openssl_digest
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
openssl_digest — Computes a digest
Beschreibung
$data
, string $digest_algo
, bool $binary
= false
): string|falseComputes a digest hash value for the given data using a given method, and returns a raw or binhex encoded string.
Parameter-Liste
-
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.
Rückgabewerte
Returns the digested hash value on successBei einem Fehler wird false
zurückgegeben..
Fehler/Exceptions
Emits an E_WARNING
level error if an unknown signature algorithm
is passed via the digest_algo
parameter.