hash_algos
(PHP 5 >= 5.1.2, PHP 7, PHP 8, PECL hash >= 1.1)
hash_algos — 返回已註冊的雜湊演算法列表
說明
hash_algos(): array
返回值
返回一個數值索引的陣列， 包含了受支援的雜湊演算法名稱。
更新日誌
| 版本 | 說明 |
|---|---|
| 7.4.0 | 支援 crc32c。 |
| 7.1.0 | 加入 sha512/224，sha512/256，sha3-224，sha3-256，sha3-384 以及 sha3-512 演算法的支援。 |
範例
示例 #1 hash_algos() 例程
在 PHP 7.4.0 中，hash_algos() 會返回下表所示的演算法清單：
<?php
print_r(hash_algos());
?>
以上例程的輸出類似於：
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
)
參見
- hash_hmac_algos() - Return a list of registered hashing algorithms suitable for hash_hmac