3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(); print serialize($a) . '\n'; print serialize(base64_encode(serialize($a)));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
a:0:{}\ns:8:"YTowOnt9";