3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('word1' => 'siteblabla.com', 'word2' => 'blablaetc.com', 'word3' => 'newsite.com'); print_r(array_keys($array));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => word1 [1] => word2 [2] => word3 )