3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a[] = 42;
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
preferences:
120.03 ms | 402 KiB | 120 Q