3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class = new \StdClass; $class->a = "testing 1, 2, 3!"; print $class->a;
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.5 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
testing 1, 2, 3!
preferences:
56.89 ms | 1694 KiB | 4 Q