{ if ( is_file( $path_to_index_block_template ) && is_readable( $path_to_index_block_template ) ) { $this->block_theme = true; break; } } return $this->block_theme; } /** * Retrieves the path of a file in the theme. * * Searches in the stylesheet directory before the template directory so themes * which inherit from a parent theme can just override one file. * * @since 5.9.0 * * @param string $file Optional. File to search for in the stylesheet directory. * @return string The path of the file. */ public function get_file_path( $file = '' ) { $file = ltrim( $file, '/' ); $stylesheet_directory = $this->get_stylesheet_directory(); $template_directory = $this->get_template_directory(); if ( empty( $file ) ) { $path = $stylesheet_directory; } elseif ( $stylesheet_directory !== $template_directory && file_exists( $stylesheet_directory . '/' . $file ) ) { $path = $stylesheet_directory . '/' . $file; } else { $path = $template_directory . '/' . $file; } /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'theme_file_path', $path, $file ); } /** * Determines the latest WordPress default theme that is installed. * * This hits the filesystem. * * @since 4.4.0 * * @return WP_Theme|false Object, or false if no theme is installed, which would be bad. */ public static function get_core_default_theme() { foreach ( array_reverse( self::$default_themes ) as $slug => $name ) { $theme = wp_get_theme( $slug ); if ( $theme->exists() ) { return $theme; } } return false; } /** * Returns array of stylesheet names of themes allowed on the site or network. * * @since 3.4.0 * * @param int $blog_id Optional. ID of the site. Defaults to the current site. * @return string[] Array of stylesheet names. */ public static function get_allowed( $blog_id = null ) { /** * Filters the array of themes allowed on the network. * * Site is provided as context so that a list of network allowed themes can * be filtered further. * * @since 4.5.0 * * @param string[] $allowed_themes An array of theme stylesheet names. * @param int $blog_id ID of the site. */ $network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id ); return $network + self::get_allowed_on_site( $blog_id ); } /** * Returns array of stylesheet names of themes allowed on the network. * * @since 3.4.0 * * @return string[] Array of stylesheet names. */ public static function get_allowed_on_network() { static $allowed_themes; if ( ! isset( $allowed_themes ) ) { $allowed_themes = (array) get_site_option( 'allowedthemes' ); } /** * Filters the array of themes allowed on the network. * * @since MU (3.0.0) * * @param string[] $allowed_themes An array of theme stylesheet names. */ $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); return $allowed_themes; } /** * Returns array of stylesheet names of themes allowed on the site. * * @since 3.4.0 * * @param int $blog_id Optional. ID of the site. Defaults to the current site. * @return string[] Array of stylesheet names. */ public static function get_allowed_on_site( $blog_id = null ) { static $allowed_themes = array(); if ( ! $blog_id || ! is_multisite() ) { $blog_id = get_current_blog_id(); } if ( isset( $allowed_themes[ $blog_id ] ) ) { /** * Filters the array of themes allowed on the site. * * @since 4.5.0 * * @param string[] $allowed_themes An array of theme stylesheet names. * @param int $blog_id ID of the site. Defaults to current site. */ return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id ); } $current = get_current_blog_id() === $blog_id; if ( $current ) { $allowed_themes[ $blog_id ] = get_option( 'allowedthemes' ); } else { switch_to_blog( $blog_id ); $allowed_themes[ $blog_id ] = get_option( 'allowedthemes' ); restore_current_blog(); } /* * This is all super old MU back compat joy. * 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name. */ if ( false === $allowed_themes[ $blog_id ] ) { if ( $current ) { $allowed_themes[ $blog_id ] = get_option( 'allowed_themes' ); } else { switch_to_blog( $blog_id ); $allowed_themes[ $blog_id ] = get_option( 'allowed_themes' ); restore_current_blog(); } if ( ! is_array( $allowed_themes[ $blog_id ] ) || empty( $allowed_themes[ $blog_id ] ) ) { $allowed_themes[ $blog_id ] = array(); } else { $converted = array(); $themes = wp_get_themes(); foreach ( $themes as $stylesheet => $theme_data ) { if ( isset( $allowed_themes[ $blog_id ][ $theme_data->get( 'Name' ) ] ) ) { $converted[ $stylesheet ] = true; } } $allowed_themes[ $blog_id ] = $converted; } // Set the option so we never have to go through this pain again. if ( is_admin() && $allowed_themes[ $blog_id ] ) { if ( $current ) { update_option( 'allowedthemes', $allowed_themes[ $blog_id ] ); delete_option( 'allowed_themes' ); } else { switch_to_blog( $blog_id ); update_option( 'allowedthemes', $allowed_themes[ $blog_id ] ); delete_option( 'allowed_themes' ); restore_current_blog(); } } } /** This filter is documented in wp-includes/class-wp-theme.php */ return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id ); } /** * Returns the folder names of the block template directories. * * @since 6.4.0 * * @return string[] { * Folder names used by block themes. * * @type string $wp_template Theme-relative directory name for block templates. * @type string $wp_template_part Theme-relative directory name for block template parts. * } */ public function get_block_template_folders() { // Return set/cached value if available. if ( isset( $this->block_template_folders ) ) { return $this->block_template_folders; } $this->block_template_folders = $this->default_template_folders; $stylesheet_directory = $this->get_stylesheet_directory(); // If the theme uses deprecated block template folders. if ( file_exists( $stylesheet_directory . '/block-templates' ) || file_exists( $stylesheet_directory . '/block-template-parts' ) ) { $this->block_template_folders = array( 'wp_template' => 'block-templates', 'wp_template_part' => 'block-template-parts', ); } return $this->block_template_folders; } /** * Gets block pattern data for a specified theme. * Each pattern is defined as a PHP file and defines * its metadata using plugin-style headers. The minimum required definition is: * * /** * * Title: My Pattern * * Slug: my-theme/my-pattern * * * * The output of the PHP source corresponds to the content of the pattern, e.g.: * *

Hello

* * If applicable, this will collect from both parent and child theme. * * Other settable fields include: * * - Description * - Viewport Width * - Inserter (yes/no) * - Categories (comma-separated values) * - Keywords (comma-separated values) * - Block Types (comma-separated values) * - Post Types (comma-separated values) * - Template Types (comma-separated values) * * @since 6.4.0 * * @return array Block pattern data. */ public function get_block_patterns() { $can_use_cached = ! wp_is_development_mode( 'theme' ); $pattern_data = $this->get_pattern_cache(); if ( is_array( $pattern_data ) ) { if ( $can_use_cached ) { return $pattern_data; } // If in development mode, clear pattern cache. $this->delete_pattern_cache(); } $dirpath = $this->get_stylesheet_directory() . '/patterns/'; $pattern_data = array(); if ( ! file_exists( $dirpath ) ) { if ( $can_use_cached ) { $this->set_pattern_cache( $pattern_data ); } return $pattern_data; } $files = glob( $dirpath . '*.php' ); if ( ! $files ) { if ( $can_use_cached ) { $this->set_pattern_cache( $pattern_data ); } return $pattern_data; } $default_headers = array( 'title' => 'Title', 'slug' => 'Slug', 'description' => 'Description', 'viewportWidth' => 'Viewport Width', 'inserter' => 'Inserter', 'categories' => 'Categories', 'keywords' => 'Keywords', 'blockTypes' => 'Block Types', 'postTypes' => 'Post Types', 'templateTypes' => 'Template Types', ); $properties_to_parse = array( 'categories', 'keywords', 'blockTypes', 'postTypes', 'templateTypes', ); foreach ( $files as $file ) { $pattern = get_file_data( $file, $default_headers ); if ( empty( $pattern['slug'] ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: file name. */ __( 'Could not register file "%s" as a block pattern ("Slug" field missing)' ), $file ), '6.0.0' ); continue; } if ( ! preg_match( '/^[A-z0-9\/_-]+$/', $pattern['slug'] ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: file name; 2: slug value found. */ __( 'Could not register file "%1$s" as a block pattern (invalid slug "%2$s")' ), $file, $pattern['slug'] ), '6.0.0' ); } // Title is a required property. if ( ! $pattern['title'] ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: file name. */ __( 'Could not register file "%s" as a block pattern ("Title" field missing)' ), $file ), '6.0.0' ); continue; } // For properties of type array, parse data as comma-separated. foreach ( $properties_to_parse as $property ) { if ( ! empty( $pattern[ $property ] ) ) { $pattern[ $property ] = array_filter( wp_parse_list( (string) $pattern[ $property ] ) ); } else { unset( $pattern[ $property ] ); } } // Parse properties of type int. $property = 'viewportWidth'; if ( ! empty( $pattern[ $property ] ) ) { $pattern[ $property ] = (int) $pattern[ $property ]; } else { unset( $pattern[ $property ] ); } // Parse properties of type bool. $property = 'inserter'; if ( ! empty( $pattern[ $property ] ) ) { $pattern[ $property ] = in_array( strtolower( $pattern[ $property ] ), array( 'yes', 'true' ), true ); } else { unset( $pattern[ $property ] ); } $key = str_replace( $dirpath, '', $file ); $pattern_data[ $key ] = $pattern; } if ( $can_use_cached ) { $this->set_pattern_cache( $pattern_data ); } return $pattern_data; } /** * Gets block pattern cache. * * @since 6.4.0 * @since 6.6.0 Uses transients to cache regardless of site environment. * * @return array|false Returns an array of patterns if cache is found, otherwise false. */ private function get_pattern_cache() { if ( ! $this->exists() ) { return false; } $pattern_data = get_site_transient( 'wp_theme_files_patterns-' . $this->cache_hash ); if ( is_array( $pattern_data ) && $pattern_data['version'] === $this->get( 'Version' ) ) { return $pattern_data['patterns']; } return false; } /** * Sets block pattern cache. * * @since 6.4.0 * @since 6.6.0 Uses transients to cache regardless of site environment. * * @param array $patterns Block patterns data to set in cache. */ private function set_pattern_cache( array $patterns ) { $pattern_data = array( 'version' => $this->get( 'Version' ), 'patterns' => $patterns, ); /** * Filters the cache expiration time for theme files. * * @since 6.6.0 * * @param int $cache_expiration Cache expiration time in seconds. * @param string $cache_type Type of cache being set. */ $cache_expiration = (int) apply_filters( 'wp_theme_files_cache_ttl', self::$cache_expiration, 'theme_block_patterns' ); // We don't want to cache patterns infinitely. if ( $cache_expiration <= 0 ) { _doing_it_wrong( __METHOD__, sprintf( /* translators: %1$s: The filter name.*/ __( 'The %1$s filter must return an integer value greater than 0.' ), 'wp_theme_files_cache_ttl' ), '6.6.0' ); $cache_expiration = self::$cache_expiration; } set_site_transient( 'wp_theme_files_patterns-' . $this->cache_hash, $pattern_data, $cache_expiration ); } /** * Clears block pattern cache. * * @since 6.4.0 * @since 6.6.0 Uses transients to cache regardless of site environment. */ public function delete_pattern_cache() { delete_site_transient( 'wp_theme_files_patterns-' . $this->cache_hash ); } /** * Enables a theme for all sites on the current network. * * @since 4.6.0 * * @param string|string[] $stylesheets Stylesheet name or array of stylesheet names. */ public static function network_enable_theme( $stylesheets ) { if ( ! is_multisite() ) { return; } if ( ! is_array( $stylesheets ) ) { $stylesheets = array( $stylesheets ); } $allowed_themes = get_site_option( 'allowedthemes' ); foreach ( $stylesheets as $stylesheet ) { $allowed_themes[ $stylesheet ] = true; } update_site_option( 'allowedthemes', $allowed_themes ); } /** * Disables a theme for all sites on the current network. * * @since 4.6.0 * * @param string|string[] $stylesheets Stylesheet name or array of stylesheet names. */ public static function network_disable_theme( $stylesheets ) { if ( ! is_multisite() ) { return; } if ( ! is_array( $stylesheets ) ) { $stylesheets = array( $stylesheets ); } $allowed_themes = get_site_option( 'allowedthemes' ); foreach ( $stylesheets as $stylesheet ) { if ( isset( $allowed_themes[ $stylesheet ] ) ) { unset( $allowed_themes[ $stylesheet ] ); } } update_site_option( 'allowedthemes', $allowed_themes ); } /** * Sorts themes by name. * * @since 3.4.0 * * @param WP_Theme[] $themes Array of theme objects to sort (passed by reference). */ public static function sort_by_name( &$themes ) { if ( str_starts_with( get_user_locale(), 'en_' ) ) { uasort( $themes, array( 'WP_Theme', '_name_sort' ) ); } else { foreach ( $themes as $key => $theme ) { $theme->translate_header( 'Name', $theme->headers['Name'] ); } uasort( $themes, array( 'WP_Theme', '_name_sort_i18n' ) ); } } /** * Callback function for usort() to naturally sort themes by name. * * Accesses the Name header directly from the class for maximum speed. * Would choke on HTML but we don't care enough to slow it down with strip_tags(). * * @since 3.4.0 * * @param WP_Theme $a First theme. * @param WP_Theme $b Second theme. * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally. * Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort(). */ private static function _name_sort( $a, $b ) { return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] ); } /** * Callback function for usort() to naturally sort themes by translated name. * * @since 3.4.0 * * @param WP_Theme $a First theme. * @param WP_Theme $b Second theme. * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally. * Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort(). */ private static function _name_sort_i18n( $a, $b ) { return strnatcasecmp( $a->name_translated, $b->name_translated ); } private static function _check_headers_property_has_correct_type( $headers ) { if ( ! is_array( $headers ) ) { return false; } foreach ( $headers as $key => $value ) { if ( ! is_string( $key ) || ! is_string( $value ) ) { return false; } } return true; } }