707 lines
		
	
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			707 lines
		
	
	
	
		
			28 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
|  | <?php | ||
|  | /** | ||
|  |  * WordPress Theme Administration API | ||
|  |  * | ||
|  |  * @package WordPress | ||
|  |  * @subpackage Administration | ||
|  |  */ | ||
|  | 
 | ||
|  | /** | ||
|  |  * Remove a theme | ||
|  |  * | ||
|  |  * @since 2.8.0 | ||
|  |  * | ||
|  |  * @global WP_Filesystem_Base $wp_filesystem Subclass | ||
|  |  * | ||
|  |  * @param string $stylesheet Stylesheet of the theme to delete | ||
|  |  * @param string $redirect Redirect to page when complete. | ||
|  |  * @return void|bool|WP_Error When void, echoes content. | ||
|  |  */ | ||
|  | function delete_theme($stylesheet, $redirect = '') { | ||
|  | 	global $wp_filesystem; | ||
|  | 
 | ||
|  | 	if ( empty($stylesheet) ) | ||
|  | 		return false; | ||
|  | 
 | ||
|  | 	if ( empty( $redirect ) ) { | ||
|  | 		$redirect = wp_nonce_url('themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	ob_start(); | ||
|  | 	$credentials = request_filesystem_credentials( $redirect ); | ||
|  | 	$data = ob_get_clean(); | ||
|  | 
 | ||
|  | 	if ( false === $credentials ) { | ||
|  | 		if ( ! empty( $data ) ){ | ||
|  | 			include_once( ABSPATH . 'wp-admin/admin-header.php'); | ||
|  | 			echo $data; | ||
|  | 			include( ABSPATH . 'wp-admin/admin-footer.php'); | ||
|  | 			exit; | ||
|  | 		} | ||
|  | 		return; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if ( ! WP_Filesystem( $credentials ) ) { | ||
|  | 		ob_start(); | ||
|  | 		request_filesystem_credentials( $redirect, '', true ); // Failed to connect, Error and request again.
 | ||
|  | 		$data = ob_get_clean(); | ||
|  | 
 | ||
|  | 		if ( ! empty($data) ) { | ||
|  | 			include_once( ABSPATH . 'wp-admin/admin-header.php'); | ||
|  | 			echo $data; | ||
|  | 			include( ABSPATH . 'wp-admin/admin-footer.php'); | ||
|  | 			exit; | ||
|  | 		} | ||
|  | 		return; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if ( ! is_object($wp_filesystem) ) | ||
|  | 		return new WP_Error('fs_unavailable', __('Could not access filesystem.')); | ||
|  | 
 | ||
|  | 	if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) | ||
|  | 		return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors); | ||
|  | 
 | ||
|  | 	// Get the base plugin folder.
 | ||
|  | 	$themes_dir = $wp_filesystem->wp_themes_dir(); | ||
|  | 	if ( empty( $themes_dir ) ) { | ||
|  | 		return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) ); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	$themes_dir = trailingslashit( $themes_dir ); | ||
|  | 	$theme_dir = trailingslashit( $themes_dir . $stylesheet ); | ||
|  | 	$deleted = $wp_filesystem->delete( $theme_dir, true ); | ||
|  | 
 | ||
|  | 	if ( ! $deleted ) { | ||
|  | 		return new WP_Error( 'could_not_remove_theme', sprintf( __( 'Could not fully remove the theme %s.' ), $stylesheet ) ); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	$theme_translations = wp_get_installed_translations( 'themes' ); | ||
|  | 
 | ||
|  | 	// Remove language files, silently.
 | ||
|  | 	if ( ! empty( $theme_translations[ $stylesheet ] ) ) { | ||
|  | 		$translations = $theme_translations[ $stylesheet ]; | ||
|  | 
 | ||
|  | 		foreach ( $translations as $translation => $data ) { | ||
|  | 			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' ); | ||
|  | 			$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' ); | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Remove the theme from allowed themes on the network.
 | ||
|  | 	if ( is_multisite() ) { | ||
|  | 		WP_Theme::network_disable_theme( $stylesheet ); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Force refresh of theme update information.
