hash_algos() – Returns List of Registered Hash Algorithms in PHP

The hash_algos() function in PHP returns an indexed array containing the names of all supported hash algorithms.

Return value: An array of strings, each representing a hash algorithm such as md5, sha1, crc32, etc.

Example usage:

<?php
    print_r(hash_algos());
?>

Sample output:

Array
(
    [0] => md2
    [1] => md4
    [2] => md5
    [3] => sha1
    [4] => sha224
    [5] => sha256
    [6] => sha384
    [7] => sha512
    [8] => ripemd128
    [9] => ripemd160
    ...
)