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045b72564b
Props dd32, ntsekouras. Fixes #58460. Built from https://develop.svn.wordpress.org/trunk@55983 git-svn-id: http://core.svn.wordpress.org/trunk@55495 1a063a9b-81f0-0310-95a4-ce76da25c4cd
442 lines
14 KiB
PHP
442 lines
14 KiB
PHP
<?php
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/**
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* APIs to interact with global settings & styles.
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*
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* @package WordPress
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*/
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/**
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* Gets the settings resulting of merging core, theme, and user data.
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*
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* @since 5.9.0
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*
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* @param array $path Path to the specific setting to retrieve. Optional.
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* If empty, will return all settings.
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* @param array $context {
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* Metadata to know where to retrieve the $path from. Optional.
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*
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* @type string $block_name Which block to retrieve the settings from.
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* If empty, it'll return the settings for the global context.
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* @type string $origin Which origin to take data from.
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* Valid values are 'all' (core, theme, and user) or 'base' (core and theme).
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* If empty or unknown, 'all' is used.
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* }
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* @return mixed The settings array or individual setting value to retrieve.
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*/
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function wp_get_global_settings( $path = array(), $context = array() ) {
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if ( ! empty( $context['block_name'] ) ) {
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$new_path = array( 'blocks', $context['block_name'] );
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foreach ( $path as $subpath ) {
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$new_path[] = $subpath;
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}
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$path = $new_path;
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}
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/*
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* This is the default value when no origin is provided or when it is 'all'.
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*
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* The $origin is used as part of the cache key. Changes here need to account
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* for clearing the cache appropriately.
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*/
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$origin = 'custom';
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if (
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! wp_theme_has_theme_json() ||
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( isset( $context['origin'] ) && 'base' === $context['origin'] )
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) {
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$origin = 'theme';
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}
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/*
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* By using the 'theme_json' group, this data is marked to be non-persistent across requests.
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* See `wp_cache_add_non_persistent_groups` in src/wp-includes/load.php and other places.
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*
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* The rationale for this is to make sure derived data from theme.json
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* is always fresh from the potential modifications done via hooks
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* that can use dynamic data (modify the stylesheet depending on some option,
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* settings depending on user permissions, etc.).
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* See some of the existing hooks to modify theme.json behaviour:
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* https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
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*
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* A different alternative considered was to invalidate the cache upon certain
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* events such as options add/update/delete, user meta, etc.
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* It was judged not enough, hence this approach.
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* See https://github.com/WordPress/gutenberg/pull/45372
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*/
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$cache_group = 'theme_json';
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$cache_key = 'wp_get_global_settings_' . $origin;
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/*
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* Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme
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* developer's workflow.
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*
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* @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
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*/
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$can_use_cached = ! WP_DEBUG;
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$settings = false;
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if ( $can_use_cached ) {
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$settings = wp_cache_get( $cache_key, $cache_group );
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}
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if ( false === $settings ) {
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$settings = WP_Theme_JSON_Resolver::get_merged_data( $origin )->get_settings();
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if ( $can_use_cached ) {
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wp_cache_set( $cache_key, $settings, $cache_group );
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}
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}
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return _wp_array_get( $settings, $path, $settings );
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}
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/**
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* Gets the styles resulting of merging core, theme, and user data.
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*
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* @since 5.9.0
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* @since 6.3.0 the internal format "var:preset|color|secondary" is always resolved
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* to the standard form "var(--wp--preset--font-size--small)".
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*
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* @param array $path Path to the specific style to retrieve. Optional.
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* If empty, will return all styles.
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* @param array $context {
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* Metadata to know where to retrieve the $path from. Optional.
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*
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* @type string $block_name Which block to retrieve the styles from.
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* If empty, it'll return the styles for the global context.
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* @type string $origin Which origin to take data from.
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* Valid values are 'all' (core, theme, and user) or 'base' (core and theme).
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* If empty or unknown, 'all' is used.
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* }
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* @return mixed The styles array or individual style value to retrieve.
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*/
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function wp_get_global_styles( $path = array(), $context = array() ) {
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if ( ! empty( $context['block_name'] ) ) {
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$path = array_merge( array( 'blocks', $context['block_name'] ), $path );
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}
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$origin = 'custom';
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if ( isset( $context['origin'] ) && 'base' === $context['origin'] ) {
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$origin = 'theme';
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}
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$styles = WP_Theme_JSON_Resolver::get_merged_data( $origin )->get_raw_data()['styles'];
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return _wp_array_get( $styles, $path, $styles );
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}
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/**
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* Returns the stylesheet resulting of merging core, theme, and user data.
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*
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* @since 5.9.0
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* @since 6.1.0 Added 'base-layout-styles' support.
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*
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* @param array $types Optional. Types of styles to load.
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* It accepts as values 'variables', 'presets', 'styles', 'base-layout-styles'.
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* If empty, it'll load the following:
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* - for themes without theme.json: 'variables', 'presets', 'base-layout-styles'.
