openssl_digest
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
Computes a digest
Description
Computes a digest hash value for the given data using a given method, and returns a raw or binhex encoded string.
Parameters
dataThe data.
digest_algoThe digest method to use, e.g. "sha256", see
openssl_get_md_methods()for a list of available digest methods.binarySetting to true will return as raw output data, otherwise the return value is binhex encoded.
Return Values
Returns the digested hash value on successFalseforfailure.
Errors/Exceptions
Emits an E_WARNING level error if an unknown signature algorithm is passed via the digest_algo parameter.