3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { const test = 'A'; } $test = new test(); $a = $test::test; ?>
Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
preferences:
152.83 ms | 404 KiB | 188 Q