3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = "PHP 5"; echo $x."\n"; $x++; echo $x."\n"; $x = "PHP 5"; echo $x."\n"; $x = $x+1; echo $x."\n";
based on 5auWo
Output for 7.1.0
PHP 5 PHP 6 PHP 5 Warning: A non-numeric value encountered in /in/cR3PR on line 9 1
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
PHP 5 PHP 6 PHP 5 1