mhash
(PHP 4, PHP 5)
mhash — Computes hash
Description
string mhash
( int
$hash
, string $data
[, string $key
] )
mhash() applies a hash function specified by
hash to the data.
Parameters
-
hash -
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.
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