WP_Font_Library

17class WP_Font_Library {18 19	/**20	 * Font collections.21	 *22	 * @since 6.5.023	 * @var array24	 */25	private $collections = array();26 27	/**28	 * Container for the main instance of the class.29	 *30	 * @since 6.5.031	 * @var WP_Font_Library|null32	 */33	private static $instance = null;34 35	/**36	 * Register a new font collection.37	 *38	 * @since 6.5.039	 *40	 * @param string $slug Font collection slug. May only contain alphanumeric characters, dashes,41	 *                     and underscores. See sanitize_title().42	 * @param array  $args Font collection data. See wp_register_font_collection() for information on accepted arguments.43	 * @return WP_Font_Collection|WP_Error A font collection if it was registered successfully,44	 *                                     or WP_Error object on failure.45	 */46	public function register_font_collection( string $slug, array $args ) {47		$new_collection = new WP_Font_Collection( $slug, $args );48 49		if ( $this->is_collection_registered( $new_collection->slug ) ) {50			$error_message = sprintf(51				/* translators: %s: Font collection slug. */52				__( 'Font collection with slug: "%s" is already registered.' ),53				$new_collection->slug54			);55			_doing_it_wrong(56				__METHOD__,57				$error_message,58				'6.5.0'59			);60			return new WP_Error( 'font_collection_registration_error', $error_message );61		}62		$this->collections[ $new_collection->slug ] = $new_collection;63		return $new_collection;64	}65 66	/**67	 * Unregisters a previously registered font collection.68	 *69	 * @since 6.5.070	 *71	 * @param string $slug Font collection slug.72	 * @return bool True if the font collection was unregistered successfully and false otherwise.73	 */74	public function unregister_font_collection( string $slug ) {75		if ( ! $this->is_collection_registered( $slug ) ) {76			_doing_it_wrong(77				__METHOD__,78				/* translators: %s: Font collection slug. */79				sprintf( __( 'Font collection "%s" not found.' ), $slug ),80				'6.5.0'81			);82			return false;83		}84		unset( $this->collections[ $slug ] );85		return true;86	}87 88	/**89	 * Checks if a font collection is registered.90	 *91	 * @since 6.5.092	 *93	 * @param string $slug Font collection slug.94	 * @return bool True if the font collection is registered and false otherwise.95	 */96	private function is_collection_registered( string $slug ) {