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ðŸ“ ..
ðŸ“ ID3
ðŸ“ IXR
ðŸ“ PHPMailer
ðŸ“ Requests
ðŸ“ SimplePie
ðŸ“ Text
ðŸ“„ admin-bar.php(33.55 KB)
ðŸ“ assets
ðŸ“„ atomlib.php(11.67 KB)
ðŸ“„ author-template.php(18.43 KB)
ðŸ“„ block-editor.php(23.61 KB)
ðŸ“„ block-i18n.json(316 B)
ðŸ“ block-patterns
ðŸ“„ block-patterns.php(15.07 KB)
ðŸ“ block-supports
ðŸ“„ block-template-utils.php(44.99 KB)
ðŸ“„ block-template.php(10.56 KB)
ðŸ“ blocks
ðŸ“„ blocks.php(50.69 KB)
ðŸ“„ bookmark-template.php(12.6 KB)
ðŸ“„ bookmark.php(15 KB)
ðŸ“„ cache-compat.php(5.83 KB)
ðŸ“„ cache.php(13.16 KB)
ðŸ“„ canonical.php(32.55 KB)
ðŸ“„ capabilities.php(39.06 KB)
ðŸ“„ category-template.php(55.67 KB)
ðŸ“„ category.php(12.4 KB)
ðŸ“ certificates
ðŸ“„ class-IXR.php(2.48 KB)
ðŸ“„ class-feed.php(529 B)
ðŸ“„ class-http.php(367 B)
ðŸ“„ class-json.php(42.66 KB)
ðŸ“„ class-oembed.php(401 B)
ðŸ“„ class-phpass.php(6.55 KB)
ðŸ“„ class-phpmailer.php(664 B)
ðŸ“„ class-pop3.php(20.48 KB)
ðŸ“„ class-requests.php(2.18 KB)
ðŸ“„ class-simplepie.php(95.78 KB)
ðŸ“„ class-smtp.php(457 B)
ðŸ“„ class-snoopy.php(36.83 KB)
ðŸ“„ class-walker-category-dropdown.php(2.42 KB)
ðŸ“„ class-walker-category.php(8.27 KB)
ðŸ“„ class-walker-comment.php(13.88 KB)
ðŸ“„ class-walker-nav-menu.php(9.35 KB)
ðŸ“„ class-walker-page-dropdown.php(2.64 KB)
ðŸ“„ class-walker-page.php(7.42 KB)
ðŸ“„ class-wp-admin-bar.php(17.08 KB)
ðŸ“„ class-wp-ajax-response.php(5.14 KB)
ðŸ“„ class-wp-application-passwords.php(11.97 KB)
ðŸ“„ class-wp-block-editor-context.php(1.32 KB)
ðŸ“„ class-wp-block-list.php(4.64 KB)
ðŸ“„ class-wp-block-parser.php(14.89 KB)
ðŸ“„ class-wp-block-pattern-categories-registry.php(5.25 KB)
ðŸ“„ class-wp-block-patterns-registry.php(8.15 KB)
ðŸ“„ class-wp-block-styles-registry.php(5.75 KB)
ðŸ“„ class-wp-block-supports.php(5.37 KB)
ðŸ“„ class-wp-block-template.php(1.8 KB)
ðŸ“„ class-wp-block-type-registry.php(4.56 KB)
ðŸ“„ class-wp-block-type.php(13.68 KB)
ðŸ“„ class-wp-block.php(8.21 KB)
ðŸ“„ class-wp-comment-query.php(46.55 KB)
ðŸ“„ class-wp-comment.php(9.13 KB)
ðŸ“„ class-wp-customize-control.php(25.22 KB)
ðŸ“„ class-wp-customize-manager.php(197.39 KB)
ðŸ“„ class-wp-customize-nav-menus.php(55.96 KB)
ðŸ“„ class-wp-customize-panel.php(10.42 KB)
ðŸ“„ class-wp-customize-section.php(10.98 KB)
ðŸ“„ class-wp-customize-setting.php(29.19 KB)
ðŸ“„ class-wp-customize-widgets.php(69.95 KB)
ðŸ“„ class-wp-date-query.php(34.84 KB)
ðŸ“„ class-wp-dependencies.php(13.73 KB)
ðŸ“„ class-wp-dependency.php(2.57 KB)
ðŸ“„ class-wp-editor.php(70.27 KB)
ðŸ“„ class-wp-embed.php(15.61 KB)
ðŸ“„ class-wp-error.php(7.33 KB)
ðŸ“„ class-wp-fatal-error-handler.php(7.69 KB)
ðŸ“„ class-wp-feed-cache-transient.php(2.53 KB)
ðŸ“„ class-wp-feed-cache.php(996 B)
ðŸ“„ class-wp-hook.php(15.35 KB)
ðŸ“„ class-wp-http-cookie.php(7.24 KB)
