private static function _pasv()
{
self::_resetError();
self::_printCommand("PASV");
self::_waitForResult();
$lr = self::getLastResult();
if (self::_isError()) {
return false;
}
if ($lr != self::FTP_PASSIVE_MODE) {
return false;
}
$subject = trim(substr(self::$lastLine, 4));
$patch = array();
if (preg_match("/\\((\\d{1,3}),(\\d{1,3}),(\\d{1,3}),(\\d{1,3}),(\\d{1,3}),(\\d{1,3})\\)/", $subject, $patch)) {
self::$pasvAddr = $patch;
$host = sprintf("%d.%d.%d.%d", $patch[1], $patch[2], $patch[3], $patch[4]);
$port = $patch[5] * 256 + $patch[6];
$err_no = 0;
$err_msg = '';
$passiveConnection = @fsockopen($host, $port, $err_no, $err_msg, self::FTP_TIMEOUT);
if ($err_no != 0) {
self::_setError($err_no, $err_msg);
return false;
}
return $passiveConnection;
}
return false;
}
