(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL hash >= 1.1)
hash_algos — 返回已注册的散列算法列表
此函数没有参数。
返回一个数值索引的数组， 包含了受支持的散列算法名称。
| 版本 | 说明 |
|---|---|
| 8.1.0 | 新增对 MurmurHash3 和 xxHash 算法的支持。 |
| 7.4.0 | 支持 crc32c。 |
| 7.1.0 | 加入 sha512/224，sha512/256，sha3-224，sha3-256，sha3-384 以及 sha3-512 算法的支持。 |
示例 #1 hash_algos() 示例
在 PHP 8.1.0 中，hash_algos() 会返回下表所示的算法清单：
<?php
print_r(hash_algos());
?>以上示例的输出类似于：
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] => murmur3a [39] => murmur3c [40] => murmur3f [41] => xxh32 [42] => xxh64 [43] => xxh3 [44] => xxh128 [45] => haval128,3 [46] => haval160,3 [47] => haval192,3 [48] => haval224,3 [49] => haval256,3 [50] => haval128,4 [51] => haval160,4 [52] => haval192,4 [53] => haval224,4 [54] => haval256,4 [55] => haval128,5 [56] => haval160,5 [57] => haval192,5 [58] => haval224,5 [59] => haval256,5 )