3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(hash_hmac('sha512', 'POST|/service/socket_server|{"action":"get_blacklist","timestamp":1407977531}|[]', ''));
based on DPGlr
Output for 5.1.2 - 7.1.0
string(128) "c4884545cf0be08c1b8e37ca9aad7c825007cf113cdd904ba753bece7231691939bcf66a8fb481a7df3e642b19569bbdd7e1db3b5f40ec00e1493e0c31c03087"
Output for 5.0.0 - 5.1.1
Fatal error: Call to undefined function hash_hmac() in /in/FNrrY on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_hmac() in /in/FNrrY on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hash_hmac() in /in/FNrrY on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_hmac() in /in/FNrrY on line 3