<?php
$mac = hash_hmac("sha512","Un message suffisamment long pour tomber dans le cas du calcul du hashmac5uc3m01","7h3_1337_k3y",true);
print(hexbin($mac));
Fatal error: Uncaught Error: Call to undefined function hexbin() in /in/cdFHG:5
Stack trace:
#0 {main}
thrown in /in/cdFHG on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined function hexbin() in /in/cdFHG on line 5
Process exited with code 255.