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* - for themes with theme.json: 'variables', 'presets', 'styles'.
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* @return string Stylesheet.
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*/
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function wp_get_global_stylesheet( $types = array() ) {
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/*
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* Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme
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* developer's workflow.
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*
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* @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
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*/
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$can_use_cached = empty( $types ) && ! WP_DEBUG;
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/*
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* By using the 'theme_json' group, this data is marked to be non-persistent across requests.
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* @see `wp_cache_add_non_persistent_groups()`.
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*
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* The rationale for this is to make sure derived data from theme.json
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* is always fresh from the potential modifications done via hooks
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* that can use dynamic data (modify the stylesheet depending on some option,
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* settings depending on user permissions, etc.).
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* See some of the existing hooks to modify theme.json behavior:
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* @see https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
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*
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* A different alternative considered was to invalidate the cache upon certain
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* events such as options add/update/delete, user meta, etc.
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* It was judged not enough, hence this approach.
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* @see https://github.com/WordPress/gutenberg/pull/45372
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*/
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$cache_group = 'theme_json';
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$cache_key = 'wp_get_global_stylesheet';
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if ( $can_use_cached ) {
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$cached = wp_cache_get( $cache_key, $cache_group );
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if ( $cached ) {
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return $cached;
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}
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}
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$tree = WP_Theme_JSON_Resolver::get_merged_data();
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$supports_theme_json = wp_theme_has_theme_json();
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if ( empty( $types ) && ! $supports_theme_json ) {
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$types = array( 'variables', 'presets', 'base-layout-styles' );
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} elseif ( empty( $types ) ) {
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$types = array( 'variables', 'styles', 'presets' );
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}
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/*
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* If variables are part of the stylesheet, then add them.
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* This is so themes without a theme.json still work as before 5.9:
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* they can override the default presets.
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* See https://core.trac.wordpress.org/ticket/54782
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*/
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$styles_variables = '';
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if ( in_array( 'variables', $types, true ) ) {
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/*
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* Only use the default, theme, and custom origins. Why?
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* Because styles for `blocks` origin are added at a later phase
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* (i.e. in the render cycle). Here, only the ones in use are rendered.
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* @see wp_add_global_styles_for_blocks
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*/
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$origins = array( 'default', 'theme', 'custom' );
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$styles_variables = $tree->get_stylesheet( array( 'variables' ), $origins );
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$types = array_diff( $types, array( 'variables' ) );
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}
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/*
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* For the remaining types (presets, styles), we do consider origins:
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*
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* - themes without theme.json: only the classes for the presets defined by core
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* - themes with theme.json: the presets and styles classes, both from core and the theme
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*/
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$styles_rest = '';
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if ( ! empty( $types ) ) {
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/*
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* Only use the default, theme, and custom origins. Why?
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* Because styles for `blocks` origin are added at a later phase
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* (i.e. in the render cycle). Here, only the ones in use are rendered.
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* @see wp_add_global_styles_for_blocks
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*/
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$origins = array( 'default', 'theme', 'custom' );
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if ( ! $supports_theme_json ) {
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$origins = array( 'default' );
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}
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$styles_rest = $tree->get_stylesheet( $types, $origins );
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}
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$stylesheet = $styles_variables . $styles_rest;
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if ( $can_use_cached ) {
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wp_cache_set( $cache_key, $stylesheet, $cache_group );
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}
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return $stylesheet;
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}
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/**
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* Gets the global styles custom CSS from theme.json.
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*
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* @since 6.2.0
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*
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* @return string The global styles custom CSS.
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*/
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function wp_get_global_styles_custom_css() {
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if ( ! wp_theme_has_theme_json() ) {
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return '';
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}
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/*
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* Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme
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* developer's workflow.
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*
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* @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
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*/
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$can_use_cached = ! WP_DEBUG;
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/*
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* By using the 'theme_json' group, this data is marked to be non-persistent across requests.
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* @see `wp_cache_add_non_persistent_groups()`.
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*
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* The rationale for this is to make sure derived data from theme.json
|
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* is always fresh from the potential modifications done via hooks
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|
* that can use dynamic data (modify the stylesheet depending on some option,
|
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* settings depending on user permissions, etc.).
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* See some of the existing hooks to modify theme.json behavior:
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* @see https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
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*
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* A different alternative considered was to invalidate the cache upon certain
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* events such as options add/update/delete, user meta, etc.
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* It was judged not enough, hence this approach.
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* @see https://github.com/WordPress/gutenberg/pull/45372
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*/
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$cache_key = 'wp_get_global_styles_custom_css';
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$cache_group = 'theme_json';
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if ( $can_use_cached ) {
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$cached = wp_cache_get( $cache_key, $cache_group );
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if ( $cached ) {
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return $cached;
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}
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}
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$tree = WP_Theme_JSON_Resolver::get_merged_data();
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$stylesheet = $tree->get_custom_css();
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if ( $can_use_cached ) {
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wp_cache_set( $cache_key, $stylesheet, $cache_group );
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}
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return $stylesheet;
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}
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/**
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* Returns a string containing the SVGs to be referenced as filters (duotone).