 | ||
|  | 	delete_site_transient( 'update_themes' ); | ||
|  | 
 | ||
|  | 	return true; | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Get the Page Templates available in this theme | ||
|  |  * | ||
|  |  * @since 1.5.0 | ||
|  |  * @since 4.7.0 Added the `$post_type` parameter. | ||
|  |  * | ||
|  |  * @param WP_Post|null $post      Optional. The post being edited, provided for context. | ||
|  |  * @param string       $post_type Optional. Post type to get the templates for. Default 'page'. | ||
|  |  * @return array Key is the template name, value is the filename of the template | ||
|  |  */ | ||
|  | function get_page_templates( $post = null, $post_type = 'page' ) { | ||
|  | 	return array_flip( wp_get_theme()->get_page_templates( $post, $post_type ) ); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Tidies a filename for url display by the theme editor. | ||
|  |  * | ||
|  |  * @since 2.9.0 | ||
|  |  * @access private | ||
|  |  * | ||
|  |  * @param string $fullpath Full path to the theme file | ||
|  |  * @param string $containingfolder Path of the theme parent folder | ||
|  |  * @return string | ||
|  |  */ | ||
|  | function _get_template_edit_filename($fullpath, $containingfolder) { | ||
|  | 	return str_replace(dirname(dirname( $containingfolder )) , '', $fullpath); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Check if there is an update for a theme available. | ||
|  |  * | ||
|  |  * Will display link, if there is an update available. | ||
|  |  * | ||
|  |  * @since 2.7.0 | ||
|  |  * @see get_theme_update_available() | ||
|  |  * | ||
|  |  * @param WP_Theme $theme Theme data object. | ||
|  |  */ | ||
|  | function theme_update_available( $theme ) { | ||
|  | 	echo get_theme_update_available( $theme ); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Retrieve the update link if there is a theme update available. | ||
|  |  * | ||
|  |  * Will return a link if there is an update available. | ||
|  |  * | ||
|  |  * @since 3.8.0 | ||
|  |  * | ||
|  |  * @staticvar object $themes_update | ||
|  |  * | ||
|  |  * @param WP_Theme $theme WP_Theme object. | ||
|  |  * @return false|string HTML for the update link, or false if invalid info was passed. | ||
|  |  */ | ||
|  | function get_theme_update_available( $theme ) { | ||
|  | 	static $themes_update = null; | ||
|  | 
 | ||
|  | 	if ( !current_user_can('update_themes' ) ) | ||
|  | 		return false; | ||
|  | 
 | ||
|  | 	if ( !isset($themes_update) ) | ||
|  | 		$themes_update = get_site_transient('update_themes'); | ||
|  | 
 | ||
|  | 	if ( ! ( $theme instanceof WP_Theme ) ) { | ||
|  | 		return false; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	$stylesheet = $theme->get_stylesheet(); | ||
|  | 
 | ||
|  | 	$html = ''; | ||
|  | 
 | ||
|  | 	if ( isset($themes_update->response[ $stylesheet ]) ) { | ||
|  | 		$update = $themes_update->response[ $stylesheet ]; | ||
|  | 		$theme_name = $theme->display('Name'); | ||
|  | 		$details_url = add_query_arg(array('TB_iframe' => 'true', 'width' => 1024, 'height' => 800), $update['url']); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list.
 | ||
|  | 		$update_url = wp_nonce_url( admin_url( 'update.php?action=upgrade-theme&theme=' . urlencode( $stylesheet ) ), 'upgrade-theme_' . $stylesheet ); | ||
|  | 
 | ||
|  | 		if ( !is_multisite() ) { | ||
|  | 			if ( ! current_user_can('update_themes') ) { | ||
|  | 				/* translators: 1: theme name, 2: theme details URL, 3: additional link attributes, 4: version number */ | ||
|  | 				$html = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>.' ) . '</strong></p>', | ||
|  | 					$theme_name, | ||
|  | 					esc_url( $details_url ), | ||
|  | 					sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"', | ||
|  | 						/* translators: 1: theme name, 2: version number */ | ||
|  | 						esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) ) | ||
|  | 					), | ||
|  | 					$update['new_version'] | ||
|  | 				); | ||
|  | 			} elseif ( empty( $update['package'] ) ) { | ||
|  | 				/* translators: 1: theme name, 2: theme details URL, 3: additional link attributes, 4: version number */ | ||
|  | 				$html = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a>. <em>Automatic update is unavailable for this theme.</em>' ) . '</strong></p>', | ||
|  | 					$theme_name, | ||
|  | 					esc_url( $details_url ), | ||
|  | 					sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"', | ||
|  | 						/* translators: 1: theme name, 2: version number */ | ||
|  | 						esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) ) | ||
|  | 					), | ||
|  | 					$update['new_version'] | ||
|  | 				); | ||
|  | 			} else { | ||
|  | 				/* translators: 1: theme name, 2: theme details URL, 3: additional link attributes, 4: version number, 5: update URL, 6: additional link attributes */ | ||
|  | 				$html = sprintf( '<p><strong>' . __( 'There is a new version of %1$s available. <a href="%2$s" %3$s>View version %4$s details</a> or <a href="%5$s" %6$s>update now</a>.' ) . '</strong></p>', | ||
|  | 					$theme_name, | ||
|  | 					esc_url( $details_url ), | ||
|  | 					sprintf( 'class="thickbox open-plugin-details-modal" aria-label="%s"', | ||
|  | 						/* translators: 1: theme name, 2: version number */ | ||
|  | 						esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $theme_name, $update['new_version'] ) ) | ||
|  | 					), | ||
|  | 					$update['new_version'], | ||
|  | 					$update_url, | ||
|  | 					sprintf( 'aria-label="%s" id="update-theme" data-slug="%s"', | ||
|  | 						/* translators: %s: theme name */ | ||
|  | 						esc_attr( sprintf( __( 'Update %s now' ), $theme_name ) ), | ||
|  | 						$stylesheet | ||
|  | 					) | ||
|  | 				); | ||
|  | 			} | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return $html; | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Retrieve list of WordPress theme features (aka theme tags) | ||
|  |  * | ||
|  |  * @since 3.1.0 | ||
|  |  * | ||
|  |  * @param bool $api Optional. Whether try to fetch tags from the WordPress.org API. Defaults to true. | ||
|  |  * @return array Array of features keyed by category with translations keyed by slug. | ||
|  |  */ | ||
|  | function get_theme_feature_list( $api = true ) { | ||
|  | 	// Hard-coded list is used if api not accessible.
