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 * * @global array $wp_theme_directories * * @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. * * @since 3.0.0 * * @return bool true if a child theme is in use, false otherwise. **/ function is_child_theme() { return ( TEMPLATEPATH !== STYLESHEETPATH ); } /** * Retrieve name of the current stylesheet. * * The theme name that the administrator has currently set the front end theme * as. * * For all intents and purposes, the template name and the stylesheet name are * going to be the same for most cases. * * @since 1.5.0 * * @return string Stylesheet name. */ function get_stylesheet() { /** * Filters the name of current stylesheet. * * @since 1.5.0 * * @param string $stylesheet Name of the current stylesheet. */ return apply_filters( 'stylesheet', get_option( 'stylesheet' ) ); } /** * Retrieve stylesheet directory path for current theme. * * @since 1.5.0 * * @return string Path to current theme directory. */ function get_stylesheet_directory() { $stylesheet = get_stylesheet(); $theme_root = get_theme_root( $stylesheet ); $stylesheet_dir = "$theme_root/$stylesheet"; /** * Filters the stylesheet directory path for current theme. * * @since 1.5.0 * * @param string $stylesheet_dir Absolute path to the current theme. * @param string $stylesheet Directory name of the current theme. * @param string $theme_root Absolute path to themes directory. */ return apply_filters( 'stylesheet_directory', $stylesheet_dir, $stylesheet, $theme_root ); } /** * Retrieve stylesheet directory URI. * * @since 1.5.0 * * @return string */ function get_stylesheet_directory_uri() { $stylesheet = str_replace( '%2F', '/', rawurlencode( get_stylesheet() ) ); $theme_root_uri = get_theme_root_uri( $stylesheet ); $stylesheet_dir_uri = "$theme_root_uri/$stylesheet"; /** * Filters the stylesheet directory URI. * * @since 1.5.0 * * @param string $stylesheet_dir_uri Stylesheet directory URI. * @param string $stylesheet Name of the activated theme's directory. * @param string $theme_root_uri Themes root URI. */ return apply_filters( 'stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet, $theme_root_uri ); } /** * Retrieves the URI of current theme stylesheet. * * The stylesheet file name is 'style.css' which is appended to the stylesheet directory URI path. * See get_stylesheet_directory_uri(). * * @since 1.5.0 * * @return string */ function get_stylesheet_uri() { $stylesheet_dir_uri = get_stylesheet_directory_uri(); $stylesheet_uri = $stylesheet_dir_uri . '/style.css'; /** * Filters the URI of the current theme stylesheet. * * @since 1.5.0 * * @param string $stylesheet_uri Stylesheet URI for the current theme/child theme. * @param string $stylesheet_dir_uri Stylesheet directory URI for the current theme/child theme. */ return apply_filters( 'stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri ); } /** * Retrieves the localized stylesheet URI. * * The stylesheet directory for the localized stylesheet files are located, by * default, in the base theme directory. The name of the locale file will be the * locale followed by '.css'. If that does not exist, then the text direction * stylesheet will be checked for existence, for example 'ltr.css'. * * The theme may change the location of the stylesheet directory by either using * the {@see 'stylesheet_directory_uri'} or {@see 'locale_stylesheet_uri'} filters. * * If you want to change the location of the stylesheet files for the entire * WordPress workflow, then change the former. If you just have the locale in a * separate folder, then change the latter. * * @since 2.1.0 * * @global WP_Locale $wp_locale * * @return string */ function get_locale_stylesheet_uri() { global $wp_locale; $stylesheet_dir_uri = get_stylesheet_directory_uri(); $dir = get_stylesheet_directory(); $locale = get_locale(); if ( file_exists("$dir/$locale.css") ) $stylesheet_uri = "$stylesheet_dir_uri/$locale.css"; elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") ) $stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css"; else $stylesheet_uri = ''; /** * Filters the localized stylesheet URI. * * @since 2.1.0 * * @param string $stylesheet_uri Localized stylesheet URI. * @param string $stylesheet_dir_uri Stylesheet directory URI. */ return apply_filters( 'locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri ); } /** * Retrieve name of the current theme. * * @since 1.5.0 * * @return string Template name. */ function get_template() { /** * Filters the name of the current theme. * * @since 1.5.0 * * @param string $template Current theme's directory name. */ return apply_filters( 'template', get_option( 'template' ) ); } /** * Retrieve current theme directory. * * @since 1.5.0 * * @return string Template directory path. */ function get_template_directory() { $template = get_template(); $theme_root = get_theme_root( $template ); $template_dir = "$theme_root/$template"; /** * Filters the current theme directory path. * * @since 1.5.0 * * @param string $template_dir The URI of the current theme directory. * @param string $template Directory name of the current theme. * @param string $theme_root Absolute path to the themes directory. */ return apply_filters( 'template_directory', $template_dir, $template, $theme_root ); } /** * Retrieve theme directory URI. * * @since 1.5.0 * * @return string Template directory URI. */ function get_template_directory_uri() { $template = str_replace( '%2F', '/', rawurlencode( get_template() ) ); $theme_root_uri = get_theme_root_uri( $template ); $template_dir_uri = "$theme_root_uri/$template"; /** * Filters the current theme directory URI. * * @since 1.5.0 * * @param string $template_dir_uri The URI of the current theme directory. * @param string $template Directory name of the current theme. * @param string $theme_root_uri The themes root URI. */ return apply_filters( 'template_directory_uri', $template_dir_uri, $template, $theme_root_uri ); } /** * Retrieve theme roots. * * @since 2.9.0 * * @global array $wp_theme_directories * * @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 $wp_theme_directories; if ( count($wp_theme_directories) <= 1 ) return '/themes'; $theme_roots = get_site_transient( 'theme_roots' ); if ( false === $theme_roots ) { search_theme_directories( true ); // Regenerate the transient. $theme_roots = get_site_transient( 'theme_roots' ); } return $theme_roots; } /** * Register a directory that contains themes. * * @since 2.9.0 * * @global array $wp_theme_directories * * @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 ) { global $wp_theme_directories; 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; } } if ( ! is_array( $wp_theme_directories ) ) { $wp_theme_directories = array(); } $untrailed = untrailingslashit( $directory ); if ( ! empty( $untrailed ) && ! in_array( $untrailed, $wp_theme_directories ) ) { $wp_theme_directories[] = $untrailed; } return true; } /** * Search all registered theme directories for complete and valid themes. * * @since 2.9.0 * * @global array $wp_theme_directories * @staticvar array $found_themes * * @param bool $force Optional. Whether to force a new directory scan. Defaults to false. * @return array|false Valid themes found */ function search_theme_directories( $force = false ) { global $wp_theme_directories; static $found_themes = null; if ( empty( $wp_theme_directories ) ) return false; if ( ! $force && isset( $found_themes ) ) return $found_themes; $found_themes = array(); $wp_theme_directories = (array) $wp_theme_directories; $relative_theme_roots = array(); // 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; } /** * Filters whether to get the cache of the registered theme directories. * * @since 3.4.0 * * @param bool $cache_expiration Whether to get the cache of the theme directories. Default false. * @param string $cache_directory Directory to be searched for the cache. */ 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 } /* Loop the registered theme directories and extract all themes */ foreach ( $wp_theme_directories as $theme_root ) { // 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; } 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, ); } } } 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; } /** * Retrieve path to themes directory. * * Does not have trailing slash. * * @since 1.5.0 * * @global array $wp_theme_directories * * @param string $stylesheet_or_template The stylesheet or template name of the theme * @return string Theme path. */ function get_theme_root( $stylesheet_or_template = false ) { 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'; } /** * Filters the absolute path to the themes directory. * * @since 1.5.0 * * @param string $theme_root Absolute path to themes directory. */ return apply_filters( 'theme_root', $theme_root ); } /** * Retrieve URI for themes directory. * * Does not have trailing slash. * * @since 1.5.0 * * @global array $wp_theme_directories * * @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, $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' ); } /** * Filters the URI for themes directory. * * @since 1.5.0 * * @param string $theme_root_uri The URI for themes directory. * @param string $siteurl WordPress web address which is set in General Options. * @param string $stylesheet_or_template Stylesheet or template name of the theme. */ return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template ); } /** * Get the raw theme root relative to the content directory with no filters applied. * * @since 3.1.0 * * @global array $wp_theme_directories * * @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, $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 ( ! $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; } /** * Display localized stylesheet link element. * * @since 2.1.0 */ function locale_stylesheet() { $stylesheet = get_locale_stylesheet_uri(); if ( empty($stylesheet) ) return; echo ''; } /** * 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 backward compatibility. * * @since 2.5.0 * * @global array $wp_theme_directories * @global WP_Customize_Manager $wp_customize * @global array $sidebars_widgets * * @param string $stylesheet Stylesheet name */ function switch_theme( $stylesheet ) { global $wp_theme_directories, $wp_customize, $sidebars_widgets; $_sidebars_widgets = null; if ( 'wp_ajax_customize_save' === current_action() ) { $_sidebars_widgets = $wp_customize->post_value( $wp_customize->get_setting( 'old_sidebars_widgets_data' ) ); } elseif ( is_array( $sidebars_widgets ) ) { $_sidebars_widgets = $sidebars_widgets; } if ( is_array( $_sidebars_widgets ) ) { set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $_sidebars_widgets ) ); } $nav_menu_locations = get_theme_mod( 'nav_menu_locations' ); if ( func_num_args() > 1 ) { $stylesheet = func_get_arg( 1 ); } $old_theme = wp_get_theme(); $new_theme = wp_get_theme( $stylesheet ); $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 ) ); } else { delete_option( 'template_root' ); delete_option( 'stylesheet_root' ); } $new_name = $new_theme->get('Name'); update_option( 'current_theme', $new_name ); // Migrate from the old mods_{name} option to theme_mods_{slug}. if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) { $default_theme_mods = (array) get_option( 'mods_' . $new_name ); if ( ! empty( $nav_menu_locations ) && empty( $default_theme_mods['nav_menu_locations'] ) ) { $default_theme_mods['nav_menu_locations'] = $nav_menu_locations; } add_option( "theme_mods_$stylesheet", $default_theme_mods ); } else { /* * Since retrieve_widgets() is called when initializing a theme in the Customizer, * we need to remove the theme mods to avoid overwriting changes made via * the Customizer when accessing wp-admin/widgets.php. */ if ( 'wp_ajax_customize_save' === current_action() ) { remove_theme_mod( 'sidebars_widgets' ); } if ( ! empty( $nav_menu_locations ) ) { $nav_mods = get_theme_mod( 'nav_menu_locations' ); if ( empty( $nav_mods ) ) { set_theme_mod( 'nav_menu_locations', $nav_menu_locations ); } } } update_option( 'theme_switched', $old_theme->get_stylesheet() ); /** * Fires after the theme is switched. * * @since 1.5.0 * @since 4.5.0 Introduced the `$old_theme` parameter. * * @param string $new_name Name of the new theme. * @param WP_Theme $new_theme WP_Theme instance of the new theme. * @param WP_Theme $old_theme WP_Theme instance of the old theme. */ do_action( 'switch_theme', $new_name, $new_theme, $old_theme ); } /** * Checks that current theme files 'index.php' and 'style.css' exists. * * Does not initially check the default theme, which is the fallback and should always exist. * But if it doesn't exist, it'll fall back to the latest core default theme that does exist. * Will switch theme to the fallback theme if current theme does not validate. * * You can use the {@see 'validate_current_theme'} filter to return false to * disable this functionality. * * @since 1.5.0 * @see WP_DEFAULT_THEME * * @return bool */ function validate_current_theme() { /** * Filters whether to validate the current theme. * * @since 2.7.0 * * @param bool $validate Whether to validate the current theme. Default true. */ if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) ) return true; if ( ! file_exists( get_template_directory() . '/index.php' ) ) { // Invalid. } elseif ( ! file_exists( get_template_directory() . '/style.css' ) ) { // Invalid. } elseif ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) { // Invalid. } else { // Valid. return true; } $default = wp_get_theme( WP_DEFAULT_THEME ); if ( $default->exists() ) { switch_theme( WP_DEFAULT_THEME ); return false; } /** * If we're in an invalid state but WP_DEFAULT_THEME doesn't exist, * switch to the latest core default theme that's installed. * If it turns out that this latest core default theme is our current * theme, then there's nothing we can do about that, so we have to bail, * rather than going into an infinite loop. (This is why there are * checks against WP_DEFAULT_THEME above, also.) We also can't do anything * if it turns out there is no default theme installed. (That's `false`.) */ $default = WP_Theme::get_core_default_theme(); if ( false === $default || get_stylesheet() == $default->get_stylesheet() ) { return true; } switch_theme( $default->get_stylesheet() ); return false; } /** * Retrieve all theme modifications. * * @since 3.1.0 * * @return array|void Theme modifications. */ function get_theme_mods() { $theme_slug = get_option( 'stylesheet' ); $mods = get_option( "theme_mods_$theme_slug" ); if ( false === $mods ) { $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", $mods ); delete_option( "mods_$theme_name" ); } } return $mods; } /** * Retrieve theme modification value for the current theme. * * If the modification name does not exist, then the $default will be passed * through {@link https://secure.php.net/sprintf sprintf()} PHP function with the first * string the template directory URI and the second string the stylesheet * directory URI. * * @since 2.1.0 * * @param string $name Theme modification name. * @param bool|string $default * @return string */ function get_theme_mod( $name, $default = false ) { $mods = get_theme_mods(); if ( isset( $mods[$name] ) ) { /** * Filters the theme modification, or 'theme_mod', value. * * The dynamic portion of the hook name, `$name`, refers to * the key name of the modification array. For example, * 'header_textcolor', 'header_image', and so on depending * on the theme options. * * @since 2.2.0 * * @param string $current_mod The value of the current theme modification. */ return apply_filters( "theme_mod_{$name}", $mods[$name] ); } if ( is_string( $default ) ) $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); /** This filter is documented in wp-includes/theme.php */ return apply_filters( "theme_mod_{$name}", $default ); } /** * Update theme modification value for the current theme. * * @since 2.1.0 * * @param string $name Theme modification name. * @param mixed $value Theme modification value. */ function set_theme_mod( $name, $value ) { $mods = get_theme_mods(); $old_value = isset( $mods[ $name ] ) ? $mods[ $name ] : false; /** * Filters the theme mod value on save. * * The dynamic portion of the hook name, `$name`, refers to the key name of * the modification array. For example, 'header_textcolor', 'header_image', * and so on depending on the theme options. * * @since 3.9.0 * * @param string $value The new value of the theme mod. * @param string $old_value The current value of the theme mod. */ $mods[ $name ] = apply_filters( "pre_set_theme_mod_{$name}", $value, $old_value ); $theme = get_option( 'stylesheet' ); update_option( "theme_mods_$theme", $mods ); } /** * Remove theme modification name from current theme list. * * If removing the name also removes all elements, then the entire option will * be removed. * * @since 2.1.0 * * @param string $name Theme modification name. */ function remove_theme_mod( $name ) { $mods = get_theme_mods(); if ( ! isset( $mods[ $name ] ) ) return; unset( $mods[ $name ] ); if ( empty( $mods ) ) { remove_theme_mods(); return; } $theme = get_option( 'stylesheet' ); update_option( "theme_mods_$theme", $mods ); } /** * Remove theme modifications option for current theme. * * @since 2.1.0 */ function remove_theme_mods() { delete_option( 'theme_mods_' . get_option( 'stylesheet' ) ); // Old style. $theme_name = get_option( 'current_theme' ); if ( false === $theme_name ) $theme_name = wp_get_theme()->get('Name'); delete_option( 'mods_' . $theme_name ); } /** * Retrieves the custom header text color in HEX format. * * @since 2.1.0 * * @return string Header text color in HEX format (minus the hash symbol). */ function get_header_textcolor() { return get_theme_mod('header_textcolor', get_theme_support( 'custom-header', 'default-text-color' ) ); } /** * Displays the custom header text color in HEX format (minus the hash symbol). * * @since 2.1.0 */ 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; } /** * Check whether a header image is set or not. * * @since 4.2.0 * * @see get_header_image() * * @return bool Whether a header image is set or not. */ function has_header_image() { return (bool) get_header_image(); } /** * Retrieve header image for custom header. * * @since 2.1.0 * * @return string|false */ function get_header_image() { $url = get_theme_mod( 'header_image', get_theme_support( 'custom-header', 'default-image' ) ); if ( 'remove-header' == $url ) return false; if ( is_random_header_image() ) $url = get_random_header_image(); return esc_url_raw( set_url_scheme( $url ) ); } /** * Create image tag markup for a custom header image. * * @since 4.4.0 * * @param array $attr Optional. Additional attributes for the image tag. Can be used * to override the default attributes. Default empty. * @return string HTML image element markup or empty string on failure. */ function get_header_image_tag( $attr = array() ) { $header = get_custom_header(); $header->url = get_header_image(); if ( ! $header->url ) { return ''; } $width = absint( $header->width ); $height = absint( $header->height ); $attr = wp_parse_args( $attr, array( 'src' => $header->url, 'width' => $width, 'height' => $height, 'alt' => get_bloginfo( 'name' ), ) ); // Generate 'srcset' and 'sizes' if not already present. if ( empty( $attr['srcset'] ) && ! empty( $header->attachment_id ) ) { $image_meta = get_post_meta( $header->attachment_id, '_wp_attachment_metadata', true ); $size_array = array( $width, $height ); if ( is_array( $image_meta ) ) { $srcset = wp_calculate_image_srcset( $size_array, $header->url, $image_meta, $header->attachment_id ); $sizes = ! empty( $attr['sizes'] ) ? $attr['sizes'] : wp_calculate_image_sizes( $size_array, $header->url, $image_meta, $header->attachment_id ); if ( $srcset && $sizes ) { $attr['srcset'] = $srcset; $attr['sizes'] = $sizes; } } } $attr = array_map( 'esc_attr', $attr ); $html = ' $value ) { $html .= ' ' . $name . '="' . $value . '"'; } $html .