3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo $str = implode(',',array_unique(explode(',', $str)));
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: str in /in/eqARo on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: str in /in/eqARo on line 2