 | ||
|  | 	$features = array( | ||
|  | 
 | ||
|  | 		__( 'Subject' )  => array( | ||
|  | 			'blog'           => __( 'Blog' ), | ||
|  | 			'e-commerce'     => __( 'E-Commerce' ), | ||
|  | 			'education'      => __( 'Education' ), | ||
|  | 			'entertainment'  => __( 'Entertainment' ), | ||
|  | 			'food-and-drink' => __( 'Food & Drink' ), | ||
|  | 			'holiday'        => __( 'Holiday' ), | ||
|  | 			'news'           => __( 'News' ), | ||
|  | 			'photography'    => __( 'Photography' ), | ||
|  | 			'portfolio'      => __( 'Portfolio' ), | ||
|  | 		), | ||
|  | 
 | ||
|  | 		__( 'Features' ) => array( | ||
|  | 			'accessibility-ready'   => __( 'Accessibility Ready' ), | ||
|  | 			'custom-background'     => __( 'Custom Background' ), | ||
|  | 			'custom-colors'         => __( 'Custom Colors' ), | ||
|  | 			'custom-header'         => __( 'Custom Header' ), | ||
|  | 			'custom-logo'           => __( 'Custom Logo' ), | ||
|  | 			'editor-style'          => __( 'Editor Style' ), | ||
|  | 			'featured-image-header' => __( 'Featured Image Header' ), | ||
|  | 			'featured-images'       => __( 'Featured Images' ), | ||
|  | 			'footer-widgets'        => __( 'Footer Widgets' ), | ||
|  | 			'full-width-template'   => __( 'Full Width Template' ), | ||
|  | 			'post-formats'          => __( 'Post Formats' ), | ||
|  | 			'sticky-post'           => __( 'Sticky Post' ), | ||
|  | 			'theme-options'         => __( 'Theme Options' ), | ||
|  | 		), | ||
|  | 
 | ||
|  | 		__( 'Layout' ) => array( | ||
|  | 			'grid-layout'   => __( 'Grid Layout' ), | ||
|  | 			'one-column'    => __( 'One Column' ), | ||
|  | 			'two-columns'   => __( 'Two Columns' ), | ||
|  | 			'three-columns' => __( 'Three Columns' ), | ||
|  | 			'four-columns'  => __( 'Four Columns' ), | ||
|  | 			'left-sidebar'  => __( 'Left Sidebar' ), | ||
|  | 			'right-sidebar' => __( 'Right Sidebar' ), | ||
|  | 		) | ||
|  | 
 | ||
|  | 	); | ||
|  | 
 | ||
|  | 	if ( ! $api || ! current_user_can( 'install_themes' ) ) | ||
|  | 		return $features; | ||
|  | 
 | ||
|  | 	if ( !$feature_list = get_site_transient( 'wporg_theme_feature_list' ) ) | ||
|  | 		set_site_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS ); | ||
|  | 
 | ||
|  | 	if ( !$feature_list ) { | ||
|  | 		$feature_list = themes_api( 'feature_list', array() ); | ||
|  | 		if ( is_wp_error( $feature_list ) ) | ||
|  | 			return $features; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if ( !$feature_list ) | ||
|  | 		return $features; | ||
|  | 
 | ||
|  | 	set_site_transient( 'wporg_theme_feature_list', $feature_list, 3 * HOUR_IN_SECONDS ); | ||
|  | 
 | ||
|  | 	$category_translations = array( | ||
|  | 		'Layout'   => __( 'Layout' ), | ||
|  | 		'Features' => __( 'Features' ), | ||
|  | 		'Subject'  => __( 'Subject' ), | ||
|  | 	); | ||
|  | 
 | ||
|  | 	// Loop over the wporg canonical list and apply translations
 | ||
|  | 	$wporg_features = array(); | ||
|  | 	foreach ( (array) $feature_list as $feature_category => $feature_items ) { | ||
|  | 		if ( isset($category_translations[$feature_category]) ) | ||
|  | 			$feature_category = $category_translations[$feature_category]; | ||
|  | 		$wporg_features[$feature_category] = array(); | ||
|  | 
 | ||
|  | 		foreach ( $feature_items as $feature ) { | ||
|  | 			if ( isset($features[$feature_category][$feature]) ) | ||
|  | 				$wporg_features[$feature_category][$feature] = $features[$feature_category][$feature]; | ||
|  | 			else | ||
|  | 				$wporg_features[$feature_category][$feature] = $feature; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return $wporg_features; | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Retrieves theme installer pages from the WordPress.org Themes API. | ||
|  |  * | ||
|  |  * It is possible for a theme to override the Themes API result with three | ||
|  |  * filters. Assume this is for themes, which can extend on the Theme Info to | ||
|  |  * offer more choices. This is very powerful and must be used with care, when | ||
|  |  * overriding the filters. | ||
|  |  * | ||
|  |  * The first filter, {@see 'themes_api_args'}, is for the args and gives the action | ||
