mhash
(PHP 4, PHP 5, PHP 7, PHP 8)
mhash — Computes hash
警告
此函式自 PHP 8.1.0 起棄用。強烈建議不要應用此特性。
說明
mhash(int
$algo, string $data, ?string $key = null): string|false
mhash() applies a hash function specified by
algo to the data.
參數
-
algo -
The hash ID. One of the
MHASH_hashnameconstants. -
data -
The user input, as a string.
-
key -
If specified, the function will return the resulting HMAC instead. HMAC is keyed hashing for message authentication, or simply a message digest that depends on the specified key. Not all algorithms supported in mhash can be used in HMAC mode.
返回值
Returns the resulting hash (also called digest) or HMAC as a string, or
false on error.
更新日誌
| 版本 | 說明 |
|---|---|
| 8.1.0 |
This function has been deprecated.
Use the hash_*() functions instead.
|
| 8.0.0 |
key is now nullable.
|