X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/f9001779751f83dc8a10e478bfecb4d8dd5f964c..fa11948979fd6a4ea5705dc613b239699a459db3:/wp-includes/theme.php diff --git a/wp-includes/theme.php b/wp-includes/theme.php index c2960557..e12ac74d 100644 --- a/wp-includes/theme.php +++ b/wp-includes/theme.php @@ -3,9 +3,123 @@ * Theme, template, and stylesheet functions. * * @package WordPress - * @subpackage Template + * @subpackage Theme */ +/** + * Returns an array of WP_Theme objects based on the arguments. + * + * Despite advances over get_themes(), this function is quite expensive, and grows + * linearly with additional themes. Stick to wp_get_theme() if possible. + * + * @since 3.4.0 + * + * @param array $args The search arguments. Optional. + * - errors mixed True to return themes with errors, false to return themes without errors, null + * to return all themes. Defaults to false. + * - allowed mixed (Multisite) True to return only allowed themes for a site. False to return only + * disallowed themes for a site. 'site' to return only site-allowed themes. 'network' + * to return only network-allowed themes. Null to return all themes. Defaults to null. + * - blog_id int (Multisite) The blog ID used to calculate which themes are allowed. Defaults to 0, + * synonymous for the current blog. + * @return Array of WP_Theme objects. + */ +function wp_get_themes( $args = array() ) { + global $wp_theme_directories; + + $defaults = array( 'errors' => false, 'allowed' => null, 'blog_id' => 0 ); + $args = wp_parse_args( $args, $defaults ); + + $theme_directories = search_theme_directories(); + + if ( count( $wp_theme_directories ) > 1 ) { + // Make sure the current theme wins out, in case search_theme_directories() picks the wrong + // one in the case of a conflict. (Normally, last registered theme root wins.) + $current_theme = get_stylesheet(); + if ( isset( $theme_directories[ $current_theme ] ) ) { + $root_of_current_theme = get_raw_theme_root( $current_theme ); + if ( ! in_array( $root_of_current_theme, $wp_theme_directories ) ) + $root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme; + $theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme; + } + } + + if ( empty( $theme_directories ) ) + return array(); + + if ( is_multisite() && null !== $args['allowed'] ) { + $allowed = $args['allowed']; + if ( 'network' === $allowed ) + $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() ); + elseif ( 'site' === $allowed ) + $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) ); + elseif ( $allowed ) + $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) ); + else + $theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) ); + } + + $themes = array(); + static $_themes = array(); + + foreach ( $theme_directories as $theme => $theme_root ) { + if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) ) + $themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ]; + else + $themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] ); + } + + if ( null !== $args['errors'] ) { + foreach ( $themes as $theme => $wp_theme ) { + if ( $wp_theme->errors() != $args['errors'] ) + unset( $themes[ $theme ] ); + } + } + + return $themes; +} + +/** + * Gets a WP_Theme object for a theme. + * + * @since 3.4.0 + * + * @param string $stylesheet Directory name for the theme. Optional. Defaults to current theme. + * @param string $theme_root Absolute path of the theme root to look in. Optional. If not specified, get_raw_theme_root() + * is used to calculate the theme root for the $stylesheet provided (or current theme). + * @return WP_Theme Theme object. Be sure to check the object's exists() method if you need to confirm the theme's existence. + */ +function wp_get_theme( $stylesheet = null, $theme_root = null ) { + global $wp_theme_directories; + + if ( empty( $stylesheet ) ) + $stylesheet = get_stylesheet(); + + if ( empty( $theme_root ) ) { + $theme_root = get_raw_theme_root( $stylesheet ); + if ( false === $theme_root ) + $theme_root = WP_CONTENT_DIR . '/themes'; + elseif ( ! in_array( $theme_root, (array) $wp_theme_directories ) ) + $theme_root = WP_CONTENT_DIR . $theme_root; + } + + return new WP_Theme( $stylesheet, $theme_root ); +} + +/** + * Clears the cache held by get_theme_roots() and WP_Theme. + * + * @since 3.5.0 + * @param bool $clear_update_cache Whether to clear the Theme updates cache + */ +function wp_clean_themes_cache( $clear_update_cache = true ) { + if ( $clear_update_cache ) + delete_site_transient( 'update_themes' ); + search_theme_directories( true ); + foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme ) + $theme->cache_delete(); +} + /** * Whether a child theme is in use. * @@ -79,7 +193,7 @@ function get_stylesheet_directory_uri() { */ function get_stylesheet_uri() { $stylesheet_dir_uri = get_stylesheet_directory_uri(); - $stylesheet_uri = $stylesheet_dir_uri . "/style.css"; + $stylesheet_uri = $stylesheet_dir_uri . '/style.css'; return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri); } @@ -160,314 +274,12 @@ function get_template_directory_uri() { return apply_filters( 'template_directory_uri', $template_dir_uri, $template, $theme_root_uri ); } -/** - * Retrieve theme data from parsed theme file. - * - * The description will have the tags filtered with the following HTML elements - * whitelisted. The 'a' element with the href and title - * attributes. The abbr element with the title attribute. The - * acronym element with the title attribute allowed. The - * code, em, and strong elements also allowed. - * - * The style.css file must contain theme name, theme URI, and description. The - * data can also contain author URI, author, template (parent template), - * version, status, and finally tags. Some of these are not used by WordPress - * administration panels, but are used by theme directory web sites which list - * the theme. - * - * @since 1.5.0 - * - * @param string $theme_file Theme file path. - * @return array Theme data. - */ -function get_theme_data( $theme_file ) { - $default_headers = array( - 'Name' => 'Theme Name', - 'URI' => 'Theme URI', - 'Description' => 'Description', - 'Author' => 'Author', - 'AuthorURI' => 'Author URI', - 'Version' => 'Version', - 'Template' => 'Template', - 'Status' => 'Status', - 'Tags' => 'Tags' - ); - - $themes_allowed_tags = array( - 'a' => array( - 'href' => array(),'title' => array() - ), - 'abbr' => array( - 'title' => array() - ), - 'acronym' => array( - 'title' => array() - ), - 'code' => array(), - 'em' => array(), - 'strong' => array() - ); - - $theme_data = get_file_data( $theme_file, $default_headers, 'theme' ); - - $theme_data['Name'] = $theme_data['Title'] = wp_kses( $theme_data['Name'], $themes_allowed_tags ); - - $theme_data['URI'] = esc_url( $theme_data['URI'] ); - - $theme_data['Description'] = wptexturize( wp_kses( $theme_data['Description'], $themes_allowed_tags ) ); - - $theme_data['AuthorURI'] = esc_url( $theme_data['AuthorURI'] ); - - $theme_data['Template'] = wp_kses( $theme_data['Template'], $themes_allowed_tags ); - - $theme_data['Version'] = wp_kses( $theme_data['Version'], $themes_allowed_tags ); - - if ( $theme_data['Status'] == '' ) - $theme_data['Status'] = 'publish'; - else - $theme_data['Status'] = wp_kses( $theme_data['Status'], $themes_allowed_tags ); - - if ( $theme_data['Tags'] == '' ) - $theme_data['Tags'] = array(); - else - $theme_data['Tags'] = array_map( 'trim', explode( ',', wp_kses( $theme_data['Tags'], array() ) ) ); - - if ( $theme_data['Author'] == '' ) { - $theme_data['Author'] = $theme_data['AuthorName'] = __('Anonymous'); - } else { - $theme_data['AuthorName'] = wp_kses( $theme_data['Author'], $themes_allowed_tags ); - if ( empty( $theme_data['AuthorURI'] ) ) { - $theme_data['Author'] = $theme_data['AuthorName']; - } else { - $theme_data['Author'] = sprintf( '%3$s', $theme_data['AuthorURI'], esc_attr__( 'Visit author homepage' ), $theme_data['AuthorName'] ); - } - } - - return $theme_data; -} - -/** - * Retrieve list of themes with theme data in theme directory. - * - * The theme is broken, if it doesn't have a parent theme and is missing either - * style.css and, or index.php. If the theme has a parent theme then it is - * broken, if it is missing style.css; index.php is optional. The broken theme - * list is saved in the {@link $wp_broken_themes} global, which is displayed on - * the theme list in the administration panels. - * - * @since 1.5.0 - * @global array $wp_broken_themes Stores the broken themes. - * @global array $wp_themes Stores the working themes. - * - * @return array Theme list with theme data. - */ -function get_themes() { - global $wp_themes, $wp_broken_themes; - - if ( isset($wp_themes) ) - return $wp_themes; - - if ( !