3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function test($arg1 = 'arg1', $arg2 = 'arg2') { echo "arg1 = " . $arg1 . " arg2 = " . $arg2; } test(null, $arg2);
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: arg2 in /in/S4sfh on line 6 arg1 = arg2 =
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: arg2 in /in/S4sfh on line 6 arg1 = arg2 =