WP_Filesystem_ftpsockets::exists( string $path ): bool

429	public function exists( $path ) {430		/*431		 * Check for empty path. If ftp::nlist() receives an empty path,432		 * it checks the current working directory and may return true.433		 *434		 * See https://core.trac.wordpress.org/ticket/33058.435		 */436		if ( '' === $path ) {437			return false;438		}439 440		$list = $this->ftp->nlist( $path );441 442		if ( empty( $list ) && $this->is_dir( $path ) ) {443			return true; // File is an empty directory.444		}445 446		return ! empty( $list ); // Empty list = no file, so invert.447		// Return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server.448	}