$theme_files = search_theme_directories() ) - return false; - - asort( $theme_files ); - - $wp_themes = array(); - - foreach ( (array) $theme_files as $theme_file ) { - $theme_root = $theme_file['theme_root']; - $theme_file = $theme_file['theme_file']; - - if ( !is_readable("$theme_root/$theme_file") ) { - $wp_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.')); - continue; - } - - $theme_data = get_theme_data("$theme_root/$theme_file"); - - $name = $theme_data['Name']; - $title = $theme_data['Title']; - $description = wptexturize($theme_data['Description']); - $version = $theme_data['Version']; - $author = $theme_data['Author']; - $template = $theme_data['Template']; - $stylesheet = dirname($theme_file); - - $screenshot = false; - foreach ( array('png', 'gif', 'jpg', 'jpeg') as $ext ) { - if (file_exists("$theme_root/$stylesheet/screenshot.$ext")) { - $screenshot = "screenshot.$ext"; - break; - } - } - - if ( empty($name) ) { - $name = dirname($theme_file); - $title = $name; - } - - $parent_template = $template; - - if ( empty($template) ) { - if ( file_exists("$theme_root/$stylesheet/index.php") ) - $template = $stylesheet; - else - continue; - } - - $template = trim( $template ); - - if ( !file_exists("$theme_root/$template/index.php") ) { - $parent_dir = dirname(dirname($theme_file)); - if ( file_exists("$theme_root/$parent_dir/$template/index.php") ) { - $template = "$parent_dir/$template"; - $template_directory = "$theme_root/$template"; - } else { - /** - * The parent theme doesn't exist in the current theme's folder or sub folder - * so lets use the theme root for the parent template. - */ - if ( isset($theme_files[$template]) && file_exists( $theme_files[$template]['theme_root'] . "/$template/index.php" ) ) { - $template_directory = $theme_files[$template]['theme_root'] . "/$template"; - } else { - if ( empty( $parent_template) ) - $wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'), 'error' => 'no_template'); - else - $wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => sprintf( __('The parent theme is missing. Please install the "%s" parent theme.'), $parent_template ), 'error' => 'no_parent', 'parent' => $parent_template ); - continue; - } - - } - } else { - $template_directory = trim( $theme_root . '/' . $template ); - } - - $stylesheet_files = array(); - $template_files = array(); - - $stylesheet_dir = @ dir("$theme_root/$stylesheet"); - if ( $stylesheet_dir ) { - while ( ($file = $stylesheet_dir->read()) !== false ) { - if ( !preg_match('|^\.+$|', $file) ) { - if ( preg_match('|\.css$|', $file) ) - $stylesheet_files[] = "$theme_root/$stylesheet/$file"; - elseif ( preg_match('|\.php$|', $file) ) - $template_files[] = "$theme_root/$stylesheet/$file"; - } - } - @ $stylesheet_dir->close(); - } - - $template_dir = @ dir("$template_directory"); - if ( $template_dir ) { - while ( ($file = $template_dir->read()) !== false ) { - if ( preg_match('|^\.+$|', $file) ) - continue; - if ( preg_match('|\.php$|', $file) ) { - $template_files[] = "$template_directory/$file"; - } elseif ( is_dir("$template_directory/$file") ) { - $template_subdir = @ dir("$template_directory/$file"); - if ( !$template_subdir ) - continue; - while ( ($subfile = $template_subdir->read()) !== false ) { - if ( preg_match('|^\.+$|', $subfile) ) - continue; - if ( preg_match('|\.php$|', $subfile) ) - $template_files[] = "$template_directory/$file/$subfile"; - } - @ $template_subdir->close(); - } - } - @ $template_dir->close(); - } - - //Make unique and remove duplicates when stylesheet and template are the same i.e. most themes - $template_files = array_unique($template_files); - $stylesheet_files = array_unique($stylesheet_files); - - $template_dir = $template_directory; - $stylesheet_dir = $theme_root . '/' . $stylesheet; - - if ( empty($template_dir) ) - $template_dir = '/'; - if ( empty($stylesheet_dir) ) - $stylesheet_dir = '/'; - - // Check for theme name collision. This occurs if a theme is copied to - // a new theme directory and the theme header is not updated. Whichever - // theme is first keeps the name. Subsequent themes get a suffix applied. - // The Twenty Ten, Default and Classic themes always trump their pretenders. - if ( isset($wp_themes[$name]) ) { - $trump_cards = array( - 'classic' => 'WordPress Classic', - 'default' => 'WordPress Default', - 'twentyten' => 'Twenty Ten', - ); - if ( isset( $trump_cards[ $stylesheet ] ) && $name == $trump_cards[ $stylesheet ] ) { - // If another theme has claimed to be one of our default themes, move - // them aside. - $suffix = $wp_themes[$name]['Stylesheet']; - $new_name = "$name/$suffix"; - $wp_themes[$new_name] = $wp_themes[$name]; - $wp_themes[$new_name]['Name'] = $new_name; - } else { - $name = "$name/$stylesheet"; - } - } - - $theme_roots[$stylesheet] = str_replace( WP_CONTENT_DIR, '', $theme_root ); - $wp_themes[$name] = array( - 'Name' => $name, - 'Title' => $title, - 'Description' => $description, - 'Author' => $author, - 'Author Name' => $theme_data['AuthorName'], - 'Author URI' => $theme_data['AuthorURI'], - 'Version' => $version, - 'Template' => $template, - 'Stylesheet' => $stylesheet, - 'Template Files' => $template_files, - 'Stylesheet Files' => $stylesheet_files, - 'Template Dir' => $template_dir, - 'Stylesheet Dir' => $stylesheet_dir, - 'Status' => $theme_data['Status'], - 'Screenshot' => $screenshot, - 'Tags' => $theme_data['Tags'], - 'Theme Root' => $theme_root, - 'Theme Root URI' => str_replace( WP_CONTENT_DIR, content_url(), $theme_root ), - ); - } - - unset($theme_files); - - /* Store theme roots in the DB */ - if ( get_site_transient( 'theme_roots' ) != $theme_roots ) - set_site_transient( 'theme_roots', $theme_roots, 7200 ); // cache for two hours - unset($theme_roots); - - /* Resolve theme dependencies. */ - $theme_names = array_keys( $wp_themes ); - foreach ( (array) $theme_names as $theme_name ) { - $wp_themes[$theme_name]['Parent Theme'] = ''; - if ( $wp_themes[$theme_name]['Stylesheet'] != $wp_themes[$theme_name]['Template'] ) { - foreach ( (array) $theme_names as $parent_theme_name ) { - if ( ($wp_themes[$parent_theme_name]['Stylesheet'] == $wp_themes[$parent_theme_name]['Template']) && ($wp_themes[$parent_theme_name]['Template'] == $wp_themes[$theme_name]['Template']) ) { - $wp_themes[$theme_name]['Parent Theme'] = $wp_themes[$parent_theme_name]['Name']; - break; - } - } - } - } - - return $wp_themes; -} - /** * Retrieve theme roots. * * @since 2.9.0 * - * @return array|string An arry of theme roots keyed by template/stylesheet or a single theme root if all themes have the same root. + * @return array|string An array of theme roots keyed by template/stylesheet or a single theme root if all themes have the same root. */ function get_theme_roots() { global $wp_theme_directories; @@ -477,65 +289,12 @@ function get_theme_roots() { $theme_roots = get_site_transient( 'theme_roots' ); if ( false === $theme_roots ) { - get_themes(); - $theme_roots = get_site_transient( 'theme_roots' ); // this is set in get_theme() + search_theme_directories( true ); // Regenerate the transient. + $theme_roots = get_site_transient( 'theme_roots' ); } return $theme_roots; } -/** - * Retrieve theme data. - * - * @since 1.5.0 - * - * @param string $theme Theme name. - * @return array|null Null, if theme name does not exist. Theme data, if exists. - */ -function get_theme($theme) { - $themes = get_themes(); - - if ( array_key_exists($theme, $themes) ) - return $themes[$theme]; - - return null; -} - -/** - * Retrieve current theme display name. - * - * If the 'current_theme' option has already been set, then it will be returned - * instead. If it is not set, then each theme will be iterated over until both - * the current stylesheet and current template name. - * - * @since 1.5.0 - * - * @return string - */ -function get_current_theme() { - if ( $theme = get_option('current_theme') ) - return $theme; - - $themes = get_themes(); - $theme_names = array_keys($themes); - $current_template = get_option('template'); - $current_stylesheet = get_option('stylesheet'); - $current_theme = 'Twenty Ten'; - - if ( $themes ) { - foreach ( (array) $theme_names as $theme_name ) { - if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet && - $themes[$theme_name]['Template'] == $current_template ) { - $current_theme = $themes[$theme_name]['Name']; - break; - } - } - } - - update_option('current_theme', $current_theme); - - return $current_theme; -} - /** * Register a directory that contains themes. * @@ -544,21 +303,18 @@ function get_current_theme() { * @param string $directory Either the full filesystem path to a theme folder or a folder within WP_CONTENT_DIR * @return bool */ -function register_theme_directory( $directory) { +function register_theme_directory( $directory ) { global $wp_theme_directories; - /* If this folder does not exist, return and do not register */ - if ( !file_exists( $directory ) ) - /* Try prepending as the theme directory could be relative to the content directory */ - $registered_directory = WP_CONTENT_DIR . '/' . $directory; - else - $registered_directory = $directory; - - /* If this folder does not exist, return and do not register */ - if ( !file_exists( $registered_directory ) ) - return false; + if ( ! file_exists( $directory ) ) { + // Try prepending as the theme directory could be