|  |  * as the second parameter. The hook for {@see 'themes_api_args'} must ensure that | ||
|  |  * an object is returned. | ||
|  |  * | ||
|  |  * The second filter, {@see 'themes_api'}, allows a plugin to override the WordPress.org | ||
|  |  * Theme API entirely. If `$action` is 'query_themes', 'theme_information', or 'feature_list', | ||
|  |  * an object MUST be passed. If `$action` is 'hot_tags', an array should be passed. | ||
|  |  * | ||
|  |  * Finally, the third filter, {@see 'themes_api_result'}, makes it possible to filter the | ||
|  |  * response object or array, depending on the `$action` type. | ||
|  |  * | ||
|  |  * Supported arguments per action: | ||
|  |  * | ||
|  |  * | Argument Name      | 'query_themes' | 'theme_information' | 'hot_tags' | 'feature_list'   | | ||
|  |  * | -------------------| :------------: | :-----------------: | :--------: | :--------------: | | ||
|  |  * | `$slug`            | No             |  Yes                | No         | No               | | ||
|  |  * | `$per_page`        | Yes            |  No                 | No         | No               | | ||
|  |  * | `$page`            | Yes            |  No                 | No         | No               | | ||
|  |  * | `$number`          | No             |  No                 | Yes        | No               | | ||
|  |  * | `$search`          | Yes            |  No                 | No         | No               | | ||
|  |  * | `$tag`             | Yes            |  No                 | No         | No               | | ||
|  |  * | `$author`          | Yes            |  No                 | No         | No               | | ||
|  |  * | `$user`            | Yes            |  No                 | No         | No               | | ||
|  |  * | `$browse`          | Yes            |  No                 | No         | No               | | ||
|  |  * | `$locale`          | Yes            |  Yes                | No         | No               | | ||
|  |  * | `$fields`          | Yes            |  Yes                | No         | No               | | ||
|  |  * | ||
|  |  * @since 2.8.0 | ||
|  |  * | ||
|  |  * @param string       $action API action to perform: 'query_themes', 'theme_information', | ||
|  |  *                             'hot_tags' or 'feature_list'. | ||
|  |  * @param array|object $args   { | ||
|  |  *     Optional. Array or object of arguments to serialize for the Themes API. | ||
|  |  * | ||
|  |  *     @type string  $slug     The theme slug. Default empty. | ||
|  |  *     @type int     $per_page Number of themes per page. Default 24. | ||
|  |  *     @type int     $page     Number of current page. Default 1. | ||
|  |  *     @type int     $number   Number of tags to be queried. | ||
|  |  *     @type string  $search   A search term. Default empty. | ||
|  |  *     @type string  $tag      Tag to filter themes. Default empty. | ||
|  |  *     @type string  $author   Username of an author to filter themes. Default empty. | ||
|  |  *     @type string  $user     Username to query for their favorites. Default empty. | ||
|  |  *     @type string  $browse   Browse view: 'featured', 'popular', 'updated', 'favorites'. | ||
|  |  *     @type string  $locale   Locale to provide context-sensitive results. Default is the value of get_locale(). | ||
|  |  *     @type array   $fields   { | ||
|  |  *         Array of fields which should or should not be returned. | ||
|  |  * | ||
|  |  *         @type bool $description        Whether to return the theme full description. Default false. | ||
|  |  *         @type bool $sections           Whether to return the theme readme sections: description, installation, | ||
|  |  *                                        FAQ, screenshots, other notes, and changelog. Default false. | ||
|  |  *         @type bool $rating             Whether to return the rating in percent and total number of ratings. | ||
|  |  *                                        Default false. | ||
|  |  *         @type bool $ratings            Whether to return the number of rating for each star (1-5). Default false. | ||
