3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for($i = 0; $i < 1000; $i++) { list($s1, $s2) = explode(' ', microtime()); date('YmdHis').(float)sprintf('%.0f', (floatval($s1) + floatval($s2)) * 1000); }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0