php man page for openssl_digest

OPENSSL_DIGEST(3)							 1							 OPENSSL_DIGEST(3)

openssl_digest - Computes a digest

SYNOPSIS
       string openssl_digest (string  $data, string  $method, [bool  $raw_output = false])

DESCRIPTION
	Computes a digest hash value for the given data using a given method, and returns a raw or binhex encoded string.

       Warning

	      This function is currently not documented; only its argument list is available.

PARAMETERS
	      o $data
		- The data.

	      o $method
		- The digest method.

	      o $raw_output
		- 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 $method parameter.

SEE ALSO
       openssl_get_md_methods(3).

PHP Documentation Group 													 OPENSSL_DIGEST(3)