while($response = $sock->peek())
{
	if ($response ne '')
	{	
		#verify the data
		print "Server Response: $response\n";
		
		$response = (string2hex($response));
		print "Server Response: $response\n";
		last;
	}
	else
	{
		sleep 1;
		print "Waiting for a response!\n";
	}
}