3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for ($i = 1; $i < 21; $i++) print $i . "\n";
Output for 4.3.0 - 7.2.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20