3v4l.org

run code in 300+ PHP versions simultaneously
<?php static $a; $a++; var_dump($a);
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.17, 8.5.0 - 8.5.2
int(1)
preferences:
71.6 ms | 406 KiB | 5 Q