= ' />'; /** * Filters the markup of header images. * * @since 4.4.0 * * @param string $html The HTML image tag markup being filtered. * @param object $header The custom header object returned by 'get_custom_header()'. * @param array $attr Array of the attributes for the image tag. */ return apply_filters( 'get_header_image_tag', $html, $header, $attr ); } /** * Display the image markup for a custom header image. * * @since 4.4.0 * * @param array $attr Optional. Attributes for the image markup. Default empty. */ function the_header_image_tag( $attr = array() ) { echo get_header_image_tag( $attr ); } /** * Get random header image data from registered images in theme. * * @since 3.4.0 * * @access private * * @global array $_wp_default_headers * @staticvar object $_wp_random_header * * @return object */ function _get_random_header_data() { static $_wp_random_header = null; 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; } /** * 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 * * @param string $type The random pool to use. any|default|uploaded * @return bool */ 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 */ function header_image() { $image = get_header_image(); if ( $image ) { echo esc_url( $image ); } } /** * Get the header images uploaded for the current theme. * * @since 3.2.0 * * @return array */ function get_uploaded_header_images() { $header_images = array(); // @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 ( empty( $headers ) ) return array(); foreach ( (array) $headers as $header ) { $url = esc_url_raw( wp_get_attachment_url( $header->ID ) ); $header_data = wp_get_attachment_metadata( $header->ID ); $header_index = $header->ID; $header_images[$header_index] = array(); $header_images[$header_index]['attachment_id'] = $header->ID; $header_images[$header_index]['url'] = $url; $header_images[$header_index]['thumbnail_url'] = $url; $header_images[$header_index]['alt_text'] = get_post_meta( $header->ID, '_wp_attachment_image_alt', true ); 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']; } return $header_images; } /** * Get the header image data. * * @since 3.4.0 * * @global array $_wp_default_headers * * @return object */ function get_custom_header() { global $_wp_default_headers; 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; } } } } } $default = array( 'url' => '', 'thumbnail_url' => '', 'width' => get_theme_support( 'custom-header', 'width' ), 'height' => get_theme_support( 'custom-header', 'height' ), 'video' => get_theme_support( 'custom-header', 'video' ), ); return (object) wp_parse_args( $data, $default ); } /** * Register a selection of default headers to be displayed by the custom header admin UI. * * @since 3.0.0 * * @global array $_wp_default_headers * * @param array $headers Array of headers keyed by a string id. The ids point to arrays containing 'url', 'thumbnail_url', and 'description' keys. */ function register_default_headers( $headers ) { global $_wp_default_headers; $_wp_default_headers = array_merge( (array) $_wp_default_headers, (array) $headers ); } /** * Unregister default headers. * * This function must be called after register_default_headers() has already added the * header you want to remove. * * @see register_default_headers() * @since 3.0.0 * * @global array $_wp_default_headers * * @param string|array $header The header string id (key of array) to remove, or an array thereof. * @return bool|void A single header returns true on success, false on failure. * There is currently no return value for multiple headers. */ function unregister_default_headers( $header ) { global $_wp_default_headers; if ( is_array( $header ) ) { array_map( 'unregister_default_headers', $header ); } elseif ( isset( $_wp_default_headers[ $header ] ) ) { unset( $_wp_default_headers[ $header ] ); return true; } else { return false; } } /** * Check whether a header video is set or not. * * @since 4.7.0 * * @see get_header_video_url() * * @return bool Whether a header video is set or not. */ function has_header_video() { return (bool) get_header_video_url(); } /* Retrieve header video URL for custom header. * * Uses a local video if present, or falls back to an external video. Returns false if there is no video. * * @since 4.7.0 * * @return string|false */ function get_header_video_url() { $id = absint( get_theme_mod( 'header_video' ) ); $url = esc_url( get_theme_mod( 'external_header_video' ) ); if ( ! $id && ! $url ) { return false; } if ( $id ) { // Get the file URL from the attachment ID. $url = wp_get_attachment_url( $id ); } return esc_url_raw( set_url_scheme( $url ) ); } /** * Display header video URL. * * @since 4.7.0 */ function the_header_video_url() { $video = get_header_video_url(); if ( $video ) { echo esc_url( $video ); } } /** * Retrieve header video settings. * * @since 4.7.0 * * @return array */ function get_header_video_settings() { $header = get_custom_header(); $video_url = get_header_video_url(); $video_type = wp_check_filetype( $video_url, wp_get_mime_types() ); $settings = array( 'mimeType' => '', 'posterUrl' => get_header_image(), 'videoUrl' => $video_url, 'width' => absint( $header->width ), 'height' => absint( $header->height ), 'minWidth' => 900, 'minHeight' => 500, ); if ( preg_match( '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#', $video_url ) ) { $settings['mimeType'] = 'video/x-youtube'; } elseif ( ! empty( $video_type['type'] ) ) { $settings['mimeType'] = $video_type['type']; } return apply_filters( 'header_video_settings', $settings ); } /** * Check whether a custom header is set or not. * * @since 4.7.0 * * @return bool True if a custom header is set. False if not. */ function has_custom_header() { if ( has_header_image() || ( is_front_page() && has_header_video() ) ) { return true; } return false; } /** * Retrieve the markup for a custom header. * * @since 4.7.0 * * @return string|false The markup for a custom header on success. False if not. */ function get_custom_header_markup() { if ( ! has_custom_header() ) { return false; } return sprintf( '
%s
