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Improve caching in wp_get_global_styles_svg_filters #3926

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Improve caching in wp_get_global_styles_svg_filters #3926

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dce8dcc
Change object caching over transient api.
spacedmonkey Jan 27, 2023
5448f9c
Merge
spacedmonkey Jan 30, 2023
117e55d
Update comment based on feedback.
spacedmonkey Jan 30, 2023
ae4cbee
Remove is_admin
spacedmonkey Jan 30, 2023
6a02b20
Add a unit test.
spacedmonkey Jan 30, 2023
026255f
Merge branch 'trunk' into fix/svg-caching-1
felixarntz Feb 1, 2023
7bcd1cd
Update ticket reference.
felixarntz Feb 1, 2023
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24 changes: 12 additions & 12 deletions src/wp-includes/global-styles-and-settings.php
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Original file line number Diff line number Diff line change
Expand Up @@ -233,17 +233,17 @@ function wp_get_global_stylesheet( $types = array() ) {
* @return string
*/
function wp_get_global_styles_svg_filters() {
// 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();
/*
* 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';
if ( $can_use_cached ) {
$cached = get_transient( $transient_name );
$cached = wp_cache_get( $cache_key, $cache_group );
if ( $cached ) {
return $cached;
}
Expand All @@ -260,8 +260,7 @@ function wp_get_global_styles_svg_filters() {
$svgs = $tree->get_svg_filters( $origins );

if ( $can_use_cached ) {
// Cache for a minute, same as wp_get_global_stylesheet.
set_transient( $transient_name, $svgs, MINUTE_IN_SECONDS );
wp_cache_set( $cache_key, $svgs, $cache_group );
}

return $svgs;
Expand Down Expand Up @@ -367,6 +366,7 @@ function wp_theme_has_theme_json() {
*/
function wp_clean_theme_json_cache() {
wp_cache_delete( 'wp_get_global_stylesheet', 'theme_json' );
wp_cache_delete( 'wp_get_global_styles_svg_filters', 'theme_json' );
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wp_cache_delete( 'wp_get_global_settings_custom', 'theme_json' );
wp_cache_delete( 'wp_get_global_settings_theme', 'theme_json' );
WP_Theme_JSON_Resolver::clean_cached_data();
Expand Down