3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new \stdClass(); $diff = $a === $a; var_dump($udiff);
based on W7cU2
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: udiff in /in/IUEMs on line 6 NULL
Output for 5.0.4 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IUEMs on line 4 Notice: Undefined variable: udiff in /in/IUEMs on line 6 NULL
Output for 4.3.0 - 5.0.3
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IUEMs on line 4 Notice: Undefined variable: udiff in /in/IUEMs on line 6 NULL