hash_hmac_algos
(PHP 7 >= 7.2.0)
hash_hmac_algos — Return a list of registered hashing algorithms suitable for hash_hmac
Description
Return Values
Returns a numerically indexed array containing the list of supported hashing algorithms suitable for hash_hmac().
Examples
Example #1 hash_hmac_algos() example
<?php
print_r(hash_hmac_algos());
The above example will output something similar to:
Array
(
[0] => md2
[1] => md4
[2] => md5
[3] => sha1
[4] => sha224
[5] => sha256
[6] => sha384
[7] => sha512/224
[8] => sha512/256
[9] => sha512
[10] => sha3-224
[11] => sha3-256
[12] => sha3-384
[13] => sha3-512
[14] => ripemd128
[15] => ripemd160
[16] => ripemd256
[17] => ripemd320
[18] => whirlpool
[19] => tiger128,3
[20] => tiger160,3
[21] => tiger192,3
[22] => tiger128,4
[23] => tiger160,4
[24] => tiger192,4
[25] => snefru
[26] => snefru256
[27] => gost
[28] => gost-crypto
[29] => haval128,3
[30] => haval160,3
[31] => haval192,3
[32] => haval224,3
[33] => haval256,3
[34] => haval128,4
[35] => haval160,4
[36] => haval192,4
[37] => haval224,4
[38] => haval256,4
[39] => haval128,5
[40] => haval160,5
[41] => haval192,5
[42] => haval224,5
[43] => haval256,5
)
Notes
Note:
Before PHP 7.2.0 the only means to get a list of supported hash algorithms has been to call hash_algos() which also returns hash algorithms that are not suitable for hash_hmac().
See Also
- hash_hmac() - Generate a keyed hash value using the HMAC method
- hash_algos() - Return a list of registered hashing algorithms
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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