3v4l.org

run code in 300+ PHP versions simultaneously
<?php date_default_timezone_set('Europe/Berlin'); # timezone with DST echo mktime(0, 0, 0, 10, 28, 2014), "\n"; #1414450800 for PHP versions 5.1.0 - 5.5.8 echo mktime(0, 0, 0, 10, 14, 2014), "\n";

preferences:
46.46 ms | 402 KiB | 5 Q