3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = '0'; if(is_numeric($a) === false) { $a = false; } var_dump($a); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(1) "0"
Output for hhvm-3.10.0

Process exited with code 153.