3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $var = 'abcdefg'; $str = substr($var, 0, count($var) - 2);
Output for 7.2.0 - 7.3.0rc3
Warning: count(): Parameter must be an array or an object that implements Countable in /in/L4Gcv on line 5
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.1.20