3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php is_null(10,10,10);
Output for 5.3.0 - 7.1.0
Warning: is_null() expects exactly 1 parameter, 3 given in /in/hh7hR on line 3
Output for 4.3.2 - 5.2.17
Warning: is_null(): Only one argument expected in /in/hh7hR on line 3
Output for 4.3.0 - 4.3.1
Warning: is_null() [http://www.php.net/function.is-null]: Only one argument expected in /in/hh7hR on line 3