3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = 'GET|/service/game_world_stats|{"action":"getPlayerCounts","timestamp":"1407262832"}|'; var_dump(hash_hmac('sha512', $data, ''));
Output for 5.1.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(128) "6333c973ae16b2311b7f06edf838705cff2e1336750f69b528f8b80c4606675213ab06b5e7f6be92d2424782ce9c4dd9eb7b0e13cc2573c976dd18fdc458b350"
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/p8SIO on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_hmac() in /in/p8SIO on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/p8SIO on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/p8SIO on line 4