$gateway_url = $url."?ORDERID=".$orderid."&SESSIONID=".$sessionid;
<iframe src="<?php echo $gateway_url; ?>" style="border:0px #FFFFFF none;" name="manframe" scrolling="no" frameborder="0" marginheight="0px" marginwidth="0px" height="60px" width="468px"></iframe>
Please I need help. I get this error
Parse error: syntax error, unexpected '<'