get_file_description( string $file ): string

80function get_file_description( $file ) {81	global $wp_file_descriptions, $allowed_files;82 83	$dirname   = pathinfo( $file, PATHINFO_DIRNAME );84	$file_path = $allowed_files[ $file ];85 86	if ( isset( $wp_file_descriptions[ basename( $file ) ] ) && '.' === $dirname ) {87		return $wp_file_descriptions[ basename( $file ) ];88	} elseif ( file_exists( $file_path ) && is_file( $file_path ) ) {89		$template_data = implode( '', file( $file_path ) );90 91		if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name ) ) {92			/* translators: %s: Template name. */93			return sprintf( __( '%s Page Template' ), _cleanup_header_comment( $name[1] ) );94		}95	}96 97	return trim( basename( $file ) );98}