3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (false === $value || (empty($value) && '0' != $value)) { echo 'user input is blank'; }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: value in /in/kocgQ on line 2 Notice: Undefined variable: value in /in/kocgQ on line 2 user input is blank
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: value in /in/kocgQ on line 2 Notice: Undefined variable: value in /in/kocgQ on line 2 user input is blank