relative to the content directory + $directory = WP_CONTENT_DIR . '/' . $directory; + // If this directory does not exist, return and do not register + if ( ! file_exists( $directory ) ) + return false; + } - $wp_theme_directories[] = $registered_directory; + $wp_theme_directories[] = $directory; return true; } @@ -568,81 +324,115 @@ function register_theme_directory( $directory) { * * @since 2.9.0 * + * @param bool $force Optional. Whether to force a new directory scan. Defaults to false. * @return array Valid themes found */ -function search_theme_directories() { - global $wp_theme_directories, $wp_broken_themes; +function search_theme_directories( $force = false ) { + global $wp_theme_directories; if ( empty( $wp_theme_directories ) ) return false; - $theme_files = array(); - $wp_broken_themes = array(); + static $found_themes; + if ( ! $force && isset( $found_themes ) ) + return $found_themes; - /* Loop the registered theme directories and extract all themes */ - foreach ( (array) $wp_theme_directories as $theme_root ) { - $theme_loc = $theme_root; - - /* We don't want to replace all forward slashes, see Trac #4541 */ - if ( '/' != WP_CONTENT_DIR ) - $theme_loc = str_replace(WP_CONTENT_DIR, '', $theme_root); + $found_themes = array(); - /* Files in the root of the current theme directory and one subdir down */ - $themes_dir = @ opendir($theme_root); + $wp_theme_directories = (array) $wp_theme_directories; - if ( !$themes_dir ) - return false; + // Set up maybe-relative, maybe-absolute array of theme directories. + // We always want to return absolute, but we need to cache relative + // to use in get_theme_root(). + foreach ( $wp_theme_directories as $theme_root ) { + if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) ) + $relative_theme_roots[ str_replace( WP_CONTENT_DIR, '', $theme_root ) ] = $theme_root; + else + $relative_theme_roots[ $theme_root ] = $theme_root; + } - while ( ($theme_dir = readdir($themes_dir)) !== false ) { - if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) { - if ( $theme_dir[0] == '.' || $theme_dir == 'CVS' ) + if ( $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ) ) { + $cached_roots = get_site_transient( 'theme_roots' ); + if ( is_array( $cached_roots ) ) { + foreach ( $cached_roots as $theme_dir => $theme_root ) { + // A cached theme root is no longer around, so skip it. + if ( ! isset( $relative_theme_roots[ $theme_root ] ) ) continue; + $found_themes[ $theme_dir ] = array( + 'theme_file' => $theme_dir . '/style.css', + 'theme_root' => $relative_theme_roots[ $theme_root ], // Convert relative to absolute. + ); + } + return $found_themes; + } + if ( ! is_int( $cache_expiration ) ) + $cache_expiration = 1800; // half hour + } else { + $cache_expiration = 1800; // half hour + } - $stylish_dir = @opendir($theme_root . '/' . $theme_dir); - $found_stylesheet = false; + /* Loop the registered theme directories and extract all themes */ + foreach ( $wp_theme_directories as $theme_root ) { - while ( ($theme_file = readdir($stylish_dir)) !== false ) { - if ( $theme_file == 'style.css' ) { - $theme_files[$theme_dir] = array( 'theme_file' => $theme_dir . '/' . $theme_file, 'theme_root' => $theme_root ); - $found_stylesheet = true; - break; - } + // Start with directories in the root of the current theme directory. + $dirs = @ scandir( $theme_root ); + if ( ! $dirs ) { + trigger_error( "$theme_root is not readable", E_USER_NOTICE ); + continue; + } + foreach ( $dirs as $dir ) { + if ( ! is_dir( $theme_root . '/' . $dir ) || $dir[0] == '.' || $dir == 'CVS' ) + continue; + if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) { + // wp-content/themes/a-single-theme + // wp-content/themes is $theme_root, a-single-theme is $dir + $found_themes[ $dir ] = array( + 'theme_file' => $dir . '/style.css', + 'theme_root' => $theme_root, + ); + } else { + $found_theme = false; + // wp-content/themes/a-folder-of-themes/* + // wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs + $sub_dirs = @ scandir( $theme_root . '/' . $dir ); + if ( ! $sub_dirs ) { + trigger_error( "$theme_root/$dir is not readable", E_USER_NOTICE ); + continue; } - @closedir($stylish_dir); - - if ( !$found_stylesheet ) { // look for themes in that dir - $subdir = "$theme_root/$theme_dir"; - $subdir_name = $theme_dir; - $theme_subdirs = @opendir( $subdir ); - - $found_subdir_themes = false; - while ( ($theme_subdir = readdir($theme_subdirs)) !== false ) { - if ( is_dir( $subdir . '/' . $theme_subdir) && is_readable($subdir . '/' . $theme_subdir) ) { - if ( $theme_subdir[0] == '.' || $theme_subdir == 'CVS' ) - continue; - - $stylish_dir = @opendir($subdir . '/' . $theme_subdir); - $found_stylesheet = false; - - while ( ($theme_file = readdir($stylish_dir)) !== false ) { - if ( $theme_file == 'style.css' ) { - $theme_files["$theme_dir/$theme_subdir"] = array( 'theme_file' => $subdir_name . '/' . $theme_subdir . '/' . $theme_file, 'theme_root' => $theme_root ); - $found_stylesheet = true; - $found_subdir_themes = true; - break; - } - } - @closedir($stylish_dir); - } - } - @closedir($theme_subdirs); - if ( !$found_subdir_themes ) - $wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.')); + foreach ( $sub_dirs as $sub_dir ) { + if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || $dir[0] == '.' || $dir == 'CVS' ) + continue; + if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) ) + continue; + $found_themes[ $dir . '/' . $sub_dir ] = array( + 'theme_file' => $dir . '/' . $sub_dir . '/style.css', + 'theme_root' => $theme_root, + ); + $found_theme = true; } + // Never mind the above, it's just a theme missing a style.css. + // Return it; WP_Theme will catch the error. + if ( ! $found_theme ) + $found_themes[ $dir ] = array( + 'theme_file' => $dir . '/style.css', + 'theme_root' => $theme_root, + ); } } - @closedir( $themes_dir ); } - return $theme_files; + + asort( $found_themes ); + + $theme_roots = array(); + $relative_theme_roots = array_flip( $relative_theme_roots ); + + foreach ( $found_themes as $theme_dir => $theme_data ) { + $theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative. + } + + if ( $theme_roots != get_site_transient( 'theme_roots' ) ) + set_site_transient( 'theme_roots', $theme_roots, $cache_expiration ); + + return $found_themes; } /** @@ -657,11 +447,13 @@ function search_theme_directories() { * @return string Theme path. */ function get_theme_root( $stylesheet_or_template = false ) { - if ( $stylesheet_or_template ) { - if ( $theme_root = get_raw_theme_root($stylesheet_or_template) ) + global $wp_theme_directories; + + if ( $stylesheet_or_template && $theme_root = get_raw_theme_root( $stylesheet_or_template ) ) { + // Always prepend WP_CONTENT_DIR unless the root currently registered as a theme directory. + // This gives relative theme roots the benefit of the doubt when things go haywire. + if ( ! in_array( $theme_root, (array) $wp_theme_directories ) ) $theme_root = WP_CONTENT_DIR . $theme_root; - else - $theme_root = WP_CONTENT_DIR . '/themes'; } else { $theme_root = WP_CONTENT_DIR . '/themes'; } @@ -676,15 +468,32 @@ function get_theme_root( $stylesheet_or_template = false ) { * * @since 1.5.0 * - * @param string $stylesheet_or_template The stylesheet or template name of the theme + * @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme. + * Default is to leverage the main theme root. + * @param string $theme_root Optional. The theme root for which calculations will be based, preventing + * the need for a get_raw_theme_root() call. * @return string Themes URI. */ -function get_theme_root_uri( $stylesheet_or_template = false ) { - if ( $stylesheet_or_template ) { - if ( $theme_root = get_raw_theme_root($stylesheet_or_template) ) +function get_theme_root_uri( $stylesheet_or_template = false, $theme_root = false ) { + global $wp_theme_directories; + + if ( $stylesheet_or_template && ! $theme_root ) + $theme_root = get_raw_theme_root( $stylesheet_or_template ); + + if ( $stylesheet_or_template && $theme_root ) { + if ( in_array( $theme_root, (array) $wp_theme_directories ) ) { + // Absolute path. Make an educated guess. YMMV -- but note the filter below. + if ( 0 === strpos( $theme_root, WP_CONTENT_DIR ) ) + $theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) ); + elseif ( 0 === strpos( $theme_root, ABSPATH ) ) + $theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) ); + elseif ( 0 === strpos( $theme_root, WP_PLUGIN_DIR ) || 0 === strpos( $theme_root, WPMU_PLUGIN_DIR ) ) + $theme_root_uri = plugins_url( basename( $theme_root ), $theme_root ); + else + $theme_root_uri = $theme_root; + } else { $theme_root_uri = content_url( $theme_root ); - else - $theme_root_uri = content_url( 'themes' ); + } } else { $theme_root_uri = content_url( 'themes' ); } @@ -698,420 +507,32 @@ function get_theme_root_uri( $stylesheet_or_template = false ) { * @since 3.1.0 * * @param string $stylesheet_or_template The stylesheet or template name of the theme + * @param bool $skip_cache Optional. Whether to skip the cache. Defaults to false, meaning the cache is used. * @return string Theme root */ -function get_raw_theme_root( $stylesheet_or_template, $no_cache = false ) { +function get_raw_theme_root( $stylesheet_or_template, $skip_cache = false ) { global $wp_theme_directories; if ( count($wp_theme_directories) <= 1 ) return '/themes'; - $theme_root = false; - - // If requesting the root for the current theme, consult options to avoid calling get_theme_roots() - if ( !