3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php foreach (array(1, 2, 3) as $n => $e) { print_r(array($n, $e)); } while (list($n, $e) = each (array(1, 2, 3))) { print_r(array($n, $e)); }
Output for 5.3.0 - 5.4.14
Fatal error: Only variables can be passed by reference in /in/jcgYT on line 8
Process exited with code 255.