', get_header_image_tag() ); } /** * Print the markup for a custom header. * * @since 4.7.0 */ function the_custom_header_markup() { if ( ! $custom_header = get_custom_header_markup() ) { return; } echo $custom_header; if ( has_header_video() && is_front_page() ) { wp_enqueue_script( 'wp-custom-header' ); wp_localize_script( 'wp-custom-header', '_wpCustomHeaderSettings', get_header_video_settings() ); } } /** * Retrieve background image for custom background. * * @since 3.0.0 * * @return string */ function get_background_image() { return get_theme_mod('background_image', get_theme_support( 'custom-background', 'default-image' ) ); } /** * Display background image path. * * @since 3.0.0 */ function background_image() { echo get_background_image(); } /** * Retrieve value for custom background color. * * @since 3.0.0 * * @return string */ function get_background_color() { return get_theme_mod('background_color', get_theme_support( 'custom-background', 'default-color' ) ); } /** * Display background color value. * * @since 3.0.0 */ function background_color() { echo get_background_color(); } /** * Default custom background callback. * * @since 3.0.0 * @access protected */ function _custom_background_cb() { // $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_background_color(); if ( $color === get_theme_support( 'custom-background', 'default-color' ) ) { $color = false; } if ( ! $background && ! $color ) { if ( is_customize_preview() ) { echo ''; } return; } $style = $color ? "background-color: #$color;" : ''; if ( $background ) { $image = " background-image: url(" . wp_json_encode( $background ) . ");"; // Background Position. $position_x = get_theme_mod( 'background_position_x', get_theme_support( 'custom-background', 'default-position-x' ) ); $position_y = get_theme_mod( 'background_position_y', get_theme_support( 'custom-background', 'default-position-y' ) ); if ( ! in_array( $position_x, array( 'left', 'center', 'right' ), true ) ) { $position_x = 'left'; } if ( ! in_array( $position_y, array( 'top', 'center', 'bottom' ), true ) ) { $position_y = 'top'; } $position = " background-position: $position_x $position_y;"; // Background Size. $size = get_theme_mod( 'background_size', get_theme_support( 'custom-background', 'default-size' ) ); if ( ! in_array( $size, array( 'auto', 'contain', 'cover' ), true ) ) { $size = 'auto'; } $size = " background-size: $size;"; // Background Repeat. $repeat = get_theme_mod( 'background_repeat', get_theme_support( 'custom-background', 'default-repeat' ) ); if ( ! in_array( $repeat, array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat' ), true ) ) { $repeat = 'repeat'; } $repeat = " background-repeat: $repeat;"; // Background Scroll. $attachment = get_theme_mod( 'background_attachment', get_theme_support( 'custom-background', 'default-attachment' ) ); if ( 'fixed' !== $attachment ) { $attachment = 'scroll'; } $attachment = " background-attachment: $attachment;"; $style .= $image . $position . $size . $repeat . $attachment; } ?> 'custom_css', 'post_status' => get_post_stati(), 'name' => sanitize_title( $stylesheet ), 'number' => 1, 'no_found_rows' => true, 'cache_results' => true, 'update_post_meta_cache' => false, 'update_term_meta_cache' => false, ); $post = null; if ( get_stylesheet() === $stylesheet ) { $post_id = get_theme_mod( 'custom_css_post_id' ); if ( ! $post_id || ! get_post( $post_id ) ) { $query = new WP_Query( $custom_css_query_vars ); $post = $query->post; /* * Cache the lookup. See WP_Customize_Custom_CSS_Setting::update(). * @todo This should get cleared if a custom_css post is added/removed. */ set_theme_mod( 'custom_css_post_id', $post ? $post->ID : -1 ); } elseif ( $post_id > 0 ) { $post = get_post( $post_id ); } } else { $query = new WP_Query( $custom_css_query_vars ); $post = $query->post; } return $post; } /** * Fetch the saved Custom CSS content for rendering. * * @since 4.7.0 * @access public * * @param string $stylesheet Optional. A theme object stylesheet name. Defaults to the current theme. * @return string The Custom CSS Post content. */ function wp_get_custom_css( $stylesheet = '' ) { $css = ''; if ( empty( $stylesheet ) ) { $stylesheet = get_stylesheet(); } $post = wp_get_custom_css_post( $stylesheet ); if ( $post ) { $css = $post->post_content; } /** * Modify the Custom CSS Output into the . * * @since 4.7.0 * * @param string $css CSS pulled in from the Custom CSS CPT. * @param string $stylesheet The theme stylesheet name. */ $css = apply_filters( 'wp_get_custom_css', $css, $stylesheet ); return $css; } /** * Add callback for custom TinyMCE editor stylesheets. * * The parameter $stylesheet is the name of the stylesheet, relative to * the theme root. It also accepts an array of stylesheets. * It is optional and defaults to 'editor-style.css'. * * 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 * * @global array $editor_styles * * @param array|string $stylesheet Optional. Stylesheet name or array thereof, relative to theme root. * Defaults to 'editor-style.css' */ function add_editor_style( $stylesheet = 'editor-style.css' ) { add_theme_support( 'editor-style' ); if ( ! is_admin() ) return; global $editor_styles; $editor_styles = (array) $editor_styles; $stylesheet = (array) $stylesheet; if ( is_rtl() ) { $rtl_stylesheet = str_replace('.css', '-rtl.css', $stylesheet[0]); $stylesheet[] = $rtl_stylesheet; } $editor_styles = array_merge( $editor_styles, $stylesheet ); } /** * Removes all visual editor stylesheets. * * @since 3.1.0 * * @global array $editor_styles * * @return bool True on success, false if there were no stylesheets to remove. */ function remove_editor_styles() { if ( ! current_theme_supports( 'editor-style' ) ) return false; _remove_theme_support( 'editor-style' ); if ( is_admin() ) $GLOBALS['editor_styles'] = array(); return true; } /** * Retrieve any registered editor stylesheets * * @since 4.0.0 * * @global array $editor_styles Registered editor stylesheets * * @return array If registered, a list of editor stylesheet URLs. */ function get_editor_stylesheets() { $stylesheets = array(); // load editor_style.css if the current theme supports it if ( ! empty( $GLOBALS['editor_styles'] ) && is_array( $GLOBALS['editor_styles'] ) ) { $editor_styles = $GLOBALS['editor_styles']; $editor_styles = array_unique( array_filter( $editor_styles ) ); $style_uri = get_stylesheet_directory_uri(); $style_dir = get_stylesheet_directory(); // Support externally referenced styles (like, say, fonts). foreach ( $editor_styles as $key => $file ) { if ( preg_match( '~^(https?:)?//~', $file ) ) { $stylesheets[] = esc_url_raw( $file ); unset( $editor_styles[ $key ] ); } } // Look in a parent theme first, that way child theme CSS overrides. if ( is_child_theme() ) { $template_uri = get_template_directory_uri(); $template_dir = get_template_directory(); foreach ( $editor_styles as $key => $file ) { if ( $file && file_exists( "$template_dir/$file" ) ) { $stylesheets[] = "$template_uri/$file"; } } } foreach ( $editor_styles as $file ) { if ( $file && file_exists( "$style_dir/$file" ) ) { $stylesheets[] = "$style_uri/$file"; } } } /** * Filters the array of stylesheets applied to the editor. * * @since 4.3.0 * * @param array $stylesheets Array of stylesheets to be applied to the editor. */ return apply_filters( 'editor_stylesheets', $stylesheets ); } /** * Expand a theme's starter content configuration using core-provided data. * * @since 4.7.0 * * @return array Array of starter content. */ function get_theme_starter_content() { $theme_support = get_theme_support( 'starter-content' ); if ( ! empty( $theme_support ) ) { $config = $theme_support[0]; } else { $config = array(); } $core_content = array ( 'widgets' => array( 'text_business_info' => array ( 'text', array ( 'title' => __( 'Find Us' ), 'text' => join( '', array ( '

