3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $tess=count_chars( "1AAABBCCCDDDDDDD", 1); echo $tess;
Output for 5.4.18 - 7.2.0
Notice: Array to string conversion in /in/FK9Yt on line 3 Array
Output for 5.4.0 - 5.4.17
Notice: Array to string conversion in /in/0eZBq on line 3 Array
Output for 4.3.0 - 5.3.29
Array