ðŸ“„ class-wp-http-curl.php(12.12 KB)
ðŸ“„ class-wp-http-encoding.php(6.53 KB)
ðŸ“„ class-wp-http-ixr-client.php(3.42 KB)
ðŸ“„ class-wp-http-proxy.php(5.84 KB)
ðŸ“„ class-wp-http-requests-hooks.php(1.97 KB)
ðŸ“„ class-wp-http-requests-response.php(4.3 KB)
ðŸ“„ class-wp-http-response.php(2.91 KB)
ðŸ“„ class-wp-http-streams.php(16.31 KB)
ðŸ“„ class-wp-http.php(39.41 KB)
ðŸ“„ class-wp-image-editor-gd.php(16.18 KB)
ðŸ“„ class-wp-image-editor-imagick.php(29.04 KB)
ðŸ“„ class-wp-image-editor.php(16.66 KB)
ðŸ“„ class-wp-list-util.php(7.27 KB)
ðŸ“„ class-wp-locale-switcher.php(6.39 KB)
ðŸ“„ class-wp-locale.php(15.73 KB)
ðŸ“„ class-wp-matchesmapregex.php(1.78 KB)
ðŸ“„ class-wp-meta-query.php(29.8 KB)
ðŸ“„ class-wp-metadata-lazyloader.php(5.25 KB)
ðŸ“„ class-wp-network-query.php(18.83 KB)
ðŸ“„ class-wp-network.php(11.89 KB)
ðŸ“„ class-wp-object-cache.php(17.18 KB)
ðŸ“„ class-wp-oembed-controller.php(6.72 KB)
ðŸ“„ class-wp-oembed.php(30.45 KB)
ðŸ“„ class-wp-paused-extensions-storage.php(4.94 KB)
ðŸ“„ class-wp-post-type.php(25.18 KB)
ðŸ“„ class-wp-post.php(6.33 KB)
ðŸ“„ class-wp-query.php(146.4 KB)
ðŸ“„ class-wp-recovery-mode-cookie-service.php(6.72 KB)
ðŸ“„ class-wp-recovery-mode-email-service.php(10.92 KB)
ðŸ“„ class-wp-recovery-mode-key-service.php(4.4 KB)
ðŸ“„ class-wp-recovery-mode-link-service.php(3.38 KB)
ðŸ“„ class-wp-recovery-mode.php(11.16 KB)
ðŸ“„ class-wp-rewrite.php(61.6 KB)
ðŸ“„ class-wp-role.php(2.46 KB)
ðŸ“„ class-wp-roles.php(8.38 KB)
ðŸ“„ class-wp-scripts.php(18.86 KB)
ðŸ“„ class-wp-session-tokens.php(7.28 KB)
ðŸ“„ class-wp-simplepie-file.php(3.32 KB)
ðŸ“„ class-wp-simplepie-sanitize-kses.php(1.76 KB)
ðŸ“„ class-wp-site-query.php(30.22 KB)
ðŸ“„ class-wp-site.php(7.28 KB)
ðŸ“„ class-wp-styles.php(10.64 KB)
ðŸ“„ class-wp-tax-query.php(19.06 KB)
ðŸ“„ class-wp-taxonomy.php(18.03 KB)
ðŸ“„ class-wp-term-query.php(39.48 KB)
ðŸ“„ class-wp-term.php(5.17 KB)
ðŸ“„ class-wp-text-diff-renderer-inline.php(830 B)
ðŸ“„ class-wp-text-diff-renderer-table.php(16.76 KB)
ðŸ“„ class-wp-textdomain-registry.php(5.83 KB)
ðŸ“„ class-wp-theme-json-data.php(1.52 KB)
ðŸ“„ class-wp-theme-json-resolver.php(23.41 KB)
ðŸ“„ class-wp-theme-json-schema.php(4.22 KB)
ðŸ“„ class-wp-theme-json.php(116.44 KB)
ðŸ“„ class-wp-theme.php(54.16 KB)
ðŸ“„ class-wp-user-meta-session-tokens.php(2.92 KB)
ðŸ“„ class-wp-user-query.php(38.89 KB)
ðŸ“„ class-wp-user-request.php(2.17 KB)
ðŸ“„ class-wp-user.php(22.23 KB)
ðŸ“„ class-wp-walker.php(12.86 KB)
ðŸ“„ class-wp-widget-factory.php(3.27 KB)
ðŸ“„ class-wp-widget.php(17.95 KB)
ðŸ“„ class-wp-xmlrpc-server.php(208.55 KB)
ðŸ“„ class-wp.php(25.39 KB)
ðŸ“„ class-wpdb.php(116.29 KB)
ðŸ“„ class.wp-dependencies.php(373 B)
ðŸ“„ class.wp-scripts.php(343 B)
ðŸ“„ class.wp-styles.php(338 B)
ðŸ“„ comment-template.php(97.57 KB)
