/**
* @param $cmd
* @param bool $pty
* @param null $env
* @return string
* @throws RemoteShellCommandException
*/
public function exec($cmd, $pty = FALSE, $env = NULL)
{
$result = ssh2_exec($this->connection->getConnection(), $cmd, $pty, $env);
$errorStream = ssh2_fetch_stream($result, SSH2_STREAM_STDERR);
stream_set_blocking($errorStream, TRUE);
stream_set_blocking($result, TRUE);
$error = stream_get_contents($errorStream);
if (!empty($error)) {
throw new RemoteShellCommandException($error);
}
return stream_get_contents($result);
}
/**
* @return resource
*/
protected function getSftpResource()
{
if (!$this->sftp) {
$this->sftp = ssh2_sftp($this->connection->getConnection());
}
return $this->sftp;
}
