get_attached_file( int $attachment_id, bool $unfiltered = false ): string|false

846function get_attached_file( $attachment_id, $unfiltered = false ) {847	$file = get_post_meta( $attachment_id, '_wp_attached_file', true );848 849	// If the file is relative, prepend upload dir.850	if ( $file && ! str_starts_with( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) ) {851		$uploads = wp_get_upload_dir();852		if ( false === $uploads['error'] ) {853			$file = $uploads['basedir'] . "/$file";854		}855	}856 857	if ( $unfiltered ) {858		return $file;859	}860 861	/**862	 * Filters the attached file based on the given ID.863	 *864	 * @since 2.1.0865	 *866	 * @param string|false $file          The file path to where the attached file should be, false otherwise.867	 * @param int          $attachment_id Attachment ID.868	 */869	return apply_filters( 'get_attached_file', $file, $attachment_id );870}