ðŸ“„ comment.php(125.63 KB)
ðŸ“„ compat.php(15 KB)
ðŸ“„ cron.php(40.56 KB)
ðŸ“ css
ðŸ“ customize
ðŸ“„ date.php(400 B)
ðŸ“„ default-constants.php(10.29 KB)
ðŸ“„ default-filters.php(30.85 KB)
ðŸ“„ default-widgets.php(2.17 KB)
ðŸ“„ deprecated.php(133.95 KB)
ðŸ“„ embed-template.php(338 B)
ðŸ“„ embed.php(36.58 KB)
ðŸ“„ error-protection.php(4.02 KB)
ðŸ“„ feed-atom-comments.php(5.32 KB)
ðŸ“„ feed-atom.php(2.98 KB)
ðŸ“„ feed-rdf.php(2.61 KB)
ðŸ“„ feed-rss.php(1.16 KB)
ðŸ“„ feed-rss2-comments.php(3.98 KB)
ðŸ“„ feed-rss2.php(3.71 KB)
ðŸ“„ feed.php(22.46 KB)
ðŸ“ fonts
ðŸ“„ formatting.php(325.29 KB)
ðŸ“„ functions.php(255.49 KB)
ðŸ“„ functions.wp-scripts.php(13.2 KB)
ðŸ“„ functions.wp-styles.php(8.38 KB)
ðŸ“„ general-template.php(163.92 KB)
ðŸ“„ global-styles-and-settings.php(13.86 KB)
ðŸ“ html-api
ðŸ“„ http.php(22.62 KB)
ðŸ“„ https-detection.php(6.7 KB)
ðŸ“„ https-migration.php(4.62 KB)
ðŸ“ images
ðŸ“ js
ðŸ“„ kses.php(69.6 KB)
ðŸ“„ l10n.php(60.47 KB)
ðŸ“„ link-template.php(150.32 KB)
ðŸ“„ load.php(50.37 KB)
ðŸ“„ locale.php(162 B)
ðŸ“„ media-template.php(59.9 KB)
ðŸ“„ media.php(188.13 KB)
ðŸ“„ meta.php(61.72 KB)
ðŸ“„ ms-blogs.php(24.93 KB)
ðŸ“„ ms-default-constants.php(4.78 KB)
ðŸ“„ ms-default-filters.php(6.48 KB)
ðŸ“„ ms-deprecated.php(21.25 KB)
ðŸ“„ ms-files.php(2.59 KB)
ðŸ“„ ms-functions.php(89.14 KB)
ðŸ“„ ms-load.php(19.38 KB)
ðŸ“„ ms-network.php(3.71 KB)
ðŸ“„ ms-settings.php(4.03 KB)
ðŸ“„ ms-site.php(39.13 KB)
ðŸ“„ nav-menu-template.php(25.18 KB)
ðŸ“„ nav-menu.php(42.21 KB)
ðŸ“„ option.php(77.86 KB)
ðŸ“ php-compat
ðŸ“„ pluggable-deprecated.php(6.12 KB)
ðŸ“„ pluggable.php(108.27 KB)
ðŸ“„ plugin.php(35.15 KB)
ðŸ“ pomo
ðŸ“„ post-formats.php(6.93 KB)
ðŸ“„ post-template.php(65.28 KB)
ðŸ“„ post-thumbnail-template.php(10.75 KB)
ðŸ“„ post.php(268.82 KB)
ðŸ“„ query.php(36.13 KB)
ðŸ“ random_compat
ðŸ“„ registration-functions.php(200 B)
ðŸ“„ registration.php(200 B)
ðŸ“ rest-api
ðŸ“„ rest-api.php(94.41 KB)
ðŸ“„ revision.php(24.82 KB)
ðŸ“„ rewrite.php(19.04 KB)
ðŸ“„ robots-template.php(5.06 KB)
ðŸ“„ rss-functions.php(255 B)
ðŸ“„ rss.php(22.46 KB)
ðŸ“„ script-loader.php(133.74 KB)
ðŸ“„ session.php(258 B)
ðŸ“„ shortcodes.php(20.93 KB)
ðŸ“ sitemaps
ðŸ“„ sitemaps.php(3.16 KB)
ðŸ“ sodium_compat
ðŸ“„ spl-autoload-compat.php(441 B)
ðŸ“ style-engine
ðŸ“„ style-engine.php(6.25 KB)
ðŸ“„ taxonomy.php(168.15 KB)
ðŸ“„ template-canvas.php(592 B)
ðŸ“„ template-loader.php(2.94 KB)
ðŸ“„ template.php(22.77 KB)
ðŸ“ theme-compat
ðŸ“„ theme-i18n.json(1.12 KB)
ðŸ“„ theme-templates.php(5.38 KB)
ðŸ“„ theme.json(9.81 KB)
ðŸ“„ theme.php(126.88 KB)
ðŸ“„ update.php(33.86 KB)
ðŸ“„ user.php(165.74 KB)
ðŸ“„ vars.php(5.74 KB)
ðŸ“„ version.php(929 B)
ðŸ“ widgets
ðŸ“„ widgets.php(68.22 KB)
ðŸ“„ wlwmanifest.xml(1.02 KB)
ðŸ“„ wp-db.php(445 B)
ðŸ“„ wp-diff.php(647 B)

