3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 5; function f1 () { global $a; $a = 4; $b = 3; $c = 2; f2(); } function f2 () { global $a, $b, $c; var_dump($a); var_dump($b); var_dump($c); } f1();

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
161.73 ms | 2111 KiB | 10 Q