$no_cache ) { - if ( get_option('stylesheet') == $stylesheet_or_template ) - $theme_root = get_option('stylesheet_root'); - elseif ( get_option('template') == $stylesheet_or_template ) - $theme_root = get_option('template_root'); - } - - if ( empty($theme_root) ) { - $theme_roots = get_theme_roots(); - if ( !empty($theme_roots[$stylesheet_or_template]) ) - $theme_root = $theme_roots[$stylesheet_or_template]; - } - - return $theme_root; -} - -/** - * Retrieve path to a template - * - * Used to quickly retrieve the path of a template without including the file - * extension. It will also check the parent theme, if the file exists, with - * the use of {@link locate_template()}. Allows for more generic template location - * without the use of the other get_*_template() functions. - * - * @since 1.5.0 - * - * @param string $type Filename without extension. - * @param array $templates An optional list of template candidates - * @return string Full path to file. - */ -function get_query_template( $type, $templates = array() ) { - $type = preg_replace( '|[^a-z0-9-]+|', '', $type ); - - if ( empty( $templates ) ) - $templates = array("{$type}.php"); - - return apply_filters( "{$type}_template", locate_template( $templates ) ); -} - -/** - * Retrieve path of index template in current or parent template. - * - * @since 3.0.0 - * - * @return string - */ -function get_index_template() { - return get_query_template('index'); -} - -/** - * Retrieve path of 404 template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_404_template() { - return get_query_template('404'); -} - -/** - * Retrieve path of archive template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_archive_template() { - $post_type = get_query_var( 'post_type' ); - - $templates = array(); - - if ( $post_type ) - $templates[] = "archive-{$post_type}.php"; - $templates[] = 'archive.php'; - - return get_query_template( 'archive', $templates ); -} - -/** - * Retrieve path of author template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_author_template() { - $author = get_queried_object(); - - $templates = array(); - - $templates[] = "author-{$author->user_nicename}.php"; - $templates[] = "author-{$author->ID}.php"; - $templates[] = 'author.php'; - - return get_query_template( 'author', $templates ); -} - -/** - * Retrieve path of category template in current or parent template. - * - * Works by first retrieving the current slug for example 'category-default.php' and then - * trying category ID, for example 'category-1.php' and will finally fallback to category.php - * template, if those files don't exist. - * - * @since 1.5.0 - * @uses apply_filters() Calls 'category_template' on file path of category template. - * - * @return string - */ -function get_category_template() { - $category = get_queried_object(); - - $templates = array(); - - $templates[] = "category-{$category->slug}.php"; - $templates[] = "category-{$category->term_id}.php"; - $templates[] = "category.php"; - - return get_query_template( 'category', $templates ); -} - -/** - * Retrieve path of tag template in current or parent template. - * - * Works by first retrieving the current tag name, for example 'tag-wordpress.php' and then - * trying tag ID, for example 'tag-1.php' and will finally fallback to tag.php - * template, if those files don't exist. - * - * @since 2.3.0 - * @uses apply_filters() Calls 'tag_template' on file path of tag template. - * - * @return string - */ -function get_tag_template() { - $tag = get_queried_object(); - - $templates = array(); - - $templates[] = "tag-{$tag->slug}.php"; - $templates[] = "tag-{$tag->term_id}.php"; - $templates[] = "tag.php"; - - return get_query_template( 'tag', $templates ); -} - -/** - * Retrieve path of taxonomy template in current or parent template. - * - * Retrieves the taxonomy and term, if term is available. The template is - * prepended with 'taxonomy-' and followed by both the taxonomy string and - * the taxonomy string followed by a dash and then followed by the term. - * - * The taxonomy and term template is checked and used first, if it exists. - * Second, just the taxonomy template is checked, and then finally, taxonomy.php - * template is used. If none of the files exist, then it will fall back on to - * index.php. - * - * @since 2.5.0 - * @uses apply_filters() Calls 'taxonomy_template' filter on found path. - * - * @return string - */ -function get_taxonomy_template() { - $term = get_queried_object(); - $taxonomy = $term->taxonomy; - - $templates = array(); - - $templates[] = "taxonomy-$taxonomy-{$term->slug}.php"; - $templates[] = "taxonomy-$taxonomy.php"; - $templates[] = "taxonomy.php"; - - return get_query_template( 'taxonomy', $templates ); -} - -/** - * Retrieve path of date template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_date_template() { - return get_query_template('date'); -} - -/** - * Retrieve path of home template in current or parent template. - * - * This is the template used for the page containing the blog posts - * - * Attempts to locate 'home.php' first before falling back to 'index.php'. - * - * @since 1.5.0 - * @uses apply_filters() Calls 'home_template' on file path of home template. - * - * @return string - */ -function get_home_template() { - $templates = array( 'home.php', 'index.php' ); - - return get_query_template( 'home', $templates ); -} - -/** - * Retrieve path of front-page template in current or parent template. - * - * Looks for 'front-page.php'. - * - * @since 3.0.0 - * @uses apply_filters() Calls 'front_page_template' on file path of template. - * - * @return string - */ -function get_front_page_template() { - $templates = array('front-page.php'); - - return get_query_template( 'front_page', $templates ); -} - -/** - * Retrieve path of page template in current or parent template. - * - * Will first look for the specifically assigned page template - * The will search for 'page-{slug}.php' followed by 'page-id.php' - * and finally 'page.php' - * - * @since 1.5.0 - * - * @return string - */ -function get_page_template() { - $id = get_queried_object_id(); - $template = get_post_meta($id, '_wp_page_template', true); - $pagename = get_query_var('pagename'); - - if ( !$pagename && $id > 0 ) { - // If a static page is set as the front page, $pagename will not be set. Retrieve it from the queried object - $post = get_queried_object(); - $pagename = $post->post_name; - } - - if ( 'default' == $template ) - $template = ''; - - $templates = array(); - if ( !empty($template) && !validate_file($template) ) - $templates[] = $template; - if ( $pagename ) - $templates[] = "page-$pagename.php"; - if ( $id ) - $templates[] = "page-$id.php"; - $templates[] = "page.php"; - - return get_query_template( 'page', $templates ); -} - -/** - * Retrieve path of paged template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_paged_template() { - return get_query_template('paged'); -} - -/** - * Retrieve path of search template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_search_template() { - return get_query_template('search'); -} - -/** - * Retrieve path of single template in current or parent template. - * - * @since 1.5.0 - * - * @return string - */ -function get_single_template() { - $object = get_queried_object(); - - $templates = array(); - - $templates[] = "single-{$object->post_type}.php"; - $templates[] = "single.php"; - - return get_query_template( 'single', $templates ); -} - -/** - * Retrieve path of attachment template in current or parent template. - * - * The attachment path first checks if the first part of the mime type exists. - * The second check is for the second part of the mime type. The last check is - * for both types separated by an underscore. If neither are found then the file - * 'attachment.php' is checked and returned. - * - * Some examples for the 'text/plain' mime type are 'text.php', 'plain.php', and - * finally 'text_plain.php'. - * - * @since 2.0.0 - * - * @return string - */ -function get_attachment_template() { - global $posts; - $type = explode('/', $posts[0]->post_mime_type); - if ( $template = get_query_template($type[0]) ) - return $template; - elseif ( $template = get_query_template($type[1]) ) - return $template; - elseif ( $template = get_query_template("$type[0]_$type[1]") ) - return $template; - else - return get_query_template('attachment'); -} - -/** - * Retrieve path of comment popup template in current or parent template. - * - * Checks for comment popup template in current template, if it exists or in the - * parent template. - * - * @since 1.5.0 - * @uses apply_filters() Calls 'comments_popup_template' filter on path. - * - * @return string - */ -function get_comments_popup_template() { - $template = get_query_template( 'comments_popup', array( 'comments-popup.php' ) ); - - // Backward compat code will be removed in a future release - if ('' == $template) - $template = ABSPATH . WPINC . '/theme-compat/comments-popup.php'; - - return $template; -} - -/** - * Retrieve the name of the highest priority template file that exists. - * - * Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which - * inherit from a parent theme can just overload one file. - * - * @since 2.7.0 - * - * @param string|array $template_names Template file(s) to search for, in order. - * @param bool $load If true the template file will be loaded if it is found. - * @param bool $require_once Whether to require_once or require. Default true. Has no effect if $load is false. - * @return string The template filename if one is located. - */ -function locate_template($template_names, $load = false, $require_once = true ) { - $located = ''; - foreach ( (array) $template_names as $template_name ) { - if ( !