3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test($a) { echo empty($a) ? '1' : '0'; } test(false); test(true); test( array() );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
101