3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (!in_array(0, null)) { echo "foo"; }
based on cFlLQ
Output for 5.3.0 - 7.1.0
Warning: in_array() expects parameter 2 to be array, null given in /in/r6bm6 on line 3 foo
Output for 4.3.2 - 5.2.17
Warning: in_array(): Wrong datatype for second argument in /in/r6bm6 on line 3 foo
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/r6bm6 on line 3 foo