3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(array("12345678901234567890" => 'foo'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["12345678901234567890"]=> string(3) "foo" }