all[ $domain ][ $locale ] ) ) { return $this->all[ $domain ][ $locale ]; } return $this->get_path_from_lang_dir( $domain, $locale ); } /** * Determines whether any MO file paths are available for the domain. * * This is the case if a path has been set for the current locale, * or if there is no information stored yet, in which case * {@see _load_textdomain_just_in_time()} will fetch the information first. * * @since 6.1.0 * * @param string $domain Text domain. * @return bool Whether any MO file paths are available for the domain. */ public function has( $domain ) { return ( ! empty( $this->current[ $domain ] ) || empty( $this->all[ $domain ] ) || in_array( $domain, $this->domains_with_translations, true ) ); } /** * Sets the language directory path for a specific domain and locale. * * Also sets the 'current' property for direct access * to the path for the current (most recent) locale. * * @since 6.1.0 * * @param string $domain Text domain. * @param string $locale Locale. * @param string|false $path Language directory path or false if there is none available. */ public function set( $domain, $locale, $path ) { $this->all[ $domain ][ $locale ] = $path ? rtrim( $path, '/' ) . '/' : false; $this->current[ $domain ] = $this->all[ $domain ][ $locale ]; } /** * Sets the custom path to the plugin's/theme's languages directory. * * Used by {@see load_plugin_textdomain()} and {@see load_theme_textdomain()}. * * @since 6.1.0 * * @param string $domain Text domain. * @param string $path Language directory path. */ public function set_custom_path( $domain, $path ) { $this->custom_paths[ $domain ] = rtrim( $path, '/' ); } /** * Returns possible language directory paths for a given text domain. * * @since 6.2.0 * * @param string $domain Text domain. * @return string[] Array of language directory paths. */ private function get_paths_for_domain( $domain ) { $locations = array( WP_LANG_DIR . '/plugins', WP_LANG_DIR . '/themes', ); if ( isset( $this->custom_paths[ $domain ] ) ) { $locations[] = $this->custom_paths[ $domain ]; } return $locations; } /** * Gets the path to the language directory for the current locale. * * Checks the plugins and themes language directories as well as any * custom directory set via {@see load_plugin_textdomain()} or {@see load_theme_textdomain()}. * * @since 6.1.0 * * @see _get_path_to_translation_from_lang_dir() * * @param string $domain Text domain. * @param string $locale Locale. * @return string|false Language directory path or false if there is none available. */ private function get_path_from_lang_dir( $domain, $locale ) { $locations = $this->get_paths_for_domain( $domain ); $found_location = false; foreach ( $locations as $location ) { if ( ! isset( $this->cached_mo_files[ $location ] ) ) { $this->set_cached_mo_files( $location ); } $path = "$location/$domain-$locale.mo"; foreach ( $this->cached_mo_files[ $location ] as $mo_path ) { if ( ! in_array( $domain, $this->domains_with_translations, true ) && str_starts_with( str_replace( "$location/", '', $mo_path ), "$domain-" ) ) { $this->domains_with_translations[] = $domain; } if ( $mo_path === $path ) { $found_location = rtrim( $location, '/' ) . '/'; } } } if ( $found_location ) { $this->set( $domain, $locale, $found_location ); return $found_location; } // If no path is found for the given locale and a custom path has been set // using load_plugin_textdomain/load_theme_textdomain, use that one. if ( 'en_US' !== $locale && isset( $this->custom_paths[ $domain ] ) ) { $fallback_location = rtrim( $this->custom_paths[ $domain ], '/' ) . '/'; $this->set( $domain, $locale, $fallback_location ); return $fallback_location; } $this->set( $domain, $locale, false ); return false; } /** * Reads and caches all available MO files from a given directory. * * @since 6.1.0 * * @param string $path Language directory path. */ private function set_cached_mo_files( $path ) { $this->cached_mo_files[ $path ] = array(); $mo_files = glob( $path . '/*.mo' ); if ( $mo_files ) { $this->cached_mo_files[ $path ] = $mo_files; } } }