3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(base64_decode('bmV2ZXIgaGFyZGNvZGUgdXNlcm5hbWVzISE6bmV2ZXIgaGFyZGNvZGUgcGFzc3dvcmRzISE='));
Output for 4.3.0 - 7.1.7
string(53) "never hardcode usernames!!:never hardcode passwords!!"