3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $params = array('search'=>'5'); $nonexistentElement = $params['search']['filter']; echo $nonexistentElement;
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset 'filter' in /in/OtTXp on line 4 5
Output for 5.2.15 - 5.3.29, hhvm-3.10.0 - 3.12.0
5