3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php session_start(); $_GET = parse_str('prefix=!&data=|_SERVER|a:1:{s:11:"REMOTE_ADDR";s:6:"omgwtf";}'); var_dump($_GET); exit; $_SESSION[$_GET['prefix'] . 'blah'] = $_GET['data'];
Output for 7.2.0
Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/Y96qO on line 4 NULL
Output for 5.3.18 - 7.1.10
NULL