3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo unpack('H*', base64_decode('ytngV/Q5imHQKs+/deg6Ym7hm9x1dFB6Rkhrbjd2NXY='));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/WJKSI on line 2 Array
Output for 4.3.0 - 4.3.9, 4.3.11 - 5.0.2, 5.0.5 - 5.3.29
Array
Output for 4.3.10, 5.0.3 - 5.0.4
Warning: unpack(): Type H: outside of string in /in/WJKSI on line 2 Array