' . __( 'Address' ) . '
', __( '123 Main Street' ) . '
' . __( 'New York, NY 10001' ) . '

', '

' . __( 'Hours' ) . '
', __( 'Monday—Friday: 9:00AM–5:00PM' ) . '
' . __( 'Saturday & Sunday: 11:00AM–3:00PM' ) . '

' ) ), ) ), 'search' => array ( 'search', array ( 'title' => __( 'Site Search' ), ) ), 'text_credits' => array ( 'text', array ( 'title' => __( 'Site Credits' ), 'text' => sprintf( __( 'This site was created on %s' ), get_date_from_gmt( current_time( 'mysql', 1 ), 'c' ) ), ) ), ), 'nav_menus' => array ( 'page_home' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{home}}', ), 'page_about' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{about-us}}', ), 'page_blog' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{blog}}', ), 'page_contact' => array( 'type' => 'post_type', 'object' => 'page', 'object_id' => '{{contact-us}}', ), 'link_yelp' => array( 'title' => __( 'Yelp' ), 'url' => 'https://www.yelp.com', ), 'link_facebook' => array( 'title' => __( 'Facebook' ), 'url' => 'https://www.facebook.com/wordpress', ), 'link_twitter' => array( 'title' => __( 'Twitter' ), 'url' => 'https://twitter.com/wordpress', ), 'link_instagram' => array( 'title' => __( 'Instagram' ), 'url' => 'https://www.instagram.com/explore/tags/wordcamp/', ), 'link_email' => array( 'title' => __( 'Email' ), 'url' => 'mailto:wordpress@example.com', ), ), 'posts' => array( 'home' => array( 'post_type' => 'page', 'post_title' => __( 'Homepage' ), 'post_content' => __( 'Welcome home.' ), ), 'about-us' => array( 'post_type' => 'page', 'post_title' => __( 'About Us' ), 'post_content' => __( 'More than you ever wanted to know.' ), ), 'contact-us' => array( 'post_type' => 'page', 'post_title' => __( 'Contact Us' ), 'post_content' => __( 'Call us at 999-999-9999.' ), ), 'blog' => array( 'post_type' => 'page', 'post_title' => __( 'Blog' ), ), 'homepage-section' => array( 'post_type' => 'page', 'post_title' => __( 'A homepage section' ), 'post_content' => __( 'This is an example of a homepage section, which are managed in theme options.' ), ), ), ); $content = array(); foreach ( $config as $type => $args ) { switch( $type ) { // Use options and theme_mods as-is case 'options' : case 'theme_mods' : $content[ $type ] = $config[ $type ]; break; // Widgets are an extra level down due to groupings case 'widgets' : foreach ( $config[ $type ] as $group => $items ) { foreach ( $items as $id ) { if ( ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $id ] ) ) { $content[ $type ][ $group ][ $id ] = $core_content[ $type ][ $id ]; } } } break; // And nav menus are yet another level down case 'nav_menus' : foreach ( $config[ $type ] as $group => $args2 ) { // Menu groups need a name if ( empty( $args['name'] ) ) { $args2['name'] = $group; } $content[ $type ][ $group ]['name'] = $args2['name']; // Do we need to check if this is empty? foreach ( $args2['items'] as $id ) { if ( ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $id ] ) ) { $content[ $type ][ $group ]['items'][ $id ] = $core_content[ $type ][ $id ]; } } } break; // Everything else should map at the next level default : foreach( $config[ $type ] as $id ) { if ( ! empty( $core_content[ $type ] ) && ! empty( $core_content[ $type ][ $id ] ) ) { $content[ $type ][ $id ] = $core_content[ $type ][ $id ]; } } break; } } /** * Filters the expanded array of starter content. * * @since 4.7.0 * * @param array $content Array of starter content. * @param array $config Array of theme-specific starter content configuration. */ return apply_filters( 'get_theme_starter_content', $content, $config ); } /** * Registers theme support for a given feature. * * Must be called in the theme's functions.php file to work. * If attached to a hook, it must be {@see 'after_setup_theme'}. * The {@see 'init'} hook may be too late for some features. * * @since 2.9.0 * @since 3.6.0 The `html5` feature was added * @since 3.9.0 The `html5` feature now also accepts 'gallery' and 'caption' * @since 4.1.0 The `title-tag` feature was added * @since 4.5.0 The `customize-selective-refresh-widgets` feature was added * @since 4.7.0 The `starter-content` feature was added * * @global array $_wp_theme_features * * @param string $feature The feature being added. Likely core values include 'post-formats', * 'post-thumbnails', 'html5', 'custom-logo', 'custom-header-uploads', * 'custom-header', 'custom-background', 'title-tag', 'starter-content', etc. * @param mixed $args,... Optional extra arguments to pass along with certain features. * @return void|bool False on failure, void otherwise. */ function add_theme_support( $feature ) { global $_wp_theme_features; if ( func_num_args() == 1 ) $args = true; else $args = array_slice( func_get_args(), 1 ); switch ( $feature ) { case 'post-thumbnails': // All post types are already supported. if ( true === get_theme_support( 'post-thumbnails' ) ) { return; } /* * Merge post types with any that already declared their support * for post thumbnails. */ if ( is_array( $args[0] ) && isset( $_wp_theme_features['post-thumbnails'] ) ) { $args[0] = array_unique( array_merge( $_wp_theme_features['post-thumbnails'][0], $args[0] ) ); } break; case 'post-formats' : if ( is_array( $args[0] ) ) { $post_formats = get_post_format_slugs(); unset( $post_formats['standard'] ); $args[0] = array_intersect( $args[0], array_keys( $post_formats ) ); } break; case 'html5' : // You can't just pass 'html5', you need to pass an array of types. if ( empty( $args[0] ) ) { // Build an array of types for back-compat. $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-logo': if ( ! is_array( $args ) ) { $args = array( 0 => array() ); } $defaults = array( 'width' => null, 'height' => null, 'flex-width' => false, 'flex-height' => false, 'header-text' => '', ); $args[0] = wp_parse_args( array_intersect_key( $args[0], $defaults ), $defaults ); // Allow full flexibility if no size is specified. if ( is_null( $args[0]['width'] ) && is_null( $args[0]['height'] ) ) { $args[0]['flex-width'] = true; $args[0]['flex-height'] = true; } break; case 'custom-header-uploads' : return add_theme_support( 'custom-header', array( 'uploads' => true ) ); 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' => '', 'video' => false, ); $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 backward 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-preset' => 'default', 'default-position-x' => 'left', 'default-position-y' => 'top', 'default-size' => 'auto', 'default-repeat' => 'repeat', 'default-attachment' => 'scroll', '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', $args[0]['default-image'] ); break; // Ensure