|  |  *         @type bool $downloaded         Whether to return the download count. Default false. | ||
|  |  *         @type bool $downloadlink       Whether to return the download link for the package. Default false. | ||
|  |  *         @type bool $last_updated       Whether to return the date of the last update. Default false. | ||
|  |  *         @type bool $tags               Whether to return the assigned tags. Default false. | ||
|  |  *         @type bool $homepage           Whether to return the theme homepage link. Default false. | ||
|  |  *         @type bool $screenshots        Whether to return the screenshots. Default false. | ||
|  |  *         @type int  $screenshot_count   Number of screenshots to return. Default 1. | ||
|  |  *         @type bool $screenshot_url     Whether to return the URL of the first screenshot. Default false. | ||
|  |  *         @type bool $photon_screenshots Whether to return the screenshots via Photon. Default false. | ||
|  |  *         @type bool $template           Whether to return the slug of the parent theme. Default false. | ||
|  |  *         @type bool $parent             Whether to return the slug, name and homepage of the parent theme. Default false. | ||
|  |  *         @type bool $versions           Whether to return the list of all available versions. Default false. | ||
|  |  *         @type bool $theme_url          Whether to return theme's URL. Default false. | ||
|  |  *         @type bool $extended_author    Whether to return nicename or nicename and display name. Default false. | ||
|  |  *     } | ||
|  |  * } | ||
|  |  * @return object|array|WP_Error Response object or array on success, WP_Error on failure. See the | ||
|  |  *         {@link https://developer.wordpress.org/reference/functions/themes_api/ function reference article} | ||
|  |  *         for more information on the make-up of possible return objects depending on the value of `$action`. | ||
|  |  */ | ||
|  | function themes_api( $action, $args = array() ) { | ||
|  | 
 | ||
|  | 	if ( is_array( $args ) ) { | ||
|  | 		$args = (object) $args; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if ( ! isset( $args->per_page ) ) { | ||
|  | 		$args->per_page = 24; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	if ( ! isset( $args->locale ) ) { | ||
|  | 		$args->locale = get_user_locale(); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters arguments used to query for installer pages from the WordPress.org Themes API. | ||
|  | 	 * | ||
|  | 	 * Important: An object MUST be returned to this filter. | ||
|  | 	 * | ||
|  | 	 * @since 2.8.0 | ||
|  | 	 * | ||
|  | 	 * @param object $args   Arguments used to query for installer pages from the WordPress.org Themes API. | ||
|  | 	 * @param string $action Requested action. Likely values are 'theme_information', | ||
|  | 	 *                       'feature_list', or 'query_themes'. | ||
|  | 	 */ | ||
|  | 	$args = apply_filters( 'themes_api_args', $args, $action ); | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters whether to override the WordPress.org Themes API. | ||
|  | 	 * | ||
|  | 	 * Passing a non-false value will effectively short-circuit the WordPress.org API request. | ||
|  | 	 * | ||
|  | 	 * If `$action` is 'query_themes', 'theme_information', or 'feature_list', an object MUST | ||
|  | 	 * be passed. If `$action` is 'hot_tags', an array should be passed. | ||
|  | 	 * | ||
|  | 	 * @since 2.8.0 | ||
|  | 	 * | ||
|  | 	 * @param false|object|array $override Whether to override the WordPress.org Themes API. Default false. | ||
|  | 	 * @param string             $action   Requested action. Likely values are 'theme_information', | ||
|  | 	 *                                    'feature_list', or 'query_themes'. | ||
|  | 	 * @param object             $args     Arguments used to query for installer pages from the Themes API. | ||
|  | 	 */ | ||
|  | 	$res = apply_filters( 'themes_api', false, $action, $args ); | ||
|  | 
 | ||
|  | 	if ( ! $res ) { | ||
|  | 		// include an unmodified $wp_version
 | ||
|  | 		include( ABSPATH . WPINC . '/version.php' ); | ||
