3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = 'abcd123ABCD00-4000'; $signature = base64_encode(hash_hmac("sha256", $s, false)); print $signature;
Output for 5.1.2 - 7.1.0
OWZhNmRhMzk1NDdiOGNlNGIyZjkyZDlhMTM1NjlmNjljYjVhM2EyZDYzODM1NmI4NTI0YzU5OTY4MzliN2VjOQ==
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/vV6qG 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/vV6qG 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/vV6qG 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/vV6qG on line 4