JezK
Edit File: block-editor.php
<?php /** * Block Editor API. * * @package WordPress * @subpackage Editor * @since 5.8.0 */ /** * Returns the list of default categories for block types. * * @since 5.8.0 * @since 6.3.0 Reusable Blocks renamed to Patterns. * * @return array[] Array of categories for block types. */ function get_default_block_categories() { return array( array( 'slug' => 'text', 'title' => _x( 'Text', 'block category' ), 'icon' => null, ), array( 'slug' => 'media', 'title' => _x( 'Media', 'block category' ), 'icon' => null, ), array( 'slug' => 'design', 'title' => _x( 'Design', 'block category' ), 'icon' => null, ), array( 'slug' => 'widgets', 'title' => _x( 'Widgets', 'block category' ), 'icon' => null, ), array( 'slug' => 'theme', 'title' => _x( 'Theme', 'block category' ), 'icon' => null, ), array( 'slug' => 'embed', 'title' => _x( 'Embeds', 'block category' ), 'icon' => null, ), array( 'slug' => 'reusable', 'title' => _x( 'Patterns', 'block category' ), 'icon' => null, ), ); } /** * Returns all the categories for block types that will be shown in the block editor. * * @since 5.0.0 * @since 5.8.0 It is possible to pass the block editor context as param. * * @param WP_Post|WP_Block_Editor_Context $post_or_block_editor_context The current post object or * the block editor context. * * @return array[] Array of categories for block types. */ function get_block_categories( $post_or_block_editor_context ) { $block_categories = get_default_block_categories(); $block_editor_context = $post_or_block_editor_context instanceof WP_Post ? new WP_Block_Editor_Context( array( 'post' => $post_or_block_editor_context, ) ) : $post_or_block_editor_context; /** * Filters the default array of categories for block types. * * @since 5.8.0 * * @param array[] $block_categories Array of categories for block types. * @param WP_Block_Editor_Context $block_editor_context The current block editor context. */ $block_categories = apply_filters( 'block_categories_all', $block_categories, $block_editor_context ); if ( ! empty( $block_editor_context->post ) ) { $post = $block_editor_context->post; /** * Filters the default array of categories for block types. * * @since 5.0.0 * @deprecated 5.8.0 Use the {@see 'block_categories_all'} filter instead. * * @param array[] $block_categories Array of categories for block types. * @param WP_Post $post Post being loaded. */ $block_categories = apply_filters_deprecated( 'block_categories', array( $block_categories, $post ), '5.8.0', 'block_categories_all' ); } return $block_categories; } /** * Gets the list of allowed block types to use in the block editor. * * @since 5.8.0 * * @param WP_Block_Editor_Context $block_editor_context The current block editor context. * * @return bool|string[] Array of block type slugs, or boolean to enable/disable all. */ function get_allowed_block_types( $block_editor_context ) { $allowed_block_types = true; /** * Filters the allowed block types for all editor types. * * @since 5.8.0 * * @param bool|string[] $allowed_block_types Array of block type slugs, or boolean to enable/disable all. * Default true (all registered block types supported). * @param WP_Block_Editor_Context $block_editor_context The current block editor context. */ $allowed_block_types = apply_filters( 'allowed_block_types_all', $allowed_block_types, $block_editor_context ); if ( ! empty( $block_editor_context->post ) ) { $post = $block_editor_context->post; /** * Filters the allowed block types for the editor. * * @since 5.0.0 * @deprecated 5.8.0 Use the {@see 'allowed_block_types_all'} filter instead. * * @param bool|string[] $allowed_block_types Array of block type slugs, or boolean to enable/disable all. * Default true (all registered block types supported) * @param WP_Post $post The post resource data. */ $allowed_block_types = apply_filters_deprecated( 'allowed_block_types', array( $allowed_block_types, $post ), '5.8.0', 'allowed_block_types_all' ); } return $allowed_block_types; } /** * Returns the default block editor settings. * * @since 5.8.0 * * @return array The default block editor settings. */ function get_default_block_editor_settings() { // Media settings. // wp_max_upload_size() can be expensive, so only call it when relevant for the current user. $max_upload_size = 0; if ( current_user_can( 