3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for ($c = 'a'; $c <= 'z'; $c = $c + 1) { echo "$c\n"; }
based on 6qfcf
Output for 7.1.0 - 7.2.0
a Warning: A non-numeric value encountered in /in/ZXUAp on line 3
Output for 5.3.20 - 7.0.20
a