3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($bar) { var_dump($bar); static $bar = 0; $bar++; var_dump($bar); } foo(42); foo(24);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(42) int(1) int(24) int(2)
preferences:
100.74 ms | 402 KiB | 89 Q