3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php /* * Superglobals as local variables?! (or better read-only) */ function test($name, $_COOKIE = NULL) { var_dump($_COOKIE); } test('word'); print_r($_COOKIE);
Output for 5.4.0 - 5.4.15
Fatal error: Cannot re-assign auto-global variable _COOKIE in /in/7tVuF on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.29
NULL