3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $params = array('ciao' => 'ok', 'x' => 'f3ii'); $params[0] = 'all'; if (isset($params[0]) && $params[0] == 'all') { echo 'ok'; } else { echo 'nok'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
ok