|  | 
 | ||
|  | 		$url = $http_url = 'http://api.wordpress.org/themes/info/1.0/'; | ||
|  | 		if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) | ||
|  | 			$url = set_url_scheme( $url, 'https' ); | ||
|  | 
 | ||
|  | 		$http_args = array( | ||
|  | 			'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), | ||
|  | 			'body' => array( | ||
|  | 				'action' => $action, | ||
|  | 				'request' => serialize( $args ) | ||
|  | 			) | ||
|  | 		); | ||
|  | 		$request = wp_remote_post( $url, $http_args ); | ||
|  | 
 | ||
|  | 		if ( $ssl && is_wp_error( $request ) ) { | ||
|  | 			if ( ! wp_doing_ajax() ) { | ||
|  | 				trigger_error( | ||
|  | 					sprintf( | ||
|  | 						/* translators: %s: support forums URL */ | ||
|  | 						__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), | ||
|  | 						__( 'https://wordpress.org/support/' ) | ||
|  | 					) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), | ||
|  | 					headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE | ||
|  | 				); | ||
|  | 			} | ||
|  | 			$request = wp_remote_post( $http_url, $http_args ); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if ( is_wp_error($request) ) { | ||
|  | 			$res = new WP_Error( 'themes_api_failed', | ||
|  | 				sprintf( | ||
|  | 					/* translators: %s: support forums URL */ | ||
|  | 					__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), | ||
|  | 					__( 'https://wordpress.org/support/' ) | ||
|  | 				), | ||
|  | 				$request->get_error_message() | ||
|  | 			); | ||
|  | 		} else { | ||
|  | 			$res = maybe_unserialize( wp_remote_retrieve_body( $request ) ); | ||
|  | 			if ( ! is_object( $res ) && ! is_array( $res ) ) { | ||
|  | 				$res = new WP_Error( 'themes_api_failed', | ||
|  | 					sprintf( | ||
|  | 						/* translators: %s: support forums URL */ | ||
|  | 						__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ), | ||
|  | 						__( 'https://wordpress.org/support/' ) | ||
|  | 					), | ||
|  | 					wp_remote_retrieve_body( $request ) | ||
|  | 				); | ||
|  | 			} | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters the returned WordPress.org Themes API response. | ||
|  | 	 * | ||
|  | 	 * @since 2.8.0 | ||
|  | 	 * | ||
|  | 	 * @param array|object|WP_Error $res    WordPress.org Themes API response. | ||
|  | 	 * @param string                $action Requested action. Likely values are 'theme_information', | ||
|  | 	 *                                      'feature_list', or 'query_themes'. | ||
|  | 	 * @param object                $args   Arguments used to query for installer pages from the WordPress.org Themes API. | ||
|  | 	 */ | ||
|  | 	return apply_filters( 'themes_api_result', $res, $action, $args ); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Prepare themes for JavaScript. | ||
|  |  * | ||
|  |  * @since 3.8.0 | ||
|  |  * | ||
|  |  * @param array $themes Optional. Array of WP_Theme objects to prepare. | ||
|  |  *                      Defaults to all allowed themes. | ||
|  |  * | ||
|  |  * @return array An associative array of theme data, sorted by name. | ||
|  |  */ | ||
|  | function wp_prepare_themes_for_js( $themes = null ) { | ||
|  | 	$current_theme = get_stylesheet(); | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters theme data before it is prepared for JavaScript. | ||
|  | 	 * | ||
|  | 	 * Passing a non-empty array will result in wp_prepare_themes_for_js() returning | ||
|  | 	 * early with that value instead. | ||
|  | 	 * | ||
|  | 	 * @since 4.2.0 | ||
|  | 	 * | ||
|  | 	 * @param array      $prepared_themes An associative array of theme data. Default empty array. | ||
|  | 	 * @param null|array $themes          An array of WP_Theme objects to prepare, if any. | ||
|  | 	 * @param string     $current_theme   The current theme slug. | ||
|  | 	 */ | ||
|  | 	$prepared_themes = (array) apply_filters( 'pre_prepare_themes_for_js', array(), $themes, $current_theme ); | ||
|  | 
 | ||
|  | 	if ( ! empty( $prepared_themes ) ) { | ||
|  | 		return $prepared_themes; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Make sure the current theme is listed first.
