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<?php $commands['api_key'] = '789'; $commands['nonce'] = 555; $message = json_encode($commands); print($message); $signature = hash_hmac('sha256', $message, '123'); print($signature);
Output for git.master, git.master_jit, rfc.property-hooks
{"api_key":"789","nonce":555}c0a21fbf41349371c297cc78ddcacc9cb7850a21fe70bcd0b7ce7df7789a3519

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