Fatal error: Uncaught Error: Undefined constant "PHP_SELF" in /in/0NU4v:3
Stack trace:
#0 {main}
thrown in /in/0NU4v on line 3
Process exited with code 255.
Warning: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' (this will throw an Error in a future version of PHP) in /in/0NU4v on line 3
string(8) "PHP_SELF"