3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; var_dump($a === "");
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false)
preferences:
43.5 ms | 702 KiB | 5 Q