3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $vars = array("8.78776" => "value"); var_dump($vars);
based on bv2KR
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(1) { ["8.78776"]=> string(5) "value" }
Output for hhvm-3.10.0

Process exited with code 153.