'upload_files' ) ) { $max_upload_size = wp_max_upload_size(); if ( ! $max_upload_size ) { $max_upload_size = 0; } } /** This filter is documented in wp-admin/includes/media.php */ $image_size_names = apply_filters( 'image_size_names_choose', array( 'thumbnail' => __( 'Thumbnail' ), 'medium' => __( 'Medium' ), 'large' => __( 'Large' ), 'full' => __( 'Full Size' ), ) ); $available_image_sizes = array(); foreach ( $image_size_names as $image_size_slug => $image_size_name ) { $available_image_sizes[] = array( 'slug' => $image_size_slug, 'name' => $image_size_name, ); } $default_size = get_option( 'image_default_size', 'large' ); $image_default_size = in_array( $default_size, array_keys( $image_size_names ), true ) ? $default_size : 'large'; $image_dimensions = array(); $all_sizes = wp_get_registered_image_subsizes(); foreach ( $available_image_sizes as $size ) { $key = $size['slug']; if ( isset( $all_sizes[ $key ] ) ) { $image_dimensions[ $key ] = $all_sizes[ $key ]; } } // These styles are used if the "no theme styles" options is triggered or on // themes without their own editor styles. $default_editor_styles_file = ABSPATH . WPINC . '/css/dist/block-editor/default-editor-styles.css'; static $default_editor_styles_file_contents = false; if ( ! $default_editor_styles_file_contents && file_exists( $default_editor_styles_file ) ) { $default_editor_styles_file_contents = file_get_contents( $default_editor_styles_file ); } $default_editor_styles = array(); if ( $default_editor_styles_file_contents ) { $default_editor_styles = array( array( 'css' => $default_editor_styles_file_contents ), ); } $editor_settings = array( 'alignWide' => get_theme_support( 'align-wide' ), 'allowedBlockTypes' => true, 'allowedMimeTypes' => get_allowed_mime_types(), 'defaultEditorStyles' => $default_editor_styles, 'blockCategories' => get_default_block_categories(), 'isRTL' => is_rtl(), 'imageDefaultSize' => $image_default_size, 'imageDimensions' => $image_dimensions, 'imageEditing' => true, 'imageSizes' => $available_image_sizes, 'maxUploadFileSize' => $max_upload_size, // The following flag is required to enable the new Gallery block format on the mobile apps in 5.9. '__unstableGalleryWithImageBlocks' => true, ); $theme_settings = get_classic_theme_supports_block_editor_settings(); foreach ( $theme_settings as $key => $value ) { $editor_settings[ $key ] = $value; } return $editor_settings; } /** * Returns the block editor settings needed to use the Legacy Widget block which * is not registered by default. * * @since 5.8.0 * * @return array Settings to be used with get_block_editor_settings(). */ function get_legacy_widget_block_editor_settings() { $editor_settings = array(); /** * Filters the list of widget-type IDs that should **not** be offered by the * Legacy Widget block. * * Returning an empty array will make all widgets available. * * @since 5.8.0 * * @param string[] $widgets An array of excluded widget-type IDs. */ $editor_settings['widgetTypesToHideFromLegacyWidgetBlock'] = apply_filters( 'widget_types_to_hide_from_legacy_widget_block', array( 'pages', 'calendar', 'archives', 'media_audio', 'media_image', 'media_gallery', 'media_video', 'search', 'text', 'categories', 'recent-posts', 'recent-comments', 'rss', 'tag_cloud', 'custom_html', 'block', ) ); return $editor_settings; } /** * Collect the block editor assets that need to be loaded into the editor's iframe. * * @since 6.0.0 * @access private * * @global WP_Styles $wp_styles The WP_Styles current instance. * @global WP_Scripts $wp_scripts The WP_Scripts current instance. * * @return array { * The block editor assets. * * @type string|false $styles String containing the HTML for styles. * @type string|false $scripts String containing the HTML for scripts. * } */ function _wp_get_iframed_editor_assets() { global $wp_styles, $wp_scripts; // Keep track of the styles and scripts instance to restore later. $current_wp_styles = $wp_styles; $current_wp_scripts = $wp_scripts; // Create new instances to collect the assets. $wp_styles = new WP_Styles(); $wp_scripts = new WP_Scripts(); /* * Register all currently registered styles and scripts. The actions that * follow enqueue assets, but don't necessarily register them. */ $wp_styles->registered = $current_wp_styles->registered; $wp_scripts->registered = $current_wp_scripts->registered; /* * We generally do not need reset styles for the iframed editor. * However, if it's a classic theme, margins will be added to every block, * which is reset specifically for list items, so classic themes rely on * these reset styles. */ $wp_styles->done = wp_theme_has_theme_json() ? array( 'wp-reset-editor-styles' ) : array(); wp_enqueue_script( 'wp-polyfill' ); // Enqueue the `editorStyle` handles for all core block, and dependencies. wp_enqueue_style( 'wp-edit-blocks' ); if ( current_theme_supports( 'wp-block-styles' ) ) { wp_enqueue_style( 'wp-block-library-theme' ); } /* * We don't want to load EDITOR scripts in the iframe, only enqueue * front-end assets for the content. */ add_filter( 'should_load_block_editor_scripts_and_styles', '__return_false' ); do_action( 'enqueue_block_assets' ); remove_filter( 'should_load_block_editor_scripts_and_styles', '__return_false' ); $block_registry = WP_Block_Type_Registry::get_instance(); /* * Additionally, do enqueue `editorStyle` assets for all blocks, which * contains editor-only styling for blocks (editor content). */ foreach ( $block_registry->get_all_registered() as $block_type ) { if ( isset( $block_type->editor_style_handles ) && is_array( $block_type->editor_style_handles ) ) { foreach ( $block_type->editor_style_handles as $style_handle ) { wp_enqueue_style( $style_handle ); } } } /** * Remove the deprecated `print_emoji_styles` handler. * It avoids breaking style generation with a deprecation message. */ $has_emoji_styles = has_action( 'wp_print_styles', 'print_emoji_styles' ); if ( $has_emoji_styles ) { remove_action( 'wp_print_styles', 'print_emoji_styles' ); } ob_start(); wp_print_styles(); wp_print_font_faces(); $styles = ob_get_clean(); if ( $has_emoji_styles ) { add_action( 'wp_print_styles', 'print_emoji_styles' ); } ob_start(); wp_print_head_scripts(); wp_print_footer_scripts(); $scripts = ob_get_clean(); // Restore the original instances. $wp_styles = $current_wp_styles; $wp_scripts = $current_wp_scripts; return array( 'styles' => $styles, 'scripts' => $scripts, ); } /** * Finds the first occurrence of a specific block in an array of blocks. * * @since 6.3.0 * * @param array $blocks Array of blocks. * @param string $block_name Name of the block to find. * @return array Found block, or empty array if none found. */ function wp_get_first_block( $blocks, $block_name ) { foreach ( $blocks as $block ) { if ( $block_name === $block['blockName'] ) { return $block; } if ( ! empty( $block['innerBlocks'] ) ) { $found_block = wp_get_first_block( $block['innerBlocks'], $block_name ); if ( ! empty( $found_block ) ) { return $found_block; } } } return array(); } /** * Retrieves Post Content block attributes from the current post template. * * @since 6.3.0 * @since 6.4.0 Return null if there is no post content block. * @access private * * @global int $post_ID * * @return array|null Post Content block attributes array or null if Post Content block doesn't exist. */ function wp_get_post_content_block_attributes() { global $post_ID; $is_block_theme = wp_is_block_theme(); if ( ! $is_block_theme || ! $post_ID ) { return null; } $template_slug = get_page_template_slug( $post_ID ); if ( ! $template_slug ) { $post_slug = 'singular'; $page_slug = 'singular'; $template_types = get_block_templates(); foreach ( $template_types as $template_type ) { if ( 'page' === $template_type->slug ) { $page_slug = 'page'; } if ( 'single' === $template_type->slug ) { $post_slug = 'single'; } } $what_post_type = get_post_type( $post_ID ); switch ( $what_post_type ) { case 'page': $template_slug = $page_slug; break; default: $template_slug = $post_slug; break; } } $current_template = get_block_templates( array( 'slug__in' => array( $template_slug ) ) ); if ( ! empty( $current_template ) ) { $template_blocks = parse_blocks( $current_template[0]->content ); $post_content_block = wp_get_first_block( $template_blocks, 'core/post-content' ); if ( isset( $post_content_block['attrs'] ) ) { return $post_content_block['attrs']; } } return null; } /** * Returns the contextualized block editor settings for a selected editor context. * * @since 5.8.0 * * @param array $custom_settings Custom settings to use with the given editor type. * @param WP_Block_Editor_Context $block_editor_context The current block editor context. * * @return array The contextualized block editor settings. */ function get_block_editor_settings( array $custom_settings, $block_editor_context ) { $editor_settings = array_merge( get_default_block_editor_settings(), array( 'allowedBlockTypes' => get_allowed_block_types( $block_editor_context ), 'blockCategories' => get_block_categories( $block_editor_context ), ), $custom_settings ); $global_styles = array(); $presets = array( array( 'css' => 'variables', '__unstableType' => 'presets', 'isGlobalStyles' => true, ), array( 'css' => 'presets', '__unstableType' => 'presets', 'isGlobalStyles' => true, ), ); foreach ( $presets as $preset_style ) { $actual_css = wp_get_global_stylesheet( array( $preset_style['css'] ) ); if ( '' !== $actual_css ) { $preset_style['css'] = $actual_css; $global_styles[] = $preset_style; } } if ( wp_theme_has_theme_json() ) { $block_classes = array( 'css' => 'styles', '__unstableType' => 'theme', 'isGlobalStyles' => true, ); $actual_css = wp_get_global_stylesheet( array( $block_classes['css'] ) ); if ( '' !== $actual_css ) { $block_classes['css'] = $actual_css; $global_styles[] = $block_classes; } /* * Add the custom CSS as a separate stylesheet so any invalid CSS * entered by users does not break other global styles. */ $global_styles[] = array( 'css' => wp_get_global_styles_custom_css(), '__unstableType' => 'user', 'isGlobalStyles' => true, ); } else { // If there is no `theme.json` file, ensure base layout styles are still available. $block_classes = array( 'css' => 'base-layout-styles', '__unstableType' => 'base-layout', 'isGlobalStyles' => true, ); $actual_css = wp_get_global_stylesheet( array( $block_classes['css'] ) ); if ( '' !== $actual_css ) { $block_classes['css'] = $actual_css; $global_styles[] = $block_classes; } } $editor_settings['styles'] = array_merge( $global_styles, get_block_editor_theme_styles() ); $editor_settings['__experimentalFeatures'] = wp_get_global_settings(); // These settings may need to be updated based on data coming from theme.json sources. if ( isset( $editor_settings['__experimentalFeatures']['color']['palette'] ) ) { $colors_by_origin = $editor_settings['__experimentalFeatures']['color']['palette']; $editor_settings['colors'] = isset( $colors_by_origin['custom'] ) ? $colors_by_origin['custom'] : ( isset( $colors_by_origin['theme'] ) ? $colors_by_origin['theme'] : $colors_by_origin['default'] ); } if ( isset( $editor_settings['__experimentalFeatures']['color']['gradients'] ) ) { $gradients_by_origin = $editor_settings['__experimentalFeatures']['color']['gradients']; $editor_settings['gradients'] = isset( $gradients_by_origin['custom'] ) ? $gradients_by_origin['custom'] : ( isset( $gradients_by_origin['theme'] ) ? $gradients_by_origin['theme'] : $gradients_by_origin['default'] ); } if ( isset( $editor_settings['__experimentalFeatures']['typography']['fontSizes'] ) ) { $font_sizes_by_origin = $editor_settings['__experimentalFeatures']['typography']['fontSizes']; $editor_settings['fontSizes'] = isset( $font_sizes_by_origin['custom'] ) ? $font_sizes_by_origin['custom'] : ( isset( $font_sizes_by_origin['theme'] ) ? $font_sizes_by_origin['theme'] : $font_sizes_by_origin['default'] ); } if ( isset( $editor_settings['__experimentalFeatures']['color']['custom'] ) ) { $editor_settings['disableCustomColors'] = ! $editor_settings['__experimentalFeatures']['color']['custom']; unset( $editor_settings['__experimentalFeatures']['color']['custom'] ); } if ( isset( $editor_settings['__experimentalFeatures']['color']['customGradient'] ) ) { $editor_settings['disableCustomGradients'] = ! $editor_settings['__experimentalFeatures']['color']['customGradient']; unset( $editor_settings['__experimentalFeatures']['color']['customGradient'] ); } if ( isset( $editor_settings['__experimentalFeatures']['typography']['customFontSize'] ) ) { $editor_settings['disableCustomFontSizes'] = ! $editor_settings['__experimentalFeatures']['typography']['customFontSize']; unset( $editor_settings['__experimentalFeatures']['typography']['customFontSize'] ); } if ( isset( $editor_settings['__experimentalFeatures']['typography']['lineHeight'] ) ) { $editor_settings['enableCustomLineHeight'] = $editor_settings['__experimentalFeatures']['typography']['lineHeight']; unset( $editor_settings['__experimentalFeatures']['typography']['lineHeight'] ); } if ( isset( $editor_settings['__experimentalFeatures']['spacing']['units'] ) ) { $editor_settings['enableCustomUnits'] = $editor_settings['__experimentalFeatures']['spacing']['units']; unset( $editor_settings['__experimentalFeatures']['spacing']['units'] ); } if ( isset( $editor_settings['__experimentalFeatures']['spacing']['padding'] ) ) { $editor_settings['enableCustomSpacing'] = $editor_settings['__experimentalFeatures']['spacing']['padding']; unset( $editor_settings['__experimentalFeatures']['spacing']['padding'] ); } if ( isset( $editor_settings['__experimentalFeatures']['spacing']['customSpacingSize'] ) ) { $editor_settings['disableCustomSpacingSizes'] = ! $editor_settings['__experimentalFeatures']['spacing']['customSpacingSize']; unset( $editor_settings['__experimentalFeatures']['spacing']['customSpacingSize'] ); } if ( isset( $editor_settings['__experimentalFeatures']['spacing']['spacingSizes'] ) ) { $spacing_sizes_by_origin = $editor_settings['__experimentalFeatures']['spacing']['spacingSizes']; $editor_settings['spacingSizes'] = isset( $spacing_sizes_by_origin['custom'] ) ? $spacing_sizes_by_origin['custom'] : ( isset( $spacing_sizes_by_origin['theme'] ) ? $spacing_sizes_by_origin['theme'] : $spacing_sizes_by_origin['default'] ); } $editor_settings['__unstableResolvedAssets'] = _wp_get_iframed_editor_assets(); $editor_settings['__unstableIsBlockBasedTheme'] = wp_is_block_theme(); $editor_settings['localAutosaveInterval'] = 15; $editor_settings['disableLayoutStyles'] = current_theme_supports( 'disable-layout-styles' ); $editor_settings['__experimentalDiscussionSettings'] = array( 'commentOrder' => get_option( 'comment_order' ), 'commentsPerPage' => get_option( 'comments_per_page' ), 'defaultCommentsPage' => get_option( 'default_comments_page' ), 'pageComments' => get_option( 'page_comments' ), 'threadComments' => get_option( 'thread_comments' ), 'threadCommentsDepth' => get_option( 'thread_comments_depth' ), 'defaultCommentStatus' => get_option( 'default_comment_status' ), 'avatarURL' => get_avatar_url( '', array( 'size' => 96, 'force_default' => true, 'default' => get_option( 'avatar_default' ), ) ), ); $post_content_block_attributes = wp_get_post_content_block_attributes(); if ( isset( $post_content_block_attributes ) ) { $editor_settings['postContentAttributes'] = $post_content_block_attributes; } /** * Filters the settings to pass to the block editor for all editor type. * * @since 5.8.0 * * @param array $editor_settings Default editor settings. * @param WP_Block_Editor_Context $block_editor_context The current block editor context. */ $editor_settings = apply_filters( 'block_editor_settings_all', $editor_settings, $block_editor_context ); if ( ! empty( $block_editor_context->post ) ) { $post = $block_editor_context->post; /** * Filters the settings to pass to the block editor. * * @since 5.0.0 * @deprecated 5.8.0 Use the {@see 'block_editor_settings_all'} filter instead. * * @param array $editor_settings Default editor settings. * @param WP_Post $post Post being edited. */ $editor_settings = apply_filters_deprecated( 'block_editor_settings', array( $editor_settings, $post ), '5.8.0', 'block_editor_settings_all' ); } return $editor_settings; } /** * Preloads common data used with the block editor by specifying an array of * REST API paths that will be preloaded for a given block editor context. * * @since 5.8.0 * * @global WP_Post $post Global post object. * @global WP_Scripts $wp_scripts The WP_Scripts object for printing scripts. * @global WP_Styles $wp_styles The WP_Styles object for printing styles. * * @param (string|string[])[] $preload_paths List of paths to preload. * @param WP_Block_Editor_Context $block_editor_context The current block editor context. */ function block_editor_rest_api_preload( array $preload_paths, $block_editor_context ) { global $post, $wp_scripts, $wp_styles; /** * Filters the array of REST API paths that will be used to preloaded common data for the block editor. * * @since 5.8.0 * * @param (string|string[])[] $preload_paths Array of paths to preload. * @param WP_Block_Editor_Context $block_editor_context The current block editor context. */ $preload_paths = apply_filters( 