3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a = FALSE; $b = TRUE; $c = FALSE; var_dump($a); $a |= !empty($b) || !empty($c); var_dump($a);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false) int(1)
preferences:
101.49 ms | 1476 KiB | 4 Q