$template_name ) - continue; - if ( file_exists(STYLESHEETPATH . '/' . $template_name)) { - $located = STYLESHEETPATH . '/' . $template_name; - break; - } else if ( file_exists(TEMPLATEPATH . '/' . $template_name) ) { - $located = TEMPLATEPATH . '/' . $template_name; - break; - } - } - - if ( $load && '' != $located ) - load_template( $located, $require_once ); - - return $located; -} - -/** - * Require the template file with WordPress environment. - * - * The globals are set up for the template file to ensure that the WordPress - * environment is available from within the function. The query variables are - * also available. - * - * @since 1.5.0 - * - * @param string $_template_file Path to template file. - * @param bool $require_once Whether to require_once or require. Default true. - */ -function load_template( $_template_file, $require_once = true ) { - global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID; - - if ( is_array( $wp_query->query_vars ) ) - extract( $wp_query->query_vars, EXTR_SKIP ); + $theme_root = false; - if ( $require_once ) - require_once( $_template_file ); - else - require( $_template_file ); + // If requesting the root for the current theme, consult options to avoid calling get_theme_roots() + if ( ! $skip_cache ) { + if ( get_option('stylesheet') == $stylesheet_or_template ) + $theme_root = get_option('stylesheet_root'); + elseif ( get_option('template') == $stylesheet_or_template ) + $theme_root = get_option('template_root'); + } + + if ( empty($theme_root) ) { + $theme_roots = get_theme_roots(); + if ( !empty($theme_roots[$stylesheet_or_template]) ) + $theme_root = $theme_roots[$stylesheet_or_template]; + } + + return $theme_root; } /** @@ -1129,7 +550,7 @@ function locale_stylesheet() { /** * Start preview theme output buffer. * - * Will only preform task if the user has permissions and template and preview + * Will only perform task if the user has permissions and template and preview * query variables exist. * * @since 2.6.0 @@ -1160,7 +581,7 @@ function preview_theme() { } // Prevent theme mods to current theme being used on theme being previewed - add_filter( 'pre_option_mods_' . get_current_theme(), '__return_empty_array' ); + add_filter( 'pre_option_theme_mods_' . get_option( 'stylesheet' ), '__return_empty_array' ); ob_start( 'preview_theme_ob_filter' ); } @@ -1216,7 +637,7 @@ function preview_theme_ob_filter( $content ) { */ function preview_theme_ob_filter_callback( $matches ) { if ( strpos($matches[4], 'onclick') !== false ) - $matches[4] = preg_replace('#onclick=([\'"]).*?(?. (?. (? 1, 'template' => $_GET['template'], 'stylesheet' => @$_GET['stylesheet'] ), $matches[3] ); + $stylesheet = isset( $_GET['stylesheet'] ) ? $_GET['stylesheet'] : ''; + $template = isset( $_GET['template'] ) ? $_GET['template'] : ''; + + $link = add_query_arg( array( 'preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'preview_iframe' => 1 ), $matches[3] ); if ( 0 === strpos($link, 'preview=1') ) $link = "?$link"; return $matches[1] . esc_attr( $link ) . $matches[4]; } /** - * Switches current theme to new template and stylesheet names. + * Switches the theme. + * + * Accepts one argument: $stylesheet of the theme. It also accepts an additional function signature + * of two arguments: $template then $stylesheet. This is for backwards compatibility. * * @since 2.5.0 - * @uses do_action() Calls 'switch_theme' action on updated theme display name. + * @uses do_action() Calls 'switch_theme' action, passing the new theme. * - * @param string $template Template name - * @param string $stylesheet Stylesheet name. + * @param string $stylesheet Stylesheet name */ -function switch_theme($template, $stylesheet) { - global $wp_theme_directories; +function switch_theme( $stylesheet ) { + global $wp_theme_directories, $sidebars_widgets; + + if ( is_array( $sidebars_widgets ) ) + set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $sidebars_widgets ) ); + + $old_theme = wp_get_theme(); + $new_theme = wp_get_theme( $stylesheet ); + + if ( func_num_args() > 1 ) { + $template = $stylesheet; + $stylesheet = func_get_arg( 1 ); + } else { + $template = $new_theme->get_template(); + } - update_option('template', $template); - update_option('stylesheet', $stylesheet); - if ( count($wp_theme_directories) > 1 ) { - update_option('template_root', get_raw_theme_root($template, true)); - update_option('stylesheet_root', get_raw_theme_root($stylesheet, true)); + update_option( 'template', $template ); + update_option( 'stylesheet', $stylesheet ); + + if ( count( $wp_theme_directories ) > 1 ) { + update_option( 'template_root', get_raw_theme_root( $template, true ) ); + update_option( 'stylesheet_root', get_raw_theme_root( $stylesheet, true ) ); + } else { + delete_option( 'template_root' ); + delete_option( 'stylesheet_root' ); } - delete_option('current_theme'); - $theme = get_current_theme(); - if ( is_admin() && false === get_option( "theme_mods_$stylesheet" ) ) { - $default_theme_mods = (array) get_option( "mods_$theme" ); + + $new_name = $new_theme->get('Name'); + + update_option( 'current_theme', $new_name ); + + if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) { + $default_theme_mods = (array) get_option( 'mods_' . $new_name ); add_option( "theme_mods_$stylesheet", $default_theme_mods ); } - do_action('switch_theme', $theme); + + update_option( 'theme_switched', $old_theme->get_stylesheet() ); + do_action( 'switch_theme', $new_name, $new_theme ); } /** @@ -1266,7 +714,7 @@ function switch_theme($template, $stylesheet) { * * Does not check the default theme, which is the fallback and should always exist. * Will switch theme to the fallback theme if current theme does not validate. - * You can use the 'validate_current_theme' filter to return FALSE to + * You can use the 'validate_current_theme' filter to return false to * disable this functionality. * * @since 1.5.0 @@ -1280,17 +728,17 @@ function validate_current_theme() { return true; if ( get_template() != WP_DEFAULT_THEME && !file_exists(get_template_directory() . '/index.php') ) { - switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME ); + switch_theme( WP_DEFAULT_THEME ); return false; } if ( get_stylesheet() != WP_DEFAULT_THEME && !file_exists(get_template_directory() . '/style.css') ) { - switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME ); + switch_theme( WP_DEFAULT_THEME ); return false; } if ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) { - switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME ); + switch_theme( WP_DEFAULT_THEME ); return false; } @@ -1307,7 +755,9 @@ function validate_current_theme() { function get_theme_mods() { $theme_slug = get_option( 'stylesheet' ); if ( false === ( $mods = get_option( "theme_mods_$theme_slug" ) ) ) { - $theme_name = get_current_theme(); + $theme_name = get_option( 'current_theme' ); + if ( false === $theme_name ) + $theme_name = wp_get_theme()->get('Name'); $mods = get_option( "mods_$theme_name" ); // Deprecated location. if ( is_admin() && false !