3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ar = array(); for ($i=0;$i<10000;$i++) { $ar[] = md5($i) . str_repeat($i,20) . microtime(); }
based on nhFMH
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0