3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a="d"; $b = $a; $b++; $b++; $b++; $b++; $b++; echo $a + 5; echo '<br>'; echo $b;
based on WlGIF
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/flMNP on line 9 5<br>i
Output for 4.3.0 - 7.0.20
5<br>i