PHP hash_hmac_algos()用法及代码示例

hash_hmac_algos()函数是PHP中的一个内置函数，用于获取适用于hash_hmac()函数的已注册哈希算法列表。

用法:

array hash_hmac_algos( void )

参数：该函数不接受任何参数。

返回值：此函数返回一个包含受支持的哈希算法列表的数组。

以下示例程序旨在说明PHP中的hash_hmac_algos()函数：

程序：

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

输出：

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
)

参考： http://php.net/manual/en/function.hash-hmac-algos.php