3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $bool = false; echo 'is ', var_export($bool, true), ' empty? ', var_export(empty($bool)), "\n"; $str = (string)$bool; echo 'is ', var_export($str, true), ' empty? ', var_export(empty($str)), "\n"; $int = (int)$str; echo 'is ', var_export($int, true), ' empty? ', var_export(empty($int)), "\n";
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
is false empty? true is '' empty? true is 0 empty? true
Output for hhvm-3.10.0 - 3.12.0
is false empty? true1 is '' empty? true1 is 0 empty? true1