0
+        *
+        * @param string $pattern_name      Block pattern name including namespace.
+        * @param bool   $outside_init_only Optional. Return only patterns registered outside the `init` action. Default false.
+        * @return string The content of the block pattern.
+        */
+       private function get_content( $pattern_name, $outside_init_only = false ) {
+               if ( $outside_init_only ) {
+                       $patterns = &$this->registered_patterns_outside_init;
+               } else {
+                       $patterns = &$this->registered_patterns;
+               }
+               if ( ! isset( $patterns[ $pattern_name ]['content'] ) && isset( $patterns[ $pattern_name ]['file_path'] ) ) {
+                       ob_start();
+                       include $patterns[ $pattern_name ]['file_path'];
+                       $patterns[ $pattern_name ]['content'] = ob_get_clean();
+                       unset( $patterns[ $pattern_name ]['file_path'] );
+               }
+               return $patterns[ $pattern_name ]['content'];
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * Retrieves an array containing the properties of a registered block pattern.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 5.5.0
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -191,6 +217,7 @@
</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">                $pattern            = $this->registered_patterns[ $pattern_name ];
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                $pattern['content'] = $this->get_content( $pattern_name );
</ins><span class="cx" style="display: block; padding: 0 10px">                 $pattern['content'] = $this->prepare_content( $pattern, get_hooked_blocks() );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                return $pattern;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -206,16 +233,17 @@
</span><span class="cx" style="display: block; padding: 0 10px">         *                 and per style.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function get_all_registered( $outside_init_only = false ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $patterns      = array_values(
-                       $outside_init_only
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $patterns      = $outside_init_only
</ins><span class="cx" style="display: block; padding: 0 10px">                                 ? $this->registered_patterns_outside_init
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                : $this->registered_patterns
-               );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         : $this->registered_patterns;
</ins><span class="cx" style="display: block; padding: 0 10px">                 $hooked_blocks = get_hooked_blocks();
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins><span class="cx" style="display: block; padding: 0 10px">                 foreach ( $patterns as $index => $pattern ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        $pattern['content']            = $this->get_content( $pattern['name'], $outside_init_only );
</ins><span class="cx" style="display: block; padding: 0 10px">                         $patterns[ $index ]['content'] = $this->prepare_content( $pattern, $hooked_blocks );
</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 $patterns;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               return array_values( $patterns );
</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>
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