that 'title-tag' is accessible in the admin. case 'title-tag' : // Can be called in functions.php but must happen before wp_loaded, i.e. not in header.php. if ( did_action( 'wp_loaded' ) ) { /* translators: 1: Theme support 2: hook name */ _doing_it_wrong( "add_theme_support( 'title-tag' )", sprintf( __( 'Theme support for %1$s should be registered before the %2$s hook.' ), 'title-tag', 'wp_loaded' ), '4.1.0' ); return false; } } $_wp_theme_features[ $feature ] = $args; } /** * Registers the internal custom header and background routines. * * @since 3.4.0 * @access private * * @global Custom_Image_Header $custom_image_header * @global Custom_Background $custom_background */ 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'] ); } } } /** * Adds CSS to hide header text for custom logo, based on Customizer setting. * * @since 4.5.0 * @access private */ function _custom_logo_header_styles() { if ( ! current_theme_supports( 'custom-header', 'header-text' ) && get_theme_support( 'custom-logo', 'header-text' ) && ! get_theme_mod( 'header_text', true ) ) { $classes = (array) get_theme_support( 'custom-logo', 'header-text' ); $classes = array_map( 'sanitize_html_class', $classes ); $classes = '.' . implode( ', .', $classes ); ?> false ) ); return; // Do not continue - custom-header-uploads no longer exists. } if ( ! isset( $_wp_theme_features[ $feature ] ) ) return false; 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; } /** * Checks a theme's support for a given feature * * @since 2.9.0 * * @global array $_wp_theme_features * * @param string $feature the feature being checked * @return bool */ 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; // If no args passed then no extra checks need be performed if ( func_num_args() <= 1 ) return true; $args = array_slice( func_get_args(), 1 ); 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 // any type is accepted if ( true === $_wp_theme_features[$feature] ) // Registered for all types return true; $content_type = $args[0]; return in_array( $content_type, $_wp_theme_features[$feature][0] ); 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] ); case 'custom-logo': case 'custom-header': case 'custom-background': // Specific capabilities can be registered by passing an array to add_theme_support(). return ( isset( $_wp_theme_features[ $feature ][0][ $args[0] ] ) && $_wp_theme_features[ $feature ][0][ $args[0] ] ); } /** * Filters whether the current theme supports a specific feature. * * The dynamic portion of the hook name, `$feature`, refers to the specific theme * feature. Possible values include 'post-formats', 'post-thumbnails', 'custom-background', * 'custom-header', 'menus', 'automatic-feed-links', 'html5', * 'starter-content', and 'customize-selective-refresh-widgets'. * * @since 3.4.0 * * @param bool true Whether the current theme supports the given feature. Default true. * @param array $args Array of arguments for the feature. * @param string $feature The theme feature. */ return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[$feature] ); } /** * Checks a theme's support for a given feature before loading the functions which implement it. * * @since 2.9.0 * * @param string $feature The feature being checked. * @param string $include Path to the file. * @return bool True if the current theme supports the supplied feature, false otherwise. */ function require_if_theme_supports( $feature, $include ) { if ( current_theme_supports( $feature ) ) { require ( $include ); return true; } return false; } /** * Checks an attachment being deleted to see if it's a header or background image. * * If true it removes the theme modification which would be pointing at the deleted * attachment. * * @access private * @since 3.0.0 * @since 4.3.0 Also removes `header_image_data`. * @since 4.5.0 Also removes custom logo theme mods. * * @param int $id The attachment id. */ function _delete_attachment_theme_mod( $id ) { $attachment_image = wp_get_attachment_url( $id ); $header_image = get_header_image(); $background_image = get_background_image(); $custom_logo_id = get_theme_mod( 'custom_logo' ); if ( $custom_logo_id && $custom_logo_id == $id ) { remove_theme_mod( 'custom_logo' ); remove_theme_mod( 'header_text' ); } if ( $header_image && $header_image == $attachment_image ) { remove_theme_mod( 'header_image' ); remove_theme_mod( 'header_image_data' ); } if ( $background_image && $background_image == $attachment_image ) { remove_theme_mod( 'background_image' ); } } /** * Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load. * * See {@see 'after_switch_theme'}. * * @since 3.3.0 */ function check_theme_switched() { if ( $stylesheet = get_option( 'theme_switched' ) ) { $old_theme = wp_get_theme( $stylesheet ); // Prevent retrieve_widgets() from running since Customizer already called it up front if ( get_option( 'theme_switched_via_customizer' ) ) { remove_action( 'after_switch_theme', '_wp_sidebars_changed' ); update_option( 'theme_switched_via_customizer', false ); } if ( $old_theme->exists() ) { /** * Fires on the first WP load after a theme switch if the old theme still exists. * * This action fires multiple times and the parameters differs * according to the context, if the old theme exists or not. * If the old theme is missing, the parameter will be the slug * of the old theme. * * @since 3.3.0 * * @param string $old_name Old theme name. * @param WP_Theme $old_theme WP_Theme instance of the old theme. */ do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme ); } else { /** This action is documented in wp-includes/theme.php */ do_action( 'after_switch_theme', $stylesheet ); } flush_rewrite_rules(); update_option( 'theme_switched', false ); } } /** * Includes and instantiates the WP_Customize_Manager class. * * Loads the Customizer at plugins_loaded when accessing the customize.php admin * page or when any request includes a wp_customize=on param or a customize_changeset * param (a UUID). This param is a signal for whether to bootstrap the Customizer when * WordPress is loading, especially in the Customizer preview * or when making Customizer Ajax requests for widgets or menus. * * @since 3.4.0 * * @global WP_Customize_Manager $wp_customize */ function _wp_customize_include() { $is_customize_admin_page = ( is_admin() && 'customize.php' == basename( $_SERVER['PHP_SELF'] ) ); $should_include = ( $is_customize_admin_page || ( isset( $_REQUEST['wp_customize'] ) && 'on' == $_REQUEST['wp_customize'] ) || ( ! empty( $_GET['customize_changeset_uuid'] ) || ! empty( $_POST['customize_changeset_uuid'] ) ) ); if ( ! $should_include ) { return; } /* * Note that wp_unslash() is not being used on the input vars because it is * called before wp_magic_quotes() gets