Editing: global-styles-and-settings.php

<?php
/**
 * APIs to interact with global settings & styles.
 *
 * @package WordPress
 */

/**
 * Gets the settings resulting of merging core, theme, and user data.
 *
 * @since 5.9.0
 *
 * @param array $path    Path to the specific setting to retrieve. Optional.
 *                       If empty, will return all settings.
 * @param array $context {
 *     Metadata to know where to retrieve the $path from. Optional.
 *
 *     @type string $block_name Which block to retrieve the settings from.
 *                              If empty, it'll return the settings for the global context.
 *     @type string $origin     Which origin to take data from.
 *                              Valid values are 'all' (core, theme, and user) or 'base' (core and theme).
 *                              If empty or unknown, 'all' is used.
 * }
 * @return array The settings to retrieve.
 */
function wp_get_global_settings( $path = array(), $context = array() ) {
	if ( ! empty( $context['block_name'] ) ) {
		$new_path = array( 'blocks', $context['block_name'] );
		foreach ( $path as $subpath ) {
			$new_path[] = $subpath;
		}
		$path = $new_path;
	}

/*
	 * This is the default value when no origin is provided or when it is 'all'.
	 *
	 * The $origin is used as part of the cache key. Changes here need to account
	 * for clearing the cache appropriately.
	 */
	$origin = 'custom';
	if (
		! wp_theme_has_theme_json() ||
		( isset( $context['origin'] ) && 'base' === $context['origin'] )
	) {
		$origin = 'theme';
	}

