mhash

(PHP 4, PHP 5, PHP 7)

mhashComputes hash

Descrierea

mhash ( int $algo , string $data , string|null $key = null ) : string|false

mhash() applies a hash function specified by algo to the data.

Parametri

algo

The hash ID. One of the MHASH_hashname constants.

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.

Valorile întoarse

Returns the resulting hash (also called digest) or HMAC as a string, or false on error.

Istoricul schimbărilor

Versiune Descriere
8.0.0 key is now nullable.