 | ||
|  | 	$prepared_themes[ $current_theme ] = array(); | ||
|  | 
 | ||
|  | 	if ( null === $themes ) { | ||
|  | 		$themes = wp_get_themes( array( 'allowed' => true ) ); | ||
|  | 		if ( ! isset( $themes[ $current_theme ] ) ) { | ||
|  | 			$themes[ $current_theme ] = wp_get_theme(); | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	$updates = array(); | ||
|  | 	if ( current_user_can( 'update_themes' ) ) { | ||
|  | 		$updates_transient = get_site_transient( 'update_themes' ); | ||
|  | 		if ( isset( $updates_transient->response ) ) { | ||
|  | 			$updates = $updates_transient->response; | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	WP_Theme::sort_by_name( $themes ); | ||
|  | 
 | ||
|  | 	$parents = array(); | ||
|  | 
 | ||
|  | 	foreach ( $themes as $theme ) { | ||
|  | 		$slug = $theme->get_stylesheet(); | ||
|  | 		$encoded_slug = urlencode( $slug ); | ||
|  | 
 | ||
|  | 		$parent = false; | ||
|  | 		if ( $theme->parent() ) { | ||
|  | 			$parent = $theme->parent(); | ||
|  | 			$parents[ $slug ] = $parent->get_stylesheet(); | ||
|  | 			$parent = $parent->display( 'Name' ); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		$customize_action = null; | ||
|  | 		if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) { | ||
|  | 			$customize_action = esc_url( add_query_arg( | ||
|  | 				array( | ||
|  | 					'return' => urlencode( esc_url_raw( remove_query_arg( wp_removable_query_args(), wp_unslash( $_SERVER['REQUEST_URI'] ) ) ) ), | ||
|  | 				), | ||
|  | 				wp_customize_url( $slug ) | ||
|  | 			) ); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		$prepared_themes[ $slug ] = array( | ||
|  | 			'id'           => $slug, | ||
|  | 			'name'         => $theme->display( 'Name' ), | ||
|  | 			'screenshot'   => array( $theme->get_screenshot() ), // @todo multiple
 | ||
|  | 			'description'  => $theme->display( 'Description' ), | ||
|  | 			'author'       => $theme->display( 'Author', false, true ), | ||
|  | 			'authorAndUri' => $theme->display( 'Author' ), | ||
|  | 			'version'      => $theme->display( 'Version' ), | ||
|  | 			'tags'         => $theme->display( 'Tags' ), | ||
|  | 			'parent'       => $parent, | ||
|  | 			'active'       => $slug === $current_theme, | ||
|  | 			'hasUpdate'    => isset( $updates[ $slug ] ), | ||
|  | 			'hasPackage'   => isset( $updates[ $slug ] ) && ! empty( $updates[ $slug ][ 'package' ] ), | ||
|  | 			'update'       => get_theme_update_available( $theme ), | ||
|  | 			'actions'      => array( | ||
|  | 				'activate' => current_user_can( 'switch_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=activate&stylesheet=' . $encoded_slug ), 'switch-theme_' . $slug ) : null, | ||
|  | 				'customize' => $customize_action, | ||
|  | 				'delete'   => current_user_can( 'delete_themes' ) ? wp_nonce_url( admin_url( 'themes.php?action=delete&stylesheet=' . $encoded_slug ), 'delete-theme_' . $slug ) : null, | ||
|  | 			), | ||
|  | 		); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Remove 'delete' action if theme has an active child
 | ||
|  | 	if ( ! empty( $parents ) && array_key_exists( $current_theme, $parents ) ) { | ||
|  | 		unset( $prepared_themes[ $parents[ $current_theme ] ]['actions']['delete'] ); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Filters the themes prepared for JavaScript, for themes.php. | ||
|  | 	 * | ||
|  | 	 * Could be useful for changing the order, which is by name by default. | ||
|  | 	 * | ||
|  | 	 * @since 3.8.0 | ||
|  | 	 * | ||
|  | 	 * @param array $prepared_themes Array of themes. | ||
|  | 	 */ | ||
|  | 	$prepared_themes = apply_filters( 'wp_prepare_themes_for_js', $prepared_themes ); | ||
|  | 	$prepared_themes = array_values( $prepared_themes ); | ||
|  | 	return array_filter( $prepared_themes ); | ||
|  | } | ||
|  | 
 | ||
|  | /** | ||
|  |  * Print JS templates for the theme-browsing UI in the Customizer. | ||
|  |  * | ||
|  |  * @since 4.2.0 | ||
|  |  */ | ||
|  | function customize_themes_print_templates() { | ||
|  | 	?>
 | ||
