From 7086111ad4dd997e12a3220e1ee60c9b9bcf0bb8 Mon Sep 17 00:00:00 2001 From: Charles Date: Tue, 7 Jan 2020 13:06:14 +0100 Subject: Added wordpress --- srcs/wordpress/wp-includes/theme.php | 3364 ++++++++++++++++++++++++++++++++++ 1 file changed, 3364 insertions(+) create mode 100644 srcs/wordpress/wp-includes/theme.php (limited to 'srcs/wordpress/wp-includes/theme.php') diff --git a/srcs/wordpress/wp-includes/theme.php b/srcs/wordpress/wp-includes/theme.php new file mode 100644 index 0000000..f20d2a0 --- /dev/null +++ b/srcs/wordpress/wp-includes/theme.php @@ -0,0 +1,3364 @@ + false, + 'allowed' => null, + 'blog_id' => 0, + ); + $args = wp_parse_args( $args, $defaults ); + + $theme_directories = search_theme_directories(); + + if ( is_array( $wp_theme_directories ) && 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 ] = new WP_Theme( $theme, $theme_root['theme_root'] ); + $_themes[ $theme_root['theme_root'] . '/' . $theme ] = $themes[ $theme ]; + } + } + + 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 = '', $theme_root = '' ) { + 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 WordPress date and time locale object. + * + * @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 ( ! is_array( $wp_theme_directories ) || 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. + */ + $cache_expiration = apply_filters( 'wp_cache_themes_persistently', false, 'search_theme_directories' ); + if ( $cache_expiration ) { + $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 Optional. The stylesheet or template name of the theme. + * Default is to leverage the main theme root. + * @return string Themes directory path. + */ +function get_theme_root( $stylesheet_or_template = '' ) { + global $wp_theme_directories; + + $theme_root = ''; + + if ( $stylesheet_or_template ) { + $theme_root = get_raw_theme_root( $stylesheet_or_template ); + if ( $theme_root ) { + // 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; + } + } + } + + if ( ! $theme_root ) { + $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. Default empty. + * @return string Themes directory URI. + */ +function get_theme_root_uri( $stylesheet_or_template = '', $theme_root = '' ) { + 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 The 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 ( ! is_array( $wp_theme_directories ) || 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; + } + + $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"'; + + printf( + '', + $stylesheet, + $type_attr + ); +} + +/** + * 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() ) { + $old_sidebars_widgets_data_setting = $wp_customize->get_setting( 'old_sidebars_widgets_data' ); + if ( $old_sidebars_widgets_data_setting ) { + $_sidebars_widgets = $wp_customize->post_value( $old_sidebars_widgets_data_setting ); + } + } 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' ); + update_option( 'theme_switch_menu_locations', $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(); + + if ( wp_is_recovery_mode() ) { + $paused_themes = wp_paused_themes(); + $paused_themes->delete( $old_theme->get_stylesheet() ); + $paused_themes->delete( $old_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' ); + } + } + + 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 template directory URI as the first string and the stylesheet directory URI + * as the second string. + * + * @since 2.1.0 + * + * @param string $name Theme modification name. + * @param string|false $default Optional. Theme modification default value. Default false. + * @return mixed Theme modification value. + */ +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 ) ) { + // Only run the replacement if an sprintf() string format pattern was found. + if ( preg_match( '#(?get( 'Name' ); + } + delete_option( 'mods_' . $theme_name ); +} + +/** + * Retrieves the custom header text color in 3- or 6-digit hexadecimal form. + * + * @since 2.1.0 + * + * @return string Header text color in 3- or 6-digit hexadecimal form (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 3- or 6-digit hexadecimal form (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 ); + $header_images[ $header_index ]['attachment_parent'] = isset( $header_data['attachment_parent'] ) ? $header_data['attachment_parent'] : ''; + + 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'] = vsprintf( get_theme_support( 'custom-header', 'default-image' ), $directory_args ); + $data['thumbnail_url'] = $data['url']; + 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. + * + * @since 4.7.0 + * + * @return string|false Header video URL or false if there is no video. + */ +function get_header_video_url() { + $id = absint( get_theme_mod( 'header_video' ) ); + $url = esc_url( get_theme_mod( 'external_header_video' ) ); + + if ( $id ) { + // Get the file URL from the attachment ID. + $url = wp_get_attachment_url( $id ); + } + + /** + * Filters the header video URL. + * + * @since 4.7.3 + * + * @param string $url Header video URL, if available. + */ + $url = apply_filters( 'get_header_video_url', $url ); + + if ( ! $id && ! $url ) { + return false; + } + + 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, + 'l10n' => array( + 'pause' => __( 'Pause' ), + 'play' => __( 'Play' ), + 'pauseSpeak' => __( 'Video is paused.' ), + 'playSpeak' => __( 'Video is playing.' ), + ), + ); + + 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']; + } + + /** + * Filters header video settings. + * + * @since 4.7.0 + * + * @param array $settings An array of header video settings. + */ + 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() || ( has_header_video() && is_header_video_active() ) ) { + return true; + } + + return false; +} + +/** + * Checks whether the custom header video is eligible to show on the current page. + * + * @since 4.7.0 + * + * @return bool True if the custom header video should be shown. False if not. + */ +function is_header_video_active() { + if ( ! get_theme_support( 'custom-header', 'video' ) ) { + return false; + } + + $video_active_cb = get_theme_support( 'custom-header', 'video-active-callback' ); + + if ( empty( $video_active_cb ) || ! is_callable( $video_active_cb ) ) { + $show_video = true; + } else { + $show_video = call_user_func( $video_active_cb ); + } + + /** + * Modify whether the custom header video is eligible to show on the current page. + * + * @since 4.7.0 + * + * @param bool $show_video Whether the custom header video should be shown. Returns the value + * of the theme setting for the `custom-header`'s `video-active-callback`. + * If no callback is set, the default value is that of `is_front_page()`. + */ + return apply_filters( 'is_header_video_active', $show_video ); +} + +/** + * Retrieve the markup for a custom header. + * + * The container div will always be returned in the Customizer preview. + * + * @since 4.7.0 + * + * @return string The markup for a custom header on success. + */ +function get_custom_header_markup() { + if ( ! has_custom_header() && ! is_customize_preview() ) { + return ''; + } + + return sprintf( + '
%s
', + get_header_image_tag() + ); +} + +/** + * Print the markup for a custom header. + * + * A container div will always be printed in the Customizer preview. + * + * @since 4.7.0 + */ +function the_custom_header_markup() { + $custom_header = get_custom_header_markup(); + if ( empty( $custom_header ) ) { + return; + } + + echo $custom_header; + + if ( is_header_video_active() && ( has_header_video() || is_customize_preview() ) ) { + 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 + */ +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; + } + + $type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"'; + + if ( ! $background && ! $color ) { + if ( is_customize_preview() ) { + printf( '', $type_attr ); + } + return; + } + + $style = $color ? "background-color: #$color;" : ''; + + if ( $background ) { + $image = ' background-image: url("' . esc_url_raw( $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; + } + ?> + id="custom-background-css"> +body.custom-background { } + + + id="wp-custom-css"> + + + 'custom_css', + 'post_status' => get_post_stati(), + 'name' => sanitize_title( $stylesheet ), + 'posts_per_page' => 1, + 'no_found_rows' => true, + 'cache_results' => true, + 'update_post_meta_cache' => false, + 'update_post_term_cache' => false, + 'lazy_load_term_meta' => false, + ); + + $post = null; + if ( get_stylesheet() === $stylesheet ) { + $post_id = get_theme_mod( 'custom_css_post_id' ); + + if ( $post_id > 0 && get_post( $post_id ) ) { + $post = get_post( $post_id ); + } + + // `-1` indicates no post exists; no query necessary. + if ( ! $post && -1 !== $post_id ) { + $query = new WP_Query( $custom_css_query_vars ); + $post = $query->post; + /* + * Cache the lookup. See wp_update_custom_css_post(). + * @todo This should get cleared if a custom_css post is added/removed. + */ + set_theme_mod( 'custom_css_post_id', $post ? $post->ID : -1 ); + } + } 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 + * + * @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; + } + + /** + * Filters 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; +} + +/** + * Update the `custom_css` post for a given theme. + * + * Inserts a `custom_css` post when one doesn't yet exist. + * + * @since 4.7.0 + * + * @param string $css CSS, stored in `post_content`. + * @param array $args { + * Args. + * + * @type string $preprocessed Pre-processed CSS, stored in `post_content_filtered`. Normally empty string. Optional. + * @type string $stylesheet Stylesheet (child theme) to update. Optional, defaults to current theme/stylesheet. + * } + * @return WP_Post|WP_Error Post on success, error on failure. + */ +function wp_update_custom_css_post( $css, $args = array() ) { + $args = wp_parse_args( + $args, + array( + 'preprocessed' => '', + 'stylesheet' => get_stylesheet(), + ) + ); + + $data = array( + 'css' => $css, + 