3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $filter = null; if( !empty($filter['online']) or in_array('online', $filter['interest']) ) { echo('a'); }
Output for 5.3.0 - 7.2.0
Warning: in_array() expects parameter 2 to be array, null given in /in/K8SM6 on line 5
Output for 4.3.2 - 5.2.17
Warning: in_array(): Wrong datatype for second argument in /in/K8SM6 on line 5
Output for 4.3.0 - 4.3.1
Warning: in_array() [http://www.php.net/function.in-array]: Wrong datatype for second argument in /in/K8SM6 on line 5