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<?php $s = 'abcd123ABCD00-4000'; $signature = base64_encode(hash_hmac("sha256", $s)); print $signature;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: hash_hmac() expects at least 3 arguments, 2 given in /in/QZWHg:4 Stack trace: #0 /in/QZWHg(4): hash_hmac('sha256', 'abcd123ABCD00-4...') #1 {main} thrown in /in/QZWHg on line 4
Process exited with code 255.

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