3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function is_stringy($var){ return (is_scalar($var) and !is_bool($var)) or (is_object($var) and method_exists($var, '__toString')); } echo is_stringy('wat') ? 'true' : 'false';
based on dkXN7
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
true