/*
	 * By using the 'theme_json' group, this data is marked to be non-persistent across requests.
	 * See `wp_cache_add_non_persistent_groups` in src/wp-includes/load.php and other places.
	 *
	 * The rationale for this is to make sure derived data from theme.json
	 * is always fresh from the potential modifications done via hooks
	 * that can use dynamic data (modify the stylesheet depending on some option,
	 * settings depending on user permissions, etc.).
	 * See some of the existing hooks to modify theme.json behaviour:
	 * https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
	 *
	 * A different alternative considered was to invalidate the cache upon certain
	 * events such as options add/update/delete, user meta, etc.
	 * It was judged not enough, hence this approach.
	 * See https://github.com/WordPress/gutenberg/pull/45372
	 */
	$cache_group = 'theme_json';
	$cache_key   = 'wp_get_global_settings_' . $origin;

/*
	 * 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;

$settings = false;
	if ( $can_use_cached ) {
		$settings = wp_cache_get( $cache_key, $cache_group );
	}

if ( false === $settings ) {
		$settings = WP_Theme_JSON_Resolver::get_merged_data( $origin )->get_settings();
		if ( $can_use_cached ) {
			wp_cache_set( $cache_key, $settings, $cache_group );
		}
	}

return _wp_array_get( $settings, $path, $settings );
}

/**
 * Gets the styles resulting of merging core, theme, and user data.
 *
 * @since 5.9.0
 *
 * @param array $path    Path to the specific style to retrieve. Optional.
 *                       If empty, will return all styles.
 * @param array $context {
 *     Metadata to know where to retrieve the $path from. Optional.
 *
 *     @type string $block_name Which block to retrieve the styles from.
 *                              If empty, it'll return the styles for the global context.
 *     @type string $origin     Which origin to take data from.
 *                              Valid values are 'all' (core, theme, and user) or 'base' (core and theme).
 *                              If empty or unknown, 'all' is used.
 * }
 * @return array The styles to retrieve.
 */
function wp_get_global_styles( $path = array(), $context = array() ) {
	if ( ! empty( $context['block_name'] ) ) {
		$path = array_merge( array( 'blocks', $context['block_name'] ), $path );
	}

$origin = 'custom';
	if ( isset( $context['origin'] ) && 'base' === $context['origin'] ) {
		$origin = 'theme';
	}

$styles = WP_Theme_JSON_Resolver::get_merged_data( $origin )->get_raw_data()['styles'];

return _wp_array_get( $styles, $path, $styles );
}

/**
 * Returns the stylesheet resulting of merging core, theme, and user data.
 *
 * @since 5.9.0
 * @since 6.1.0 Added 'base-layout-styles' support.
 *
 * @param array $types Optional. Types of styles to load.
 *                     It accepts as values 'variables', 'presets', 'styles', 'base-layout-styles'.
 *                     If empty, it'll load the following:
 *                     - for themes without theme.json: 'variables', 'presets', 'base-layout-styles'.
 *                     - for themes with theme.json: 'variables', 'presets', 'styles'.
 * @return string Stylesheet.
 */
function wp_get_global_stylesheet( $types = array() ) {
	/*
	 * 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 = empty( $types ) && ! WP_DEBUG;

/*
	 * By using the 'theme_json' group, this data is marked to be non-persistent across requests.
	 * @see `wp_cache_add_non_persistent_groups()`.
	 *
	 * The rationale for this is to make sure derived data from theme.json
	 * is always fresh from the potential modifications done via hooks
	 * that can use dynamic data (modify the stylesheet depending on some option,
	 * settings depending on user permissions, etc.).
	 * See some of the existing hooks to modify theme.json behavior:
	 * @see https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
	 *
	 * A different alternative considered was to invalidate the cache upon certain
	 * events such as options add/update/delete, user meta, etc.
	 * It was judged not enough, hence this approach.
	 * @see https://github.com/WordPress/gutenberg/pull/45372
	 */
	$cache_group = 'theme_json';
	$cache_key   = 'wp_get_global_stylesheet';
	if ( $can_use_cached ) {
		$cached = wp_cache_get( $cache_key, $cache_group );
		if ( $cached ) {
			return $cached;
		}
	}

