(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL hash >= 1.1)
hash_algos — Return a list of registered hashing algorithms
This function has no parameters.
Returns a numerically indexed array containing the list of supported hashing algorithms.
| Version | Description |
|---|---|
| 7.4.0 | Support for crc32c has been added. |
| 7.1.0 | Support for sha512/224, sha512/256, sha3-224, sha3-256, sha3-384 and sha3-512 has been added. |
Example #1 hash_algos() example
As of PHP 7.4.0, hash_algos() will return the following list of algorithm names.
<?php
print_r(hash_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] => adler32
[30] => crc32
[31] => crc32b
[32] => crc32c
[33] => fnv132
[34] => fnv1a32
[35] => fnv164
[36] => fnv1a64
[37] => joaat
[38] => haval128,3
[39] => haval160,3
[40] => haval192,3
[41] => haval224,3
[42] => haval256,3
[43] => haval128,4
[44] => haval160,4
[45] => haval192,4
[46] => haval224,4
[47] => haval256,4
[48] => haval128,5
[49] => haval160,5
[50] => haval192,5
[51] => haval224,5
[52] => haval256,5
)