3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = "PHP 5"; $x++; echo $x; $x = "PHP 5"; echo $x + 1;
Output for 7.1.0 - 7.2.6
PHP 6 Warning: A non-numeric value encountered in /in/mcIdl on line 7 1
Output for 4.3.0 - 7.0.20
PHP 61