3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $s=array(1); echo strlen($s);
based on QPfRS
Output for 5.3.0 - 7.2.0
Warning: strlen() expects parameter 1 to be string, array given in /in/DLEcs on line 3
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/DLEcs on line 3 5