mhash
(PHP 4, PHP 5, PHP 7, PHP 8)
mhash — Computes hash
Warning
This function has been DEPRECATED as of PHP 8.1.0. Relying on this function is highly discouraged.
Description
mhash(int
$algo, string $data, ?string $key = null): string|false
mhash() applies a hash function specified by
algo to the data.
Parameters
-
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.
Return Values
Returns the resulting hash (also called digest) or HMAC as a string, or
false on error.
Changelog
| Version | Description |
|---|---|
| 8.1.0 |
This function has been deprecated.
Use the hash_*() functions instead.
|
| 8.0.0 |
key is now nullable.
|
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