3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $modules = array('module1', 'module2'); $mod = array_flip($modules); foreach($mod as $key => $val) { if (!isset($mod[$key])) { echo 'continue'; continue; } }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0