- substr: documentation ( source)
- trim: documentation ( source)
<?php
$user = "admin";
$password = "43cc1406555a57043b2730e6fda3a9e41";
$userInfo = "43cc1406555a57043b2730e6fda3a9e41admin";
echo "AA";
echo trim(substr($userInfo,33)) == $user;
echo "BB";
echo substr($userInfo,0,32) == $password;