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<title>[10969] sites/trunk/wp-themes.com/public_html/wp-content/mu-plugins/pub/namespace-transients.php: Theme Previewer: Vary some transients by theme.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/10969">10969</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/10969","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dd32</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-05-13 01:58:45 +0000 (Thu, 13 May 2021)</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'>Theme Previewer: Vary some transients by theme.
This varies the `global_styles` transient by theme, as Gutenberg doesn't key it by the active theme.
See https://wordpress.slack.com/archives/C02QB8GMM/p1620836577000400</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#sitestrunkwpthemescompublic_htmlwpcontentmupluginspubnamespacetransientsphp">sites/trunk/wp-themes.com/public_html/wp-content/mu-plugins/pub/namespace-transients.php</a></li>
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<h3>Diff</h3>
<a id="sitestrunkwpthemescompublic_htmlwpcontentmupluginspubnamespacetransientsphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wp-themes.com/public_html/wp-content/mu-plugins/pub/namespace-transients.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wp-themes.com/public_html/wp-content/mu-plugins/pub/namespace-transients.php (rev 0)
+++ sites/trunk/wp-themes.com/public_html/wp-content/mu-plugins/pub/namespace-transients.php 2021-05-13 01:58:45 UTC (rev 10969)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,35 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+namespace WordPressdotorg\Theme_Preview\Namespace_Transients;
+/**
+ * Plugin Name: Namespace transients
+ * Description: Namespaces some transients that need to differ between themes.
+ */
+
+function namespace_transients() {
+ $transients_to_key = array(
+ // Gutenberg uses the global_styles transient, but doesn't vary by theme.
+ 'global_styles',
+ );
+ foreach ( $transients_to_key as $transient ) {
+ add_filter( "pre_transient_{$transient}", __NAMESPACE__ . '\get', 10, 2 );
+ add_filter( "pre_set_transient_{$transient}", __NAMESPACE__ . '\set', 10, 3 );
+ }
+}
+namespace_transients();
+
+/**
+ * Namespace a transient to be unique per theme.
+ */
+function get( $value, $transient ) {
+ return get_transient( get_option( 'stylesheet' ) . '_' . $transient ) ?: '';
+}
+
+/**
+ * Namespace a transient set to be unique per theme.
+ */
+function set( $value, $expiration, $transient ) {
+ set_transient( get_option( 'stylesheet' ) . '_' . $transient, $value, $expiration );
+
+ // Return false to cache false in the original transient, can't avoid it being set.
+ return false;
+}
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of file
</span><span class="cx" style="display: block; padding: 0 10px">Property changes on: sites/trunk/wp-themes.com/public_html/wp-content/mu-plugins/pub/namespace-transients.php
</span><span class="cx" style="display: block; padding: 0 10px">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: svn:eol-style</h4></div>
<ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+native
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
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