<?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();
wp_print_font_faces_from_style_variations();
$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_stylesheet( array( '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;
}

$editor_settings['canUpdateBlockBindings'] = current_user_can( 'edit_block_binding', $block_editor_context );

/**
* 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;
}