3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php //Source: https://bugs.php.net/bug.php?id=62437 function output($buffer) { global $object; return $buffer . $_COOKIES['supercookie']; } $_COOKIE['supercokie'] = 'erwere'; ob_start('output'); $object = 'tertert'; echo "foo ";
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
foo
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: _COOKIES in /in/iIojv on line 6 foo