3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = true; $a &= false; var_dump($a);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32, 8.0.0 - 8.0.24, 8.1.0 - 8.1.11
int(0)

preferences:
78.81 ms | 411 KiB | 5 Q