mhash
(PHP 4, PHP 5)
mhash — Compute hash
Description
string mhash
( int $hash
, string $data
[, string $key
] )
Parameters
-
hash
-
The hash id. One of the MHASH_XXX 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.
Return Values
Returns the resulting hash (also called digest) or HMAC as a string, or
FALSE on errors.
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