MysqlCommonConnection::getMaxAllowedPacket

public function getMaxAllowedPacket()
{
	static $mtu;

	if (is_null($mtu))
	{
		$mtu = 0;

		$res = $this->query("SHOW VARIABLES LIKE 'max_allowed_packet'")->fetch();
		if ($res['Variable_name'] == 'max_allowed_packet')
		{
			$mtu = intval($res['Value']);
		}
	}

	return $mtu;
}