3v4l.org

run code in 300+ PHP versions simultaneously
<?php phpversion() >= "7.0.1" or die(); echo 'foo' == 0;
Output for 7.0.1 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
1
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0
preferences:
77.95 ms | 402 KiB | 62 Q