WP_Translation_Controller

15final class WP_Translation_Controller {16	/**17	 * Current locale.18	 *19	 * @since 6.5.020	 * @var string21	 */22	protected $current_locale = 'en_US';23 24	/**25	 * Map of loaded translations per locale and text domain.26	 *27	 * [ Locale => [ Textdomain => [ ..., ... ] ] ]28	 *29	 * @since 6.5.030	 * @var array<string, array<string, WP_Translation_File[]>>31	 */32	protected $loaded_translations = array();33 34	/**35	 * List of loaded translation files.36	 *37	 * [ Filename => [ Locale => [ Textdomain => WP_Translation_File ] ] ]38	 *39	 * @since 6.5.040	 * @var array<string, array<string, array<string, WP_Translation_File|false>>>41	 */42	protected $loaded_files = array();43 44	/**45	 * Container for the main instance of the class.46	 *47	 * @since 6.5.048	 * @var WP_Translation_Controller|null49	 */50	private static $instance = null;51 52	/**53	 * Utility method to retrieve the main instance of the class.54	 *55	 * The instance will be created if it does not exist yet.56	 *57	 * @since 6.5.058	 *59	 * @return WP_Translation_Controller60	 */61	public static function get_instance(): WP_Translation_Controller {62		if ( null === self::$instance ) {63			self::$instance = new self();64		}65 66		return self::$instance;67	}68 69	/**70	 * Returns the current locale.71	 *72	 * @since 6.5.073	 *74	 * @return string Locale.75	 */76	public function get_locale(): string {77		return $this->current_locale;78	}79 80	/**81	 * Sets the current locale.82	 *83	 * @since 6.5.084	 *85	 * @param string $locale Locale.86	 */87	public function set_locale( string $locale ) {88		$this->current_locale = $locale;89	}90 91	/**92	 * Loads a translation file for a given text domain.93	 *94	 * @since 6.5.0