called. Besides this fact, none of * the values should contain any characters needing slashes anyway. */ $keys = array( 'changeset_uuid', 'customize_changeset_uuid', 'customize_theme', 'theme', 'customize_messenger_channel' ); $input_vars = array_merge( wp_array_slice_assoc( $_GET, $keys ), wp_array_slice_assoc( $_POST, $keys ) ); $theme = null; $changeset_uuid = null; $messenger_channel = null; if ( $is_customize_admin_page && isset( $input_vars['changeset_uuid'] ) ) { $changeset_uuid = sanitize_key( $input_vars['changeset_uuid'] ); } elseif ( ! empty( $input_vars['customize_changeset_uuid'] ) ) { $changeset_uuid = sanitize_key( $input_vars['customize_changeset_uuid'] ); } // Note that theme will be sanitized via WP_Theme. if ( $is_customize_admin_page && isset( $input_vars['theme'] ) ) { $theme = $input_vars['theme']; } elseif ( isset( $input_vars['customize_theme'] ) ) { $theme = $input_vars['customize_theme']; } if ( isset( $input_vars['customize_messenger_channel'] ) ) { $messenger_channel = sanitize_key( $input_vars['customize_messenger_channel'] ); } require_once ABSPATH . WPINC . '/class-wp-customize-manager.php'; $GLOBALS['wp_customize'] = new WP_Customize_Manager( compact( 'changeset_uuid', 'theme', 'messenger_channel' ) ); } /** * Publish a snapshot's changes. * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $changeset_post Changeset post object. */ function _wp_customize_publish_changeset( $new_status, $old_status, $changeset_post ) { global $wp_customize, $wpdb; $is_publishing_changeset = ( 'customize_changeset' === $changeset_post->post_type && 'publish' === $new_status && 'publish' !== $old_status ); if ( ! $is_publishing_changeset ) { return; } if ( empty( $wp_customize ) ) { require_once ABSPATH . WPINC . '/class-wp-customize-manager.php'; $wp_customize = new WP_Customize_Manager( array( 'changeset_uuid' => $changeset_post->post_name ) ); } if ( ! did_action( 'customize_register' ) ) { /* * When running from CLI or Cron, the customize_register action will need * to be triggered in order for core, themes, and plugins to register their * settings. Normally core will add_action( 'customize_register' ) at * priority 10 to register the core settings, and if any themes/plugins * also add_action( 'customize_register' ) at the same priority, they * will have a $wp_customize with those settings registered since they * call add_action() afterward, normally. However, when manually doing * the customize_register action after the setup_theme, then the order * will be reversed for two actions added at priority 10, resulting in * the core settings no longer being available as expected to themes/plugins. * So the following manually calls the method that registers the core * settings up front before doing the action. */ remove_action( 'customize_register', array( $wp_customize, 'register_controls' ) ); $wp_customize->register_controls(); /** This filter is documented in /wp-includes/class-wp-customize-manager.php */ do_action( 'customize_register', $wp_customize ); } $wp_customize->_publish_changeset_values( $changeset_post->ID ) ; /* * Trash the changeset post if revisions are not enabled. Unpublished * changesets by default get garbage collected due to the auto-draft status. * When a changeset post is published, however, it would no longer get cleaned * out. Ths is a problem when the changeset posts are never displayed anywhere, * since they would just be endlessly piling up. So here we use the revisions * feature to indicate whether or not a published changeset should get trashed * and thus garbage collected. */ if ( ! wp_revisions_enabled( $changeset_post ) ) { $post = $changeset_post; $post_id = $changeset_post->ID; /* * The following re-formulates the logic from wp_trash_post() as done in * wp_publish_post(). The reason for bypassing wp_trash_post() is that it * will mutate the the post_content and the post_name when they should be * untouched. */ if ( ! EMPTY_TRASH_DAYS ) { wp_delete_post( $post_id, true ); } else { /** This action is documented in wp-includes/post.php */ do_action( 'wp_trash_post', $post_id ); add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status ); add_post_meta( $post_id, '_wp_trash_meta_time', time() ); $old_status = $post->post_status; $new_status = 'trash'; $wpdb->update( $wpdb->posts, array( 'post_status' => $new_status ), array( 'ID' => $post->ID ) ); clean_post_cache( $post->ID ); $post->post_status = $new_status; wp_transition_post_status( $new_status, $old_status, $post ); /** This action is documented in wp-includes/post.php */ do_action( 'edit_post', $post->ID, $post ); /** This action is documented in wp-includes/post.php */ do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'save_post', $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'wp_insert_post', $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'trashed_post', $post_id ); } } } /** * Filters changeset post data upon insert to ensure post_name is intact. * * This is needed to prevent the post_name from being dropped when the post is * transitioned into pending status by a contributor. * * @since 4.7.0 * @see wp_insert_post() * * @param array $post_data An array of slashed post data. * @param array $supplied_post_data An array of sanitized, but otherwise unmodified post data. * @returns array Filtered data. */ function _wp_customize_changeset_filter_insert_post_data( $post_data, $supplied_post_data ) { if ( isset( $post_data['post_type'] ) && 'customize_changeset' === $post_data['post_type'] ) { // Prevent post_name from being dropped, such as when contributor saves a changeset post as pending. if ( empty( $post_data['post_name'] ) && ! empty( $supplied_post_data['post_name'] ) ) { $post_data['post_name'] = $supplied_post_data['post_name']; } } return $post_data; } /** * Adds settings for the customize-loader script. * * @since 3.4.0 */ function _wp_customize_loader_settings() { $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, 'l10n' => array( 'saveAlert' => __( 'The changes you made will be lost if you navigate away from this page.' ), 'mainIframeTitle' => __( 'Customizer' ), ), ); $script = 'var _wpCustomizeLoaderSettings = ' . wp_json_encode( $settings ) . ';'; $wp_scripts = wp_scripts(); $data = $wp_scripts->get_data( 'customize-loader', 'data' ); if ( $data ) $script = "$data\n$script"; $wp_scripts->add_data( 'customize-loader', 'data', $script ); } /** * Returns a URL to load the 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. * @return string */ 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 * @since 4.7.0 Support for IE8 and below is explicitly removed via conditional comments. */ 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' ] ) ); ?> is_preview(); }