3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = 'test'; echo $str[3];
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: str in /in/MDB1v on line 4
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: str in /in/MDB1v on line 4