3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(is_callable('gibts nicht')); var_dump(is_callable(array())); var_dump(is_callable(array('foo', 'bar', 42)));
Output for 4.3.0 - 7.3.1
bool(false) bool(false) bool(false)