3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(): int { srand(0); $bar = rand(0, 1023); var_dump($bar); return $bar; } var_dump(foo() === foo());
Output for 8.0.1 - 8.0.27, 8.1.0 - 8.1.14, 8.2.0 - 8.2.1
int(684) int(684) bool(true)

preferences:
79.97 ms | 402 KiB | 48 Q