3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
root@bt:~# php5 <? echo base64_decode(strrev(pack("H*" , "3d3d516343746d4d6d6c315669563362"))) ?>
Output for 5.4.0 - 7.2.0
root@bt:~# php5 oubWYf2kBq
Output for 4.3.0 - 5.3.29
root@bt:~# php5 <? echo base64_decode(strrev(pack("H*" , "3d3d516343746d4d6d6c315669563362"))) ?>