3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = 'abcd123ABCD00-4000'; $signature = hash_hmac("sha256", $s, false); print $signature;
Output for 5.1.2 - 7.1.0
9fa6da39547b8ce4b2f92d9a13569f69cb5a3a2d638356b8524c5996839b7ec9
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/eK7Pf 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/eK7Pf 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/eK7Pf 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/eK7Pf on line 4