'block_editor_rest_api_preload_paths', $preload_paths, $block_editor_context ); if ( ! empty( $block_editor_context->post ) ) { $selected_post = $block_editor_context->post; /** * Filters the array of paths that will be preloaded. * * Preload common data by specifying an array of REST API paths that will be preloaded. * * @since 5.0.0 * @deprecated 5.8.0 Use the {@see 'block_editor_rest_api_preload_paths'} filter instead. * * @param (string|string[])[] $preload_paths Array of paths to preload. * @param WP_Post $selected_post Post being edited. */ $preload_paths = apply_filters_deprecated( 'block_editor_preload_paths', array( $preload_paths, $selected_post ), '5.8.0', 'block_editor_rest_api_preload_paths' ); } if ( empty( $preload_paths ) ) { return; } /* * Ensure the global $post, $wp_scripts, and $wp_styles remain the same after * API data is preloaded. * Because API preloading can call the_content and other filters, plugins * can unexpectedly modify the global $post or enqueue assets which are not * intended for the block editor. */ $backup_global_post = ! empty( $post ) ? clone $post : $post; $backup_wp_scripts = ! empty( $wp_scripts ) ? clone $wp_scripts : $wp_scripts; $backup_wp_styles = ! empty( $wp_styles ) ? clone $wp_styles : $wp_styles; foreach ( $preload_paths as &$path ) { if ( is_string( $path ) && ! str_starts_with( $path, '/' ) ) { $path = '/' . $path; continue; } if ( is_array( $path ) && is_string( $path[0] ) && ! str_starts_with( $path[0], '/' ) ) { $path[0] = '/' . $path[0]; } } unset( $path ); $preload_data = array_reduce( $preload_paths, 'rest_preload_api_request', array() ); // Restore the global $post, $wp_scripts, and $wp_styles as they were before API preloading. $post = $backup_global_post; $wp_scripts = $backup_wp_scripts; $wp_styles = $backup_wp_styles; wp_add_inline_script( 'wp-api-fetch', sprintf( 'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );', wp_json_encode( $preload_data ) ), 'after' ); } /** * Creates an array of theme styles to load into the block editor. * * @since 5.8.0 * * @global array $editor_styles * * @return array An array of theme styles for the block editor. */ function get_block_editor_theme_styles() { global $editor_styles; $styles = array(); if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) { foreach ( $editor_styles as $style ) { if ( preg_match( '~^(https?:)?//~', $style ) ) { $response = wp_remote_get( $style ); if ( ! is_wp_error( $response ) ) { $styles[] = array( 'css' => wp_remote_retrieve_body( $response ), '__unstableType' => 'theme', 'isGlobalStyles' => false, ); } } else { $file = get_theme_file_path( $style ); if ( is_file( $file ) ) { $styles[] = array( 'css' => file_get_contents( $file ), 'baseURL' => get_theme_file_uri( $style ), '__unstableType' => 'theme', 'isGlobalStyles' => false, ); } } } } return $styles; } /** * Returns the classic theme supports settings for block editor. * * @since 6.2.0 * @since 6.6.0 Add support for 'editor-spacing-sizes' theme support. * * @return array The classic theme supports settings. */ function get_classic_theme_supports_block_editor_settings() { $theme_settings = array( 'disableCustomColors' => get_theme_support( 'disable-custom-colors' ), 'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ), 'disableCustomGradients' => get_theme_support( 'disable-custom-gradients' ), 'disableLayoutStyles' => get_theme_support( 'disable-layout-styles' ), 'enableCustomLineHeight' => get_theme_support( 'custom-line-height' ), 'enableCustomSpacing' => get_theme_support( 'custom-spacing' ), 'enableCustomUnits' => get_theme_support( 'custom-units' ), ); // Theme settings. $color_palette = current( (array) get_theme_support( 'editor-color-palette' ) ); if ( false !== $color_palette ) { $theme_settings['colors'] = $color_palette; } $font_sizes = current( (array) get_theme_support( 'editor-font-sizes' ) ); if ( false !== $font_sizes ) { $theme_settings['fontSizes'] = $font_sizes; } $gradient_presets = current( (array) get_theme_support( 'editor-gradient-presets' ) ); if ( false !== $gradient_presets ) { $theme_settings['gradients'] = $gradient_presets; } $spacing_sizes = current( (array) get_theme_support( 'editor-spacing-sizes' ) ); if ( false !== $spacing_sizes ) { $theme_settings['spacingSizes'] = $spacing_sizes; } return $theme_settings; }