erge( $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;
}

/**
 * Initialize site preview.
 *
 * This function sets IFRAME_REQUEST to true if the site preview parameter is set.
 *
 * @since 6.8.0
 */
function wp_initialize_site_preview_hooks() {
	if (
		! defined( 'IFRAME_REQUEST' ) &&
		isset( $_GET['wp_site_preview'] ) &&
		1 === (int) $_GET['wp_site_preview'] &&
		current_user_can( 'edit_theme_options' )
	) {
		define( 'IFRAME_REQUEST', true );
	}
}