3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = 'this is a string'; // Test 1 if (isset($string['check'][0])) { echo 'found'; } else { echo 'not found'; }
Output for 4.3.0 - 5.3.29, 7.0.0 - 7.1.0
not found
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
found