(PHP 5 >= 5.1.2, PHP 7, PECL hash >= 1.1)
Generate a keyed hash value using the HMAC method
string hash_hmac ( string $algo, string $data, string $key [, bool $raw_output = false ] )
Parameters:
algo
Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..) See hash_algos() for a list of supported algorithms.
data