openssl_digest
Computes a digest
Description
stringfalse openssl_digest(string $data
, string $digest_algo
, bool $binary
= false
)
Parameters
-
data
-
The data.
-
digest_algo
-
The digest method to use, e.g. "sha256", see openssl_get_md_methods for a list of available digest methods.
-
binary
-
Setting to true
will return as raw output data, otherwise the return
value is binhex encoded.
Return Values
Returns the digested hash value on success or false
on failure.
Errors/Exceptions
Emits an E_WARNING
level error if an unknown signature algorithm
is passed via the digest_algo
parameter.