3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (isset($i1)){ print "\$i1 is assigned a value"; } else { print "\$i1 does not exist or has no value assigned to"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
$i1 does not exist or has no value assigned to