3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(in_array('foo', null));
Output for 5.3.0 - 7.1.10
Warning: in_array() expects parameter 2 to be array, null given in /in/8IYi7 on line 3 NULL
Output for 4.3.2 - 5.2.17
Warning: in_array(): Wrong datatype for second argument in /in/8IYi7 on line 3 bool(false)
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/8IYi7 on line 3 bool(false)