|  | 	<script type="text/html" id="tmpl-customize-themes-details-view"> | ||
|  | 		<div class="theme-backdrop"></div> | ||
|  | 		<div class="theme-wrap wp-clearfix" role="document"> | ||
|  | 			<div class="theme-header"> | ||
|  | 				<button type="button" class="left dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show previous theme' ); ?></span></button>
 | ||
|  | 				<button type="button" class="right dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Show next theme' ); ?></span></button>
 | ||
|  | 				<button type="button" class="close dashicons dashicons-no"><span class="screen-reader-text"><?php _e( 'Close details dialog' ); ?></span></button>
 | ||
|  | 			</div> | ||
|  | 			<div class="theme-about wp-clearfix"> | ||
|  | 				<div class="theme-screenshots"> | ||
|  | 				<# if ( data.screenshot && data.screenshot[0] ) { #>
 | ||
|  | 					<div class="screenshot"><img src="{{ data.screenshot[0] }}" alt="" /></div> | ||
|  | 				<# } else { #>
 | ||
|  | 					<div class="screenshot blank"></div> | ||
|  | 				<# } #>
 | ||
|  | 				</div> | ||
|  | 
 | ||
|  | 				<div class="theme-info"> | ||
|  | 					<# if ( data.active ) { #>
 | ||
|  | 						<span class="current-label"><?php _e( 'Current Theme' ); ?></span>
 | ||
|  | 					<# } #>
 | ||
|  | 					<h2 class="theme-name">{{{ data.name }}}<span class="theme-version"><?php printf( __( 'Version: %s' ), '{{ data.version }}' ); ?></span></h2>
 | ||
|  | 					<h3 class="theme-author"><?php printf( __( 'By %s' ), '{{{ data.authorAndUri }}}' ); ?></h3>
 | ||
|  | 
 | ||
|  | 					<# if ( data.stars && 0 != data.num_ratings ) { #>
 | ||
|  | 						<div class="theme-rating"> | ||
|  | 							{{{ data.stars }}} | ||
|  | 							<span class="num-ratings"> | ||
|  | 								<?php | ||
|  | 								/* translators: %s: number of ratings */ | ||
|  | 								echo sprintf( __( '(%s ratings)' ), '{{ data.num_ratings }}' ); | ||
|  | 								?>
 | ||
|  | 							</span> | ||
|  | 						</div> | ||
|  | 					<# } #>
 | ||
|  | 
 | ||
|  | 					<# if ( data.hasUpdate ) { #>
 | ||
|  | 						<div class="notice notice-warning notice-alt notice-large" data-slug="{{ data.id }}"> | ||
|  | 							<h3 class="notice-title"><?php _e( 'Update Available' ); ?></h3>
 | ||
|  | 							{{{ data.update }}} | ||
|  | 						</div> | ||
|  | 					<# } #>
 | ||
|  | 
 | ||
|  | 					<# if ( data.parent ) { #>
 | ||
|  | 						<p class="parent-theme"><?php printf( __( 'This is a child theme of %s.' ), '<strong>{{{ data.parent }}}</strong>' ); ?></p>
 | ||
|  | 					<# } #>
 | ||
|  | 
 | ||
|  | 					<p class="theme-description">{{{ data.description }}}</p> | ||
|  | 
 | ||
|  | 					<# if ( data.tags ) { #>
 | ||
|  | 						<p class="theme-tags"><span><?php _e( 'Tags:' ); ?></span> {{{ data.tags }}}</p>
 | ||
|  | 					<# } #>
 | ||
|  | 				</div> | ||
|  | 			</div> | ||
|  | 
 | ||
|  | 			<div class="theme-actions"> | ||
|  | 				<# if ( data.active ) { #>
 | ||
|  | 					<button type="button" class="button button-primary customize-theme"><?php _e( 'Customize' ); ?></button>
 | ||
|  | 				<# } else if ( 'installed' === data.type ) { #>
 | ||
|  | 					<?php if ( current_user_can( 'delete_themes' ) ) { ?>
 | ||
|  | 						<# if ( data.actions && data.actions['delete'] ) { #>
 | ||
|  | 							<a href="{{{ data.actions['delete'] }}}" data-slug="{{ data.id }}" class="button button-secondary delete-theme"><?php _e( 'Delete' ); ?></a>
 | ||
|  | 						<# } #>
 | ||
|  | 					<?php } ?>
 | ||
|  | 					<button type="button" class="button button-primary preview-theme" data-slug="{{ data.id }}"><?php _e( 'Live Preview' ); ?></button>
 | ||
|  | 				<# } else { #>
 | ||
|  | 					<button type="button" class="button theme-install" data-slug="{{ data.id }}"><?php _e( 'Install' ); ?></button>
 | ||
|  | 					<button type="button" class="button button-primary theme-install preview" data-slug="{{ data.id }}"><?php _e( 'Install & Preview' ); ?></button>
 | ||
|  | 				<# } #>
 | ||
|  | 			</div> | ||
|  | 		</div> | ||
|  | 	</script> | ||
|  | 	<?php | ||
|  | } |