3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $v = '%F0%80%80%A7'; echo $v.": ".utf8_decode($v); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
%F0%80%80%A7: %F0%80%80%A7