3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump($var === null, is_null($var), isset($var), null === $var, false === $var, empty($var));
based on 4OTTj
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: var in /in/BvRDa on line 3 Notice: Undefined variable: var in /in/BvRDa on line 3 Notice: Undefined variable: var in /in/BvRDa on line 3 Notice: Undefined variable: var in /in/BvRDa on line 3 bool(true) bool(true) bool(false) bool(true) bool(false) bool(true)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: var in /in/BvRDa on line 3 Notice: Undefined variable: var in /in/BvRDa on line 3 Notice: Undefined variable: var in /in/BvRDa on line 3 Notice: Undefined variable: var in /in/BvRDa on line 3 bool(true) bool(true) bool(false) bool(true) bool(false) bool(true)