WP_Filesystem_FTPext::dirlist( string $path = '.', bool $include_hidden = true, bool $recursive = false )

	public function dirlist($path = '.', $include_hidden = true, $recursive = false) {
		if ( $this->is_file($path) ) {
			$limit_file = basename($path);
			$path = dirname($path) . '/';
		} else {
			$limit_file = false;
		}

		$pwd = @ftp_pwd($this->link);
		if ( ! @ftp_chdir($this->link, $path) ) // Cant change to folder = folder doesn't exist
			return false;
		$list = @ftp_rawlist($this->link, '-a', false);
		@ftp_chdir($this->link, $pwd);

		if ( empty($list) ) // Empty array = non-existent folder (real folder will show . at least)
			return false;

		$dirlist = array();
		foreach ( $list as $k => $v ) {
			$entry = $this->parselisting($v);
			if ( empty($entry) )
				continue;

			if ( '.' == $entry['name'] || '..' == $entry['name'] )
				continue;

			if ( ! $include_hidden && '.' == $entry['name'][0] )
				continue;

			if ( $limit_file && $entry['name'] != $limit_file)
				continue;

			$dirlist[ $entry['name'] ] = $entry;
		}

		$ret = array();
		foreach ( (array)$dirlist as $struc ) {
			if ( 'd' == $struc['type'] ) {
				if ( $recursive )
					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
				else
					$struc['files'] = array();
			}

			$ret[ $struc['name'] ] = $struc;
		}
		return $ret;
	}