== $mods ) { update_option( "theme_mods_$theme_slug", $mods ); @@ -1338,7 +788,10 @@ function get_theme_mod( $name, $default = false ) { if ( isset( $mods[ $name ] ) ) return apply_filters( "theme_mod_$name", $mods[ $name ] ); - return apply_filters( "theme_mod_$name", sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ) ); + if ( is_string( $default ) ) + $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); + + return apply_filters( "theme_mod_$name", $default ); } /** @@ -1391,21 +844,23 @@ function remove_theme_mod( $name ) { */ function remove_theme_mods() { delete_option( 'theme_mods_' . get_option( 'stylesheet' ) ); - delete_option( 'mods_' . get_current_theme() ); + + // Old style. + $theme_name = get_option( 'current_theme' ); + if ( false === $theme_name ) + $theme_name = wp_get_theme()->get('Name'); + delete_option( 'mods_' . $theme_name ); } /** * Retrieve text color for custom header. * * @since 2.1.0 - * @uses HEADER_TEXTCOLOR * * @return string */ function get_header_textcolor() { - $default = defined('HEADER_TEXTCOLOR') ? HEADER_TEXTCOLOR : ''; - - return get_theme_mod('header_textcolor', $default); + return get_theme_mod('header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) ); } /** @@ -1417,91 +872,204 @@ function header_textcolor() { echo get_header_textcolor(); } +/** + * Whether to display the header text. + * + * @since 3.4.0 + * + * @return bool + */ +function display_header_text() { + if ( ! current_theme_supports( 'custom-header', 'header-text' ) ) + return false; + + $text_color = get_theme_mod( 'header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) ); + return 'blank' != $text_color; +} + /** * Retrieve header image for custom header. * * @since 2.1.0 - * @uses HEADER_IMAGE * * @return string */ function get_header_image() { - $default = defined( 'HEADER_IMAGE' ) ? HEADER_IMAGE : ''; + $url = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) ); - $url = get_theme_mod( 'header_image', $default ); + if ( 'remove-header' == $url ) + return false; - if ( is_ssl() ) - $url = str_replace( 'http://', 'https://', $url ); - else - $url = str_replace( 'https://', 'http://', $url ); + if ( is_random_header_image() ) + $url = get_random_header_image(); - return $url; + return esc_url_raw( set_url_scheme( $url ) ); } /** - * Display header image path. + * Get random header image data from registered images in theme. * - * @since 2.1.0 + * @since 3.4.0 + * + * @access private + * + * @return string Path to header image */ -function header_image() { - echo get_header_image(); + +function _get_random_header_data() { + static $_wp_random_header; + + if ( empty( $_wp_random_header ) ) { + global $_wp_default_headers; + $header_image_mod = get_theme_mod( 'header_image', '' ); + $headers = array(); + + if ( 'random-uploaded-image' == $header_image_mod ) + $headers = get_uploaded_header_images(); + elseif ( ! empty( $_wp_default_headers ) ) { + if ( 'random-default-image' == $header_image_mod ) { + $headers = $_wp_default_headers; + } else { + if ( current_theme_supports( 'custom-header', 'random-default' ) ) + $headers = $_wp_default_headers; + } + } + + if ( empty( $headers ) ) + return new stdClass; + + $_wp_random_header = (object) $headers[ array_rand( $headers ) ]; + + $_wp_random_header->url = sprintf( $_wp_random_header->url, get_template_directory_uri(), get_stylesheet_directory_uri() ); + $_wp_random_header->thumbnail_url = sprintf( $_wp_random_header->thumbnail_url, get_template_directory_uri(), get_stylesheet_directory_uri() ); + } + return $_wp_random_header; +} + +/** + * Get random header image url from registered images in theme. + * + * @since 3.2.0 + * + * @return string Path to header image + */ + +function get_random_header_image() { + $random_image = _get_random_header_data(); + if ( empty( $random_image->url ) ) + return ''; + return $random_image->url; } /** - * Add callbacks for image header display. + * Check if random header image is in use. + * + * Always true if user expressly chooses the option in Appearance > Header. + * Also true if theme has multiple header images registered, no specific header image + * is chosen, and theme turns on random headers with add_theme_support(). + * + * @since 3.2.0 * - * The parameter $header_callback callback will be required to display the - * content for the 'wp_head' action. The parameter $admin_header_callback - * callback will be added to Custom_Image_Header class and that will be added - * to the 'admin_menu' action. + * @param string $type The random pool to use. any|default|uploaded + * @return boolean + */ +function is_random_header_image( $type = 'any' ) { + $header_image_mod = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) ); + + if ( 'any' == $type ) { + if ( 'random-default-image' == $header_image_mod || 'random-uploaded-image' == $header_image_mod || ( '' != get_random_header_image() && empty( $header_image_mod ) ) ) + return true; + } else { + if ( "random-$type-image" == $header_image_mod ) + return true; + elseif ( 'default' == $type && empty( $header_image_mod ) && '' != get_random_header_image() ) + return true; + } + + return false; +} + +/** + * Display header image URL. * * @since 2.1.0 - * @uses Custom_Image_Header Sets up for $admin_header_callback for administration panel display. + */ +function header_image() { + echo esc_url( get_header_image() ); +} + +/** + * Get the header images uploaded for the current theme. * - * @param callback $header_callback Call on 'wp_head' action. - * @param callback $admin_header_callback Call on custom header administration screen. - * @param callback $admin_image_div_callback Output a custom header image div on the custom header administration screen. Optional. + * @since 3.2.0 + * + * @return array */ -function add_custom_image_header( $header_callback, $admin_header_callback, $admin_image_div_callback = '' ) { - if ( ! empty( $header_callback ) ) - add_action('wp_head', $header_callback); +function get_uploaded_header_images() { + $header_images = array(); - add_theme_support( 'custom-header', array( 'callback' => $header_callback ) ); - add_theme_support( 'custom-header-uploads' ); + // @todo caching + $headers = get_posts( array( 'post_type' => 'attachment', 'meta_key' => '_wp_attachment_is_custom_header', 'meta_value' => get_option('stylesheet'), 'orderby' => 'none', 'nopaging' => true ) ); - if ( ! is_admin() ) - return; + if ( empty( $headers ) ) + return array(); - global $custom_image_header; + foreach ( (array) $headers as $header ) { + $url = esc_url_raw( $header->guid ); + $header_data = wp_get_attachment_metadata( $header->ID ); + $header_index = basename($url); + $header_images[$header_index] = array(); + $header_images[$header_index]['attachment_id'] = $header->ID; + $header_images[$header_index]['url'] = $url; + $header_images[$header_index]['thumbnail_url'] = $url; + if ( isset( $header_data['width'] ) ) + $header_images[$header_index]['width'] = $header_data['width']; + if ( isset( $header_data['height'] ) ) + $header_images[$header_index]['height'] = $header_data['height']; + } - require_once( ABSPATH . 'wp-admin/custom-header.php' ); - $custom_image_header = new Custom_Image_Header( $admin_header_callback, $admin_image_div_callback ); - add_action( 'admin_menu', array( &$custom_image_header, 'init' ) ); + return $header_images; } /** - * Remove image header support. + * Get the header image data. * - * @since 3.1.0 - * @see add_custom_image_header() + * @since 3.4.0 * - * @return bool Whether support was removed. + * @return object */ -function remove_custom_image_header() { - if ( ! current_theme_supports( 'custom-header' ) ) - return false; - - $callback = get_theme_support( 'custom-header' ); - remove_action( 'wp_head', $callback[0]['callback'] ); - _remove_theme_support( 'custom-header' ); - remove_theme_support( 'custom-header-uploads' ); +function get_custom_header() { + global $_wp_default_headers; - if ( is_admin() ) { - remove_action( 'admin_menu', array( &$GLOBALS['custom_image_header'], 'init' ) ); - unset( $GLOBALS['custom_image_header'] ); + if ( is_random_header_image() ) { + $data = _get_random_header_data(); + } else { + $data = get_theme_mod( 'header_image_data' ); + if ( ! $data && current_theme_supports( 'custom-header', 'default-image' ) ) { + $directory_args = array( get_template_directory_uri(), get_stylesheet_directory_uri() ); + $data = array(); + $data['url'] = $data['thumbnail_url'] = vsprintf( get_theme_support( 'custom-header', 'default-image' ), $directory_args ); + if ( ! empty( $_wp_default_headers ) ) { + foreach ( (array) $_wp_default_headers as $default_header ) { + $url = vsprintf( $default_header['url'], $directory_args ); + if ( $data['url'] == $url ) { + $data = $default_header; + $data['url'] = $url; + $data['thumbnail_url'] = vsprintf( $data['thumbnail_url'], $directory_args ); + break; + } + } + } + } } - return true; + $default = array( + 'url' => '', + 'thumbnail_url' => '', + 'width' => get_theme_support( 'custom-header', 'width' ), + 'height' => get_theme_support( 'custom-header', 'height' ), + ); + return (object) wp_parse_args( $data, $default ); } /** @@ -1549,9 +1117,7 @@ function unregister_default_headers( $header ) { * @return string */ function get_background_image() { - $default = defined('BACKGROUND_IMAGE') ? BACKGROUND_IMAGE : ''; - - return get_theme_mod('background_image', $default); + return get_theme_mod('background_image', get_theme_support( 'custom-background', 'default-image' ) ); } /** @@ -1567,14 +1133,11 @@ function background_image() { * Retrieve value for custom background color. * * @since 3.0.0 - * @uses BACKGROUND_COLOR * * @return string */ function get_background_color() { - $default = defined('BACKGROUND_COLOR') ? BACKGROUND_COLOR : ''; - - return get_theme_mod('background_color', $default); + return get_theme_mod('background_color', get_theme_support( 'custom-background', 'default-color' ) ); } /** @@ -1586,73 +1149,20 @@ function background_color() { echo get_background_color(); } -/** - * Add callbacks for background image display. - * - * The parameter $header_callback callback will be required to display the - * content for the 'wp_head' action. The parameter $admin_header_callback - * callback will be added to Custom_Background class and that will be added - * to the 'admin_menu' action. - * - * @since 3.0.0 - * @uses Custom_Background Sets up for $admin_header_callback for administration panel display. - * - * @param callback $header_callback Call on 'wp_head' action. - * @param callback $admin_header_callback Call on custom background administration screen. - * @param callback $admin_image_div_callback Output a custom background image div on the custom background administration screen. Optional. - */ -function add_custom_background( $header_callback = '', $admin_header_callback = '', $admin_image_div_callback = '' ) { - if ( isset( $GLOBALS['custom_background'] ) ) - return; - - if ( empty( $header_callback ) ) - $header_callback = '_custom_background_cb'; - - add_action( 'wp_head', $header_callback ); - - add_theme_support( 'custom-background', array( 'callback' => $header_callback ) ); - - if ( ! is_admin() ) - return; - require_once( ABSPATH . 