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*
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* @since 5.9.1
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*
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* @return string
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*/
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function wp_get_global_styles_svg_filters() {
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/*
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* Ignore cache when `WP_DEBUG` is enabled, so it doesn't interfere with the theme
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* developer's workflow.
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*
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* @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
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*/
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$can_use_cached = ! WP_DEBUG;
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$cache_group = 'theme_json';
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$cache_key = 'wp_get_global_styles_svg_filters';
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if ( $can_use_cached ) {
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$cached = wp_cache_get( $cache_key, $cache_group );
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if ( $cached ) {
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return $cached;
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}
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}
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$supports_theme_json = wp_theme_has_theme_json();
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$origins = array( 'default', 'theme', 'custom' );
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if ( ! $supports_theme_json ) {
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$origins = array( 'default' );
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}
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$tree = WP_Theme_JSON_Resolver::get_merged_data();
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$svgs = $tree->get_svg_filters( $origins );
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if ( $can_use_cached ) {
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wp_cache_set( $cache_key, $svgs, $cache_group );
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}
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return $svgs;
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}
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/**
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* Adds global style rules to the inline style for each block.
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*
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* @since 6.1.0
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*/
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function wp_add_global_styles_for_blocks() {
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$tree = WP_Theme_JSON_Resolver::get_merged_data();
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$block_nodes = $tree->get_styles_block_nodes();
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foreach ( $block_nodes as $metadata ) {
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$block_css = $tree->get_styles_for_block( $metadata );
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if ( ! wp_should_load_separate_core_block_assets() ) {
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wp_add_inline_style( 'global-styles', $block_css );
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continue;
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}
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$stylesheet_handle = 'global-styles';
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if ( isset( $metadata['name'] ) ) {
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/*
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* These block styles are added on block_render.
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* This hooks inline CSS to them so that they are loaded conditionally
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* based on whether or not the block is used on the page.
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*/
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if ( str_starts_with( $metadata['name'], 'core/' ) ) {
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$block_name = str_replace( 'core/', '', $metadata['name'] );
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$stylesheet_handle = 'wp-block-' . $block_name;
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}
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wp_add_inline_style( $stylesheet_handle, $block_css );
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}
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// The likes of block element styles from theme.json do not have $metadata['name'] set.
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if ( ! isset( $metadata['name'] ) && ! empty( $metadata['path'] ) ) {
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$result = array_values(
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array_filter(
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$metadata['path'],
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function ( $item ) {
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if ( strpos( $item, 'core/' ) !== false ) {
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return true;
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}
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return false;
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}
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)
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);
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if ( isset( $result[0] ) ) {
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if ( str_starts_with( $result[0], 'core/' ) ) {
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$block_name = str_replace( 'core/', '', $result[0] );
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$stylesheet_handle = 'wp-block-' . $block_name;
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}
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wp_add_inline_style( $stylesheet_handle, $block_css );
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}
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}
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}
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}
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/**
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* Checks whether a theme or its parent has a theme.json file.
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*
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* @since 6.2.0
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*
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* @return bool Returns true if theme or its parent has a theme.json file, false otherwise.
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*/
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function wp_theme_has_theme_json() {
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static $theme_has_support = null;
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if (
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null !== $theme_has_support &&
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/*
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* Ignore static cache when `WP_DEBUG` is enabled. Why? To avoid interfering with
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* the theme developer's workflow.
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*
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* @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
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*/
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! WP_DEBUG &&
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/*
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* Ignore cache when automated test suites are running. Why? To ensure
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* the static cache is reset between each test.
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*/
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! ( defined( 'WP_RUN_CORE_TESTS' ) && WP_RUN_CORE_TESTS )
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) {
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return $theme_has_support;
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}
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// Does the theme have its own theme.json?
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$theme_has_support = is_readable( get_stylesheet_directory() . '/theme.json' );
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// Look up the parent if the child does not have a theme.json.
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if ( ! $theme_has_support ) {
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$theme_has_support = is_readable( get_template_directory() . '/theme.json' );
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}
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return $theme_has_support;
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}
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/**
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* Cleans the caches under the theme_json group.
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*
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* @since 6.2.0
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*/
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function wp_clean_theme_json_cache() {
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wp_cache_delete( 'wp_get_global_stylesheet', 'theme_json' );
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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' );
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wp_cache_delete( 'wp_get_global_settings_theme', 'theme_json' );
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wp_cache_delete( 'wp_get_global_styles_custom_css', 'theme_json' );
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WP_Theme_JSON_Resolver::clean_cached_data();
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}
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/**
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* Returns the current theme's wanted patterns (slugs) to be
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* registered from Pattern Directory.
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*
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* @since 6.3.0
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*
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* @return string[]
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*/
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function wp_get_theme_directory_pattern_slugs() {
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return WP_Theme_JSON_Resolver::get_theme_data( array(), array( 'with_supports' => false ) )->get_patterns();
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}
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