3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { return [null, null]; } var_dump(list($a, $b) = foo()); var_dump((bool)[null, null]);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(2) { [0]=> NULL [1]=> NULL } bool(true)
preferences:
91.32 ms | 407 KiB | 5 Q