$tree = WP_Theme_JSON_Resolver::get_merged_data();

$supports_theme_json = wp_theme_has_theme_json();
	if ( empty( $types ) && ! $supports_theme_json ) {
		$types = array( 'variables', 'presets', 'base-layout-styles' );
	} elseif ( empty( $types ) ) {
		$types = array( 'variables', 'styles', 'presets' );
	}

/*
	 * If variables are part of the stylesheet, then add them.
	 * This is so themes without a theme.json still work as before 5.9:
	 * they can override the default presets.
	 * See https://core.trac.wordpress.org/ticket/54782
	 */
	$styles_variables = '';
	if ( in_array( 'variables', $types, true ) ) {
		/*
		 * Only use the default, theme, and custom origins. Why?
		 * Because styles for `blocks` origin are added at a later phase
		 * (i.e. in the render cycle). Here, only the ones in use are rendered.
		 * @see wp_add_global_styles_for_blocks
		 */
		$origins          = array( 'default', 'theme', 'custom' );
		$styles_variables = $tree->get_stylesheet( array( 'variables' ), $origins );
		$types            = array_diff( $types, array( 'variables' ) );
	}

/*
	 * For the remaining types (presets, styles), we do consider origins:
	 *
	 * - themes without theme.json: only the classes for the presets defined by core
	 * - themes with theme.json: the presets and styles classes, both from core and the theme
	 */
	$styles_rest = '';
	if ( ! empty( $types ) ) {
		/*
		 * Only use the default, theme, and custom origins. Why?
		 * Because styles for `blocks` origin are added at a later phase
		 * (i.e. in the render cycle). Here, only the ones in use are rendered.
		 * @see wp_add_global_styles_for_blocks
		 */
		$origins = array( 'default', 'theme', 'custom' );
		if ( ! $supports_theme_json ) {
			$origins = array( 'default' );
		}
		$styles_rest = $tree->get_stylesheet( $types, $origins );
	}

$stylesheet = $styles_variables . $styles_rest;
	if ( $can_use_cached ) {
		wp_cache_set( $cache_key, $stylesheet, $cache_group );
	}

return $stylesheet;
}

/**
 * Gets the global styles custom css from theme.json.
 *
 * @since 6.2.0
 *
 * @return string Stylesheet.
 */
function wp_get_global_styles_custom_css() {
	if ( ! wp_theme_has_theme_json() ) {
		return '';
	}
	/*
	 * 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;

/*
	 * By using the 'theme_json' group, this data is marked to be non-persistent across requests.
	 * @see `wp_cache_add_non_persistent_groups()`.
	 *
	 * The rationale for this is to make sure derived data from theme.json
	 * is always fresh from the potential modifications done via hooks
	 * that can use dynamic data (modify the stylesheet depending on some option,
	 * settings depending on user permissions, etc.).
	 * See some of the existing hooks to modify theme.json behavior:
	 * @see https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
	 *
	 * A different alternative considered was to invalidate the cache upon certain
	 * events such as options add/update/delete, user meta, etc.
	 * It was judged not enough, hence this approach.
	 * @see https://github.com/WordPress/gutenberg/pull/45372
	 */
	$cache_key   = 'wp_get_global_styles_custom_css';
	$cache_group = 'theme_json';
	if ( $can_use_cached ) {
		$cached = wp_cache_get( $cache_key, $cache_group );
		if ( $cached ) {
			return $cached;
		}
	}

$tree       = WP_Theme_JSON_Resolver::get_merged_data();
	$stylesheet = $tree->get_custom_css();

if ( $can_use_cached ) {
		wp_cache_set( $cache_key, $stylesheet, $cache_group );
	}

return $stylesheet;
}

/**
 * Returns a string containing the SVGs to be referenced as filters (duotone).
 *
 * @since 5.9.1
 *
 * @return string
 */
function wp_get_global_styles_svg_filters() {
	/*
	 * 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 = wp_cache_get( $cache_key, $cache_group );
		if ( $cached ) {
			return $cached;
		}
	}

