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<title>[57155] trunk/src: Themes: Clean up inactive themes' theme mods from being autoloaded as part of upcoming 6.5 upgrade routine.</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/57155">57155</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/57155","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>flixos90</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-12-04 19:49:18 +0000 (Mon, 04 Dec 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'>Themes: Clean up inactive themes' theme mods from being autoloaded as part of upcoming 6.5 upgrade routine.
Alongside <a href="https://core.trac.wordpress.org/changeset/57153">[57153]</a>, this reduces unnecessarily autoloaded data from inactive themes, which can contribute to slow database performance as part of excessive autoloading. This changeset specifically resolves the issue for existing sites.
Props mukesh27, joemcgill, swissspidy, westonruter, flixos90.
Fixes <a href="https://core.trac.wordpress.org/ticket/59975">#59975</a>.
See <a href="https://core.trac.wordpress.org/ticket/39537">#39537</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesupgradephp">trunk/src/wp-admin/includes/upgrade.php</a></li>
<li><a href="#trunksrcwpincludesversionphp">trunk/src/wp-includes/version.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesupgradephp"></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/upgrade.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/upgrade.php 2023-12-04 19:42:44 UTC (rev 57154)
+++ trunk/src/wp-admin/includes/upgrade.php 2023-12-04 19:49:18 UTC (rev 57155)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -843,6 +843,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> upgrade_640();
</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">+ if ( $wp_current_db_version < 57155 ) {
+ upgrade_650();
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> maybe_disable_link_manager();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> maybe_disable_automattic_widgets();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2350,6 +2354,35 @@
</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">+ * Executes changes made in WordPress 6.5.0.
+ *
+ * @ignore
+ * @since 6.5.0
+ *
+ * @global int $wp_current_db_version The old (current) database version.
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_650() {
+ global $wp_current_db_version, $wpdb;
+
+ if ( $wp_current_db_version < 57155 ) {
+ $stylesheet = get_stylesheet();
+
+ // Set autoload=no for all themes except the current one.
+ $theme_mods_options = $wpdb->get_col(
+ $wpdb->prepare(
+ "SELECT option_name FROM $wpdb->options WHERE autoload = 'yes' AND option_name != %s AND option_name LIKE %s",
+ "theme_mods_$stylesheet",
+ $wpdb->esc_like( 'theme_mods_' ) . '%'
+ )
+ );
+
+ $autoload = array_fill_keys( $theme_mods_options, 'no' );
+ wp_set_option_autoload_values( $autoload );
+ }
+}
+
+/**
</ins><span class="cx" style="display: block; padding: 0 10px"> * Executes network-level upgrade routines.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 3.0.0
</span></span></pre></div>
<a id="trunksrcwpincludesversionphp"></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/version.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/version.php 2023-12-04 19:42:44 UTC (rev 57154)
+++ trunk/src/wp-includes/version.php 2023-12-04 19:49:18 UTC (rev 57155)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -23,7 +23,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @global int $wp_db_version
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-$wp_db_version = 56657;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+$wp_db_version = 57155;
</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"> * Holds the TinyMCE version.
</span></span></pre>
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