Curl in php

Question

How can I run below in php?

http://smspanel.Trez.ir/SendMessageWithUrl.ashx?Username=hidden&Password=hidden&PhoneNumber=×××××××&MessageBody=readbelow&RecNumber=readbelow&Smsclass=1

recnumber is in "array($user_meta['mobile'][0])"
and message body is "The activation code is :"
$_SESSION['user_code']

Answer 1

nobody knows?