3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $prod = '1'; for ($i=1; $i<=1000; $i++) $prod += $i; echo strlen($prod);
based on llUof
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.6
6