3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump( NULL, count(NULL) );
Output for 7.2.0 - 7.2.8
Warning: count(): Parameter must be an array or an object that implements Countable in /in/hdlJn on line 3 NULL int(0)
Output for 4.3.0 - 7.1.20
NULL int(0)