openssl_digest

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

openssl_digest — Computes a digest

function openssl_digest(string $data, string $digest_algo, bool $binary = false): string|false

Computes 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.