php man page for calculhmac

CALCULHMAC(3)								 1							     CALCULHMAC(3)

calculhmac - Obtain a hmac key (needs 2 arguments)

SYNOPSIS
       string calculhmac (string  $clent, string  $data)

DESCRIPTION
       Warning

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

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

NOTES
       Warning

	      This  function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in
	      a future release of PHP. This function should be used at your own risk.

PHP Documentation Group 													     CALCULHMAC(3)