(PHP 5 >= 5.3.0, PHP 7, PHP 8)
openssl_digest — Computes a digest
$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.
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.
Returns the digested hash value on success or false
on failure.
Emits an E_WARNING
level error if an unknown signature algorithm
is passed via the digest_algo
parameter.