'preprocessed' => $args['preprocessed'], + ); + + /** + * Filters the `css` (`post_content`) and `preprocessed` (`post_content_filtered`) args for a `custom_css` post being updated. + * + * This filter can be used by plugin that offer CSS pre-processors, to store the original + * pre-processed CSS in `post_content_filtered` and then store processed CSS in `post_content`. + * When used in this way, the `post_content_filtered` should be supplied as the setting value + * instead of `post_content` via a the `customize_value_custom_css` filter, for example: + * + * + * add_filter( 'customize_value_custom_css', function( $value, $setting ) { + * $post = wp_get_custom_css_post( $setting->stylesheet ); + * if ( $post && ! empty( $post->post_content_filtered ) ) { + * $css = $post->post_content_filtered; + * } + * return $css; + * }, 10, 2 ); + * + * + * @since 4.7.0 + * @param array $data { + * Custom CSS data. + * + * @type string $css CSS stored in `post_content`. + * @type string $preprocessed Pre-processed CSS stored in `post_content_filtered`. Normally empty string. + * } + * @param array $args { + * The args passed into `wp_update_custom_css_post()` merged with defaults. + * + * @type string $css The original CSS passed in to be updated. + * @type string $preprocessed The original preprocessed CSS passed in to be updated. + * @type string $stylesheet The stylesheet (theme) being updated. + * } + */ + $data = apply_filters( 'update_custom_css_data', $data, array_merge( $args, compact( 'css' ) ) ); + + $post_data = array( + 'post_title' => $args['stylesheet'], + 'post_name' => sanitize_title( $args['stylesheet'] ), + 'post_type' => 'custom_css', + 'post_status' => 'publish', + 'post_content' => $data['css'], + 'post_content_filtered' => $data['preprocessed'], + ); + + // Update post if it already exists, otherwise create a new one. + $post = wp_get_custom_css_post( $args['stylesheet'] ); + if ( $post ) { + $post_data['ID'] = $post->ID; + $r = wp_update_post( wp_slash( $post_data ), true ); + } else { + $r = wp_insert_post( wp_slash( $post_data ), true ); + + if ( ! is_wp_error( $r ) ) { + if ( get_stylesheet() === $args['stylesheet'] ) { + set_theme_mod( 'custom_css_post_id', $r ); + } + + // Trigger creation of a revision. This should be removed once #30854 is resolved. + if ( 0 === count( wp_get_post_revisions( $r ) ) ) { + wp_save_post_revision( $r ); + } + } + } + + if ( is_wp_error( $r ) ) { + return $r; + } + return get_post( $r ); +} + +/** + * 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' ) { + global $editor_styles; + + add_theme_support( 'editor-style' ); + + $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 ( is_array( $theme_support ) && ! empty( $theme_support[0] ) && is_array( $theme_support[0] ) ) { + $config = $theme_support[0]; + } else { + $config = array(); + } + + $core_content = array( + 'widgets' => array( + 'text_business_info' => array( + 'text', + array( + 'title' => _x( 'Find Us', 'Theme starter content' ), + 'text' => join( + '', + array( + '' . _x( 'Address', 'Theme starter content' ) . "\n", + _x( '123 Main Street', 'Theme starter content' ) . "\n" . _x( 'New York, NY 10001', 'Theme starter content' ) . "\n\n", + '' . _x( 'Hours', 'Theme starter content' ) . "\n", + _x( 'Monday—Friday: 9:00AM–5:00PM', 'Theme starter content' ) . "\n" . _x( 'Saturday & Sunday: 11:00AM–3:00PM', 'Theme starter content' ), + ) + ), + 'filter' => true, + 'visual' => true, + ), + ), + 'text_about' => array( + 'text', + array( + 'title' => _x( 'About This Site', 'Theme starter content' ), + 'text' => _x( 'This may be a good place to introduce yourself and your site or include some credits.', 'Theme starter content' ), + 'filter' => true, + 'visual' => true, + ), + ), + 'archives' => array( + 'archives', + array( + 'title' => _x( 'Archives', 'Theme starter content' ), + ), + ), + 'calendar' => array( + 'calendar', + array( + 'title' => _x( 'Calendar', 'Theme starter content' ), + ), + ), + 'categories' => array( + 'categories', + array( + 'title' => _x( 'Categories', 'Theme starter content' ), + ), + ), + 'meta' => array( + 'meta', + array( + 'title' => _x( 'Meta', 'Theme starter content' ), + ), + ), + 'recent-comments' => array( + 'recent-comments', + array( + 'title' => _x( 'Recent Comments', 'Theme starter content' ), + ), + ), + 'recent-posts' => array( + 'recent-posts', + array( + 'title' => _x( 'Recent Posts', 'Theme starter content' ), + ), + ), + 'search' => array( + 'search', + array( + 'title' => _x( 'Search', 'Theme starter content' ), + ), + ), + ), + 'nav_menus' => array( + 'link_home' => array( + 'type' => 'custom', + 'title' => _x( 'Home', 'Theme starter content' ), + 'url' => home_url( '/' ), + ), + 'page_home' => array( // Deprecated in favor of link_home. + 'type' => 'post_type', + 'object' => 'page', + 'object_id' => '{{home}}', + ), + 'page_about' => array( + 'type' => 'post_type', + 'object' => 'page', + 'object_id' => '{{about}}', + ), + 'page_blog' => array( + 'type' => '