3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a, $a, $a) { print_r(func_get_args()); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
preferences:
270.93 ms | 1401 KiB | 163 Q