3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a($a, $a) { $a = 'blaat'; var_dump(func_get_args()); } a('foo', 'bar');
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, 5.6.8 - 5.6.28
array(2) { [0]=> string(3) "foo" [1]=> string(3) "bar" }
preferences:
270.56 ms | 1397 KiB | 162 Q