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<title>[55185] trunk: Editor: Use a non-persistent object cache instead of transient in `wp_get_global_stylesheet()`.</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/55185">55185</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/55185","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>2023-02-01 22:57:04 +0000 (Wed, 01 Feb 2023)</dd>
</dl>
<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: Use a non-persistent object cache instead of transient in `wp_get_global_stylesheet()`.
This changeset is part of a greater effort to enhance the caching strategy for theme.json based data. Similar to <a href="https://core.trac.wordpress.org/changeset/55138">[55138]</a>, <a href="https://core.trac.wordpress.org/changeset/55148">[55148]</a>, and <a href="https://core.trac.wordpress.org/changeset/55155">[55155]</a>, the cache is currently ignored when `WP_DEBUG` is on to avoid interrupting the theme developer's workflow.
Props spacedmonkey, oandregal, flixos90, ajlende, hellofromtonya.
Fixes <a href="https://core.trac.wordpress.org/ticket/57568">#57568</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesglobalstylesandsettingsphp">trunk/src/wp-includes/global-styles-and-settings.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunktestsphpunitteststhemewpGetGlobalStylesSvgFiltersphp">trunk/tests/phpunit/tests/theme/wpGetGlobalStylesSvgFilters.php</a></li>
</ul>
</div>
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<h3>Diff</h3>
<a id="trunksrcwpincludesglobalstylesandsettingsphp"></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/global-styles-and-settings.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/global-styles-and-settings.php 2023-02-01 22:50:11 UTC (rev 55184)
+++ trunk/src/wp-includes/global-styles-and-settings.php 2023-02-01 22:57:04 UTC (rev 55185)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -233,17 +233,17 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @return string
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function wp_get_global_styles_svg_filters() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Return cached value if it can be used and exists.
- // It's cached by theme to make sure that theme switching clears the cache.
- $can_use_cached = (
- ( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) &&
- ( ! defined( 'SCRIPT_DEBUG' ) || ! SCRIPT_DEBUG ) &&
- ( ! defined( 'REST_REQUEST' ) || ! REST_REQUEST ) &&
- ! is_admin()
- );
- $transient_name = 'global_styles_svg_filters_' . get_stylesheet();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /*
+ * Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme
+ * developer's workflow.
+ *
+ * @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
+ */
+ $can_use_cached = ! WP_DEBUG;
+ $cache_group = 'theme_json';
+ $cache_key = 'wp_get_global_styles_svg_filters';
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $can_use_cached ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $cached = get_transient( $transient_name );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $cached = wp_cache_get( $cache_key, $cache_group );
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $cached ) {
</span><span class="cx" style="display: block; padding: 0 10px"> return $cached;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -260,8 +260,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $svgs = $tree->get_svg_filters( $origins );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $can_use_cached ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- // Cache for a minute, same as wp_get_global_stylesheet.
- set_transient( $transient_name, $svgs, MINUTE_IN_SECONDS );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ wp_cache_set( $cache_key, $svgs, $cache_group );
</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"> return $svgs;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -367,6 +366,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> function wp_clean_theme_json_cache() {
</span><span class="cx" style="display: block; padding: 0 10px"> wp_cache_delete( 'wp_get_global_stylesheet', 'theme_json' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ wp_cache_delete( 'wp_get_global_styles_svg_filters', 'theme_json' );
</ins><span class="cx" style="display: block; padding: 0 10px"> wp_cache_delete( 'wp_get_global_settings_custom', 'theme_json' );
</span><span class="cx" style="display: block; padding: 0 10px"> wp_cache_delete( 'wp_get_global_settings_theme', 'theme_json' );
</span><span class="cx" style="display: block; padding: 0 10px"> WP_Theme_JSON_Resolver::clean_cached_data();
</span></span></pre></div>
<a id="trunktestsphpunitteststhemewpGetGlobalStylesSvgFiltersphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/tests/phpunit/tests/theme/wpGetGlobalStylesSvgFilters.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/theme/wpGetGlobalStylesSvgFilters.php (rev 0)
+++ trunk/tests/phpunit/tests/theme/wpGetGlobalStylesSvgFilters.php 2023-02-01 22:57:04 UTC (rev 55185)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,37 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Tests wp_get_global_styles_svg_filters().
+ *
+ * @group themes
+ */
+class Tests_Theme_wpGetGlobalStylesSvgFilters extends WP_UnitTestCase {
+ public function set_up() {
+ parent::set_up();
+ // Clear caches.
+ wp_clean_themes_cache();
+ }
+
+ public function tear_down() {
+ wp_clean_themes_cache();
+
+ parent::tear_down();
+ }
+
+ /**
+ * Tests that switching themes recalculates the svgs.
+ *
+ * @covers ::wp_get_global_styles_svg_filters
+ *
+ * @ticket 57568
+ */
+ public function test_switching_themes_should_recalculate_svg() {
+ $svg_for_default_theme = wp_get_global_styles_svg_filters();
+ switch_theme( 'block-theme' );
+ $svg_for_block_theme = wp_get_global_styles_svg_filters();
+ switch_theme( WP_DEFAULT_THEME );
+
+ $this->assertStringContainsString( '<svg', $svg_for_default_theme, 'Default theme should contain SVG' );
+ $this->assertStringContainsString( '<svg', $svg_for_default_theme, 'Block theme should contain SVG' );
+ $this->assertNotSame( $svg_for_default_theme, $svg_for_block_theme, 'Cache value should have changed' );
+ }
+}
</ins><span class="cx" style="display: block; padding: 0 10px">Property changes on: trunk/tests/phpunit/tests/theme/wpGetGlobalStylesSvgFilters.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
</span></div>
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