3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function fake_news () { echo 'a'; if (fake_news()) { fake_news(); } }
based on fg2OZ
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0