3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($arg1 = 'arg1', $arg2 = 'arg2') { echo "arg1 = " . $arg1 . " arg2 = " . $arg2; } test(null, $arg2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $arg2 in /in/S4sfh on line 6 arg1 = arg2 =
Output for 5.0.4 - 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, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: arg2 in /in/S4sfh on line 6 arg1 = arg2 =
Output for 7.3.32 - 7.3.33
arg1 = arg2 =
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: arg2 in /in/S4sfh on line 6 arg1 = arg2 =
preferences:
247.29 ms | 402 KiB | 310 Q