/**
* Connect to ftp server
*
* @return bool
* @author Dmitry (dio) Levashov
*/
public function connect()
{
static $connected = false;
if ($connected) {
return true;
}
if (!($this->connect = ftp_connect($this->options['host'], $this->options['port'], $this->options['timeout']))) {
return $this->setError('Unable to connect to FTP server ' . $this->options['host']);
}
if (!ftp_login($this->connect, $this->options['user'], $this->options['pass'])) {
$this->umount();
return $this->setError('Unable to login into ' . $this->options['host']);
}
// switch off extended passive mode - may be usefull for some servers
@ftp_exec($this->connect, 'epsv4 off');
// enter passive mode if required
ftp_pasv($this->connect, $this->options['mode'] == 'passive');
// enter root folder
if (!ftp_chdir($this->connect, $this->root) || $this->root != ftp_pwd($this->connect)) {
$this->umount();
return $this->setError('Unable to open root folder.');
}
$connected = parent::connect();
return $connected;
}