'wp-admin/custom-background.php' ); - $GLOBALS['custom_background'] =& new Custom_Background( $admin_header_callback, $admin_image_div_callback ); - add_action( 'admin_menu', array( &$GLOBALS['custom_background'], 'init' ) ); -} - -/** - * Remove custom background support. - * - * @since 3.1.0 - * @see add_custom_background() - * - * @return bool Whether support was removed. - */ -function remove_custom_background() { - if ( ! current_theme_supports( 'custom-background' ) ) - return false; - - $callback = get_theme_support( 'custom-background' ); - remove_action( 'wp_head', $callback[0]['callback'] ); - _remove_theme_support( 'custom-background' ); - - if ( is_admin() ) { - remove_action( 'admin_menu', array( &$GLOBALS['custom_background'], 'init' ) ); - unset( $GLOBALS['custom_background'] ); - } - - return true; -} - /** * Default custom background callback. * * @since 3.0.0 - * @see add_custom_background() * @access protected */ function _custom_background_cb() { - $background = get_background_image(); - $color = get_background_color(); + // $background is the saved custom image, or the default image. + $background = set_url_scheme( get_background_image() ); + + // $color is the saved custom color. + // A default has to be specified in style.css. It will not be printed here. + $color = get_theme_mod( 'background_color' ); + if ( ! $background && ! $color ) return; @@ -1679,8 +1189,8 @@ function _custom_background_cb() { $style .= $image . $repeat . $position . $attachment; } ?> - } * the theme root. It also accepts an array of stylesheets. * It is optional and defaults to 'editor-style.css'. * - * Supports RTL stylesheets automatically by searching for the -rtl prefix, e.g. - * editor-style-rtl.css. If an array of stylesheets is passed to add_editor_style(), + * This function automatically adds another stylesheet with -rtl prefix, e.g. editor-style-rtl.css. + * If that file doesn't exist, it is removed before adding the stylesheet(s) to TinyMCE. + * If an array of stylesheets is passed to add_editor_style(), * RTL is only added for the first stylesheet. * + * Since version 3.4 the TinyMCE body has .rtl CSS class. + * It is a better option to use that class and add any RTL styles to the main stylesheet. + * * @since 3.0.0 * * @param mixed $stylesheet Optional. Stylesheet name or array thereof, relative to theme root. @@ -1749,13 +1263,186 @@ function add_theme_support( $feature ) { global $_wp_theme_features; if ( func_num_args() == 1 ) - $_wp_theme_features[$feature] = true; + $args = true; else - $_wp_theme_features[$feature] = array_slice( func_get_args(), 1 ); + $args = array_slice( func_get_args(), 1 ); + + switch ( $feature ) { + case 'post-formats' : + if ( is_array( $args[0] ) ) + $args[0] = array_intersect( $args[0], array_keys( get_post_format_slugs() ) ); + break; + + case 'html5' : + // You can't just pass 'html5', you need to pass an array of types. + if ( empty( $args[0] ) ) { + $args = array( 0 => array( 'comment-list', 'comment-form', 'search-form' ) ); + } elseif ( ! is_array( $args[0] ) ) { + _doing_it_wrong( "add_theme_support( 'html5' )", 'You need to pass an array of types.', '3.6.1' ); + return false; + } + + // Calling 'html5' again merges, rather than overwrites. + if ( isset( $_wp_theme_features['html5'] ) ) + $args[0] = array_merge( $_wp_theme_features['html5'][0], $args[0] ); + break; + + case 'custom-header-uploads' : + return add_theme_support( 'custom-header', array( 'uploads' => true ) ); + break; + + case 'custom-header' : + if ( ! is_array( $args ) ) + $args = array( 0 => array() ); + + $defaults = array( + 'default-image' => '', + 'random-default' => false, + 'width' => 0, + 'height' => 0, + 'flex-height' => false, + 'flex-width' => false, + 'default-text-color' => '', + 'header-text' => true, + 'uploads' => true, + 'wp-head-callback' => '', + 'admin-head-callback' => '', + 'admin-preview-callback' => '', + ); + + $jit = isset( $args[0]['__jit'] ); + unset( $args[0]['__jit'] ); + + // Merge in data from previous add_theme_support() calls. + // The first value registered wins. (A child theme is set up first.) + if ( isset( $_wp_theme_features['custom-header'] ) ) + $args[0] = wp_parse_args( $_wp_theme_features['custom-header'][0], $args[0] ); + + // Load in the defaults at the end, as we need to insure first one wins. + // This will cause all constants to be defined, as each arg will then be set to the default. + if ( $jit ) + $args[0] = wp_parse_args( $args[0], $defaults ); + + // If a constant was defined, use that value. Otherwise, define the constant to ensure + // the constant is always accurate (and is not defined later, overriding our value). + // As stated above, the first value wins. + // Once we get to wp_loaded (just-in-time), define any constants we haven't already. + // Constants are lame. Don't reference them. This is just for backwards compatibility. + + if ( defined( 'NO_HEADER_TEXT' ) ) + $args[0]['header-text'] = ! NO_HEADER_TEXT; + elseif ( isset( $args[0]['header-text'] ) ) + define( 'NO_HEADER_TEXT', empty( $args[0]['header-text'] ) ); + + if ( defined( 'HEADER_IMAGE_WIDTH' ) ) + $args[0]['width'] = (int) HEADER_IMAGE_WIDTH; + elseif ( isset( $args[0]['width'] ) ) + define( 'HEADER_IMAGE_WIDTH', (int) $args[0]['width'] ); + + if ( defined( 'HEADER_IMAGE_HEIGHT' ) ) + $args[0]['height'] = (int) HEADER_IMAGE_HEIGHT; + elseif ( isset( $args[0]['height'] ) ) + define( 'HEADER_IMAGE_HEIGHT', (int) $args[0]['height'] ); + + if ( defined( 'HEADER_TEXTCOLOR' ) ) + $args[0]['default-text-color'] = HEADER_TEXTCOLOR; + elseif ( isset( $args[0]['default-text-color'] ) ) + define( 'HEADER_TEXTCOLOR', $args[0]['default-text-color'] ); + + if ( defined( 'HEADER_IMAGE' ) ) + $args[0]['default-image'] = HEADER_IMAGE; + elseif ( isset( $args[0]['default-image'] ) ) + define( 'HEADER_IMAGE', $args[0]['default-image'] ); + + if ( $jit && ! empty( $args[0]['default-image'] ) ) + $args[0]['random-default'] = false; + + // If headers are supported, and we still don't have a defined width or height, + // we have implicit flex sizes. + if ( $jit ) { + if ( empty( $args[0]['width'] ) && empty( $args[0]['flex-width'] ) ) + $args[0]['flex-width'] = true; + if ( empty( $args[0]['height'] ) && empty( $args[0]['flex-height'] ) ) + $args[0]['flex-height'] = true; + } + + break; + + case 'custom-background' : + if ( ! is_array( $args ) ) + $args = array( 0 => array() ); + + $defaults = array( + 'default-image' => '', + 'default-color' => '', + 'wp-head-callback' => '_custom_background_cb', + 'admin-head-callback' => '', + 'admin-preview-callback' => '', + ); + + $jit = isset( $args[0]['__jit'] ); + unset( $args[0]['__jit'] ); + + // Merge in data from previous add_theme_support() calls. The first value registered wins. + if ( isset( $_wp_theme_features['custom-background'] ) ) + $args[0] = wp_parse_args( $_wp_theme_features['custom-background'][0], $args[0] ); + + if ( $jit ) + $args[0] = wp_parse_args( $args[0], $defaults ); + + if ( defined( 'BACKGROUND_COLOR' ) ) + $args[0]['default-color'] = BACKGROUND_COLOR; + elseif ( isset( $args[0]['default-color'] ) || $jit ) + define( 'BACKGROUND_COLOR', $args[0]['default-color'] ); + + if ( defined( 'BACKGROUND_IMAGE' ) ) + $args[0]['default-image'] = BACKGROUND_IMAGE; + elseif ( isset( $args[0]['default-image'] ) || $jit ) + define( 'BACKGROUND_IMAGE', $args[0]['default-image'] ); + + break; + } + + $_wp_theme_features[ $feature ] = $args; +} - if ( $feature == 'post-formats' && is_array( $_wp_theme_features[$feature][0] ) ) - $_wp_theme_features[$feature][0] = array_intersect( $_wp_theme_features[$feature][0], array_keys( get_post_format_slugs() ) ); +/** + * Registers the internal custom header and background routines. + * + * @since 3.4.0 + * @access private + */ +function _custom_header_background_just_in_time() { + global $custom_image_header, $custom_background; + + if ( current_theme_supports( 'custom-header' ) ) { + // In case any constants were defined after an add_custom_image_header() call, re-run. + add_theme_support( 'custom-header', array( '__jit' => true ) ); + + $args = get_theme_support( 'custom-header' ); + if ( $args[0]['wp-head-callback'] ) + add_action( 'wp_head', $args[0]['wp-head-callback'] ); + + if ( is_admin() ) { + require_once( ABSPATH . 