$supports_theme_json = wp_theme_has_theme_json();

$origins = array( 'default', 'theme', 'custom' );
	if ( ! $supports_theme_json ) {
		$origins = array( 'default' );
	}

$tree = WP_Theme_JSON_Resolver::get_merged_data();
	$svgs = $tree->get_svg_filters( $origins );

if ( $can_use_cached ) {
		wp_cache_set( $cache_key, $svgs, $cache_group );
	}

return $svgs;
}

/**
 * Adds global style rules to the inline style for each block.
 *
 * @since 6.1.0
 */
function wp_add_global_styles_for_blocks() {
	$tree        = WP_Theme_JSON_Resolver::get_merged_data();
	$block_nodes = $tree->get_styles_block_nodes();
	foreach ( $block_nodes as $metadata ) {
		$block_css = $tree->get_styles_for_block( $metadata );

if ( ! wp_should_load_separate_core_block_assets() ) {
			wp_add_inline_style( 'global-styles', $block_css );
			continue;
		}

$stylesheet_handle = 'global-styles';
		if ( isset( $metadata['name'] ) ) {
			/*
			 * These block styles are added on block_render.
			 * This hooks inline CSS to them so that they are loaded conditionally
			 * based on whether or not the block is used on the page.
			 */
			if ( str_starts_with( $metadata['name'], 'core/' ) ) {
				$block_name        = str_replace( 'core/', '', $metadata['name'] );
				$stylesheet_handle = 'wp-block-' . $block_name;
			}
			wp_add_inline_style( $stylesheet_handle, $block_css );
		}

// The likes of block element styles from theme.json do not have  $metadata['name'] set.
		if ( ! isset( $metadata['name'] ) && ! empty( $metadata['path'] ) ) {
			$result = array_values(
				array_filter(
					$metadata['path'],
					function ( $item ) {
						if ( strpos( $item, 'core/' ) !== false ) {
							return true;
						}
						return false;
					}
				)
			);
			if ( isset( $result[0] ) ) {
				if ( str_starts_with( $result[0], 'core/' ) ) {
					$block_name        = str_replace( 'core/', '', $result[0] );
					$stylesheet_handle = 'wp-block-' . $block_name;
				}
				wp_add_inline_style( $stylesheet_handle, $block_css );
			}
		}
	}
}

/**
 * Checks whether a theme or its parent has a theme.json file.
 *
 * @since 6.2.0
 *
 * @return bool Returns true if theme or its parent has a theme.json file, false otherwise.
 */
function wp_theme_has_theme_json() {
	static $theme_has_support = null;

if (
		null !== $theme_has_support &&
		/*
		 * Ignore static cache when `WP_DEBUG` is enabled. Why? To avoid interfering with
		 * the theme developer's workflow.
		 *
		 * @todo Replace `WP_DEBUG` once an "in development mode" check is available in Core.
		 */
		! WP_DEBUG &&
		/*
		 * Ignore cache when automated test suites are running. Why? To ensure
		 * the static cache is reset between each test.
		 */
		! ( defined( 'WP_RUN_CORE_TESTS' ) && WP_RUN_CORE_TESTS )
	) {
		return $theme_has_support;
	}

// Does the theme have its own theme.json?
	$theme_has_support = is_readable( get_stylesheet_directory() . '/theme.json' );

// Look up the parent if the child does not have a theme.json.
	if ( ! $theme_has_support ) {
		$theme_has_support = is_readable( get_template_directory() . '/theme.json' );
	}

return $theme_has_support;
}

/**
 * Cleans the caches under the theme_json group.
 *
 * @since 6.2.0
 */
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' );
	wp_cache_delete( 'wp_get_global_settings_custom', 'theme_json' );
	wp_cache_delete( 'wp_get_global_settings_theme', 'theme_json' );
	wp_cache_delete( 'wp_get_global_styles_custom_css', 'theme_json' );
	WP_Theme_JSON_Resolver::clean_cached_data();
}

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