3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 'PHP 5'; $x++; echo $x; echo "\n"; $x = 'PHP 5'; echo $x + 1;
Output for 7.1.0 - 7.2.11
PHP 6 Warning: A non-numeric value encountered in /in/S9OPL on line 7 1
Output for 4.3.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.0.31
PHP 6 1