'wp-admin/custom-header.php' ); + $custom_image_header = new Custom_Image_Header( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] ); + } + } + + if ( current_theme_supports( 'custom-background' ) ) { + // In case any constants were defined after an add_custom_background() call, re-run. + add_theme_support( 'custom-background', array( '__jit' => true ) ); + + $args = get_theme_support( 'custom-background' ); + add_action( 'wp_head', $args[0]['wp-head-callback'] ); + + if ( is_admin() ) { + require_once( ABSPATH . 'wp-admin/custom-background.php' ); + $custom_background = new Custom_Background( $args[0]['admin-head-callback'], $args[0]['admin-preview-callback'] ); + } + } } +add_action( 'wp_loaded', '_custom_header_background_just_in_time' ); /** * Gets the theme support arguments passed when registering that support @@ -1766,10 +1453,24 @@ function add_theme_support( $feature ) { */ function get_theme_support( $feature ) { global $_wp_theme_features; - if ( !isset( $_wp_theme_features[$feature] ) ) + if ( ! isset( $_wp_theme_features[ $feature ] ) ) return false; - else - return $_wp_theme_features[$feature]; + + if ( func_num_args() <= 1 ) + return $_wp_theme_features[ $feature ]; + + $args = array_slice( func_get_args(), 1 ); + switch ( $feature ) { + case 'custom-header' : + case 'custom-background' : + if ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) ) + return $_wp_theme_features[ $feature ][0][ $args[0] ]; + return false; + break; + default : + return $_wp_theme_features[ $feature ]; + break; + } } /** @@ -1785,8 +1486,9 @@ function get_theme_support( $feature ) { */ function remove_theme_support( $feature ) { // Blacklist: for internal registrations not used directly by themes. - if ( in_array( $feature, array( 'custom-background', 'custom-header', 'editor-style', 'widgets', 'menus' ) ) ) + if ( in_array( $feature, array( 'editor-style', 'widgets', 'menus' ) ) ) return false; + return _remove_theme_support( $feature ); } @@ -1799,9 +1501,39 @@ function remove_theme_support( $feature ) { function _remove_theme_support( $feature ) { global $_wp_theme_features; - if ( ! isset( $_wp_theme_features[$feature] ) ) + switch ( $feature ) { + case 'custom-header-uploads' : + if ( ! isset( $_wp_theme_features['custom-header'] ) ) + return false; + add_theme_support( 'custom-header', array( 'uploads' => false ) ); + return; // Do not continue - custom-header-uploads no longer exists. + } + + if ( ! isset( $_wp_theme_features[ $feature ] ) ) return false; - unset( $_wp_theme_features[$feature] ); + + switch ( $feature ) { + case 'custom-header' : + if ( ! did_action( 'wp_loaded' ) ) + break; + $support = get_theme_support( 'custom-header' ); + if ( $support[0]['wp-head-callback'] ) + remove_action( 'wp_head', $support[0]['wp-head-callback'] ); + remove_action( 'admin_menu', array( $GLOBALS['custom_image_header'], 'init' ) ); + unset( $GLOBALS['custom_image_header'] ); + break; + + case 'custom-background' : + if ( ! did_action( 'wp_loaded' ) ) + break; + $support = get_theme_support( 'custom-background' ); + remove_action( 'wp_head', $support[0]['wp-head-callback'] ); + remove_action( 'admin_menu', array( $GLOBALS['custom_background'], 'init' ) ); + unset( $GLOBALS['custom_background'] ); + break; + } + + unset( $_wp_theme_features[ $feature ] ); return true; } @@ -1815,6 +1547,9 @@ function _remove_theme_support( $feature ) { function current_theme_supports( $feature ) { global $_wp_theme_features; + if ( 'custom-header-uploads' == $feature ) + return current_theme_supports( 'custom-header', 'uploads' ); + if ( !isset( $_wp_theme_features[$feature] ) ) return false; @@ -1824,23 +1559,38 @@ function current_theme_supports( $feature ) { $args = array_slice( func_get_args(), 1 ); - // @todo Allow pluggable arg checking switch ( $feature ) { case 'post-thumbnails': // post-thumbnails can be registered for only certain content/post types by passing - // an array of types to add_theme_support(). If no array was passed, then + // an array of types to add_theme_support(). If no array was passed, then // any type is accepted if ( true === $_wp_theme_features[$feature] ) // Registered for all types return true; $content_type = $args[0]; - if ( in_array($content_type, $_wp_theme_features[$feature][0]) ) - return true; - else - return false; + return in_array( $content_type, $_wp_theme_features[$feature][0] ); + break; + + case 'html5': + case 'post-formats': + // specific post formats can be registered by passing an array of types to + // add_theme_support() + + // Specific areas of HTML5 support *must* be passed via an array to add_theme_support() + + $type = $args[0]; + return in_array( $type, $_wp_theme_features[$feature][0] ); + break; + + case 'custom-header': + case 'custom-background' : + // specific custom header and background capabilities can be registered by passing + // an array to add_theme_support() + $header_support = $args[0]; + return ( isset( $_wp_theme_features[$feature][0][$header_support] ) && $_wp_theme_features[$feature][0][$header_support] ); break; } - return true; + return apply_filters('current_theme_supports-' . $feature, true, $args, $_wp_theme_features[$feature]); } /** @@ -1879,4 +1629,125 @@ function _delete_attachment_theme_mod( $id ) { add_action( 'delete_attachment', '_delete_attachment_theme_mod' ); -?> +/** + * Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load + * + * @since 3.3.0 + */ +function check_theme_switched() { + if ( $stylesheet = get_option( 'theme_switched' ) ) { + $old_theme = wp_get_theme( $stylesheet ); + + if ( $old_theme->exists() ) + do_action( 'after_switch_theme', $old_theme->get('Name'), $old_theme ); + else + do_action( 'after_switch_theme', $stylesheet ); + + update_option( 'theme_switched', false ); + } +} + +/** + * Includes and instantiates the WP_Customize_Manager class. + * + * Fires when ?wp_customize=on or on wp-admin/customize.php. + * + * @since 3.4.0 + */ +function _wp_customize_include() { + if ( ! ( ( isset( $_REQUEST['wp_customize'] ) && 'on' == $_REQUEST['wp_customize'] ) + || ( is_admin() && 'customize.php' == basename( $_SERVER['PHP_SELF'] ) ) + ) ) + return; + + require( ABSPATH . WPINC . '/class-wp-customize-manager.php' ); + // Init Customize class + $GLOBALS['wp_customize'] = new WP_Customize_Manager; +} +add_action( 'plugins_loaded', '_wp_customize_include' ); + +/** + * Adds settings for the customize-loader script. + * + * @since 3.4.0 + */ +function _wp_customize_loader_settings() { + global $wp_scripts; + + $admin_origin = parse_url( admin_url() ); + $home_origin = parse_url( home_url() ); + $cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) ); + + $browser = array( + 'mobile' => wp_is_mobile(), + 'ios' => wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ), + ); + + $settings = array( + 'url' => esc_url( admin_url( 'customize.php' ) ), + 'isCrossDomain' => $cross_domain, + 'browser' => $browser, + ); + + $script = 'var _wpCustomizeLoaderSettings = ' . json_encode( $settings ) . ';'; + + $data = $wp_scripts->get_data( 'customize-loader', 'data' ); + if ( $data ) + $script = "$data\n$script"; + + $wp_scripts->add_data( 'customize-loader', 'data', $script ); +} +add_action( 'admin_enqueue_scripts', '_wp_customize_loader_settings' ); + +/** + * Returns a URL to load the theme customizer. + * + * @since 3.4.0 + * + * @param string $stylesheet Optional. Theme to customize. Defaults to current theme. + * The theme's stylesheet will be urlencoded if necessary. + */ +function wp_customize_url( $stylesheet = null ) { + $url = admin_url( 'customize.php' ); + if ( $stylesheet ) + $url .= '?theme=' . urlencode( $stylesheet ); + return esc_url( $url ); +} + +/** + * Prints a script to check whether or not the customizer is supported, + * and apply either the no-customize-support or customize-support class + * to the body. + * + * This function MUST be called inside the body tag. + * + * Ideally, call this function immediately after the body tag is opened. + * This prevents a flash of unstyled content. + * + * It is also recommended that you add the "no-customize-support" class + * to the body tag by default. + * + * @since 3.4.0 + */ +function wp_customize_support_script() { + $admin_origin = parse_url( admin_url() ); + $home_origin = parse_url( home_url() ); + $cross_domain = ( strtolower( $admin_origin[ 'host' ] ) != strtolower( $home_origin[ 'host' ] ) ); + + ?> + +