Warning: call_user_func() expects parameter 1 to be a valid callback, function 'prefix_<script>alert(1)</script>' not found or invalid function name in /in/WX4rI on line 2
Warning: call_user_func(prefix_<script>alert(1)</script>): First argument is expected to be a valid callback in /in/WX4rI on line 2
Output for 4.3.0 - 4.3.1
Warning: call_user_func(prefix_<script>alert(1)</script>) [http://www.php.net/function.call-user-func]: First argument is expected to be a valid callback in /in/WX4rI on line 2