Hash Functions
hash_copy
Hash Functions
PHP Manual

# hash_algos

Return a list of registered hashing algorithms

### Description

array hash_algos ( void )

### Return Values

Returns a numerically indexed array containing the list of supported hashing algorithms.

### Changelog

Version | Description
--- | ---
5.4.0 | Support for joaat, fnv132 and fnv164 was added. Support for Salsa10 and Salsa20 was removed.
5.3.0 | Support for md2, ripemd256, ripemd320, salsa10, salsa20, snefru256 and sha224 was added

### Examples

Example #1 hash_algos example

As of PHP 5.3.0, 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
        [8] => ripemd128
        [9] => ripemd160
        [10] => ripemd256
        [11] => ripemd320
        [12] => whirlpool
        [13] => tiger128,3
        [14] => tiger160,3
        [15] => tiger192,3
        [16] => tiger128,4
        [17] => tiger160,4
        [18] => tiger192,4
        [19] => snefru
        [20] => snefru256
        [21] => gost
        [22] => adler32
        [23] => crc32
        [24] => crc32b
        [25] => salsa10
        [26] => salsa20
        [27] => haval128,3
        [28] => haval160,3
        [29] => haval192,3
        [30] => haval224,3
        [31] => haval256,3
        [32] => haval128,4
        [33] => haval160,4
        [34] => haval192,4
        [35] => haval224,4
        [36] => haval256,4
        [37] => haval128,5
        [38] => haval160,5
        [39] => haval192,5
        [40] => haval224,5
        [41] => haval256,5
    )