Description:
------------
The parameter info of openssl_seal() obtained via reflection
doesn't contain the optional $method parameter which was added as
of PHP 5.3.0. See <https://3v4l.org/FaprH>.


Test script:
---------------
<?php
$func = new ReflectionFunction('openssl_seal');
$param = $func->getParameters()[4];
var_dump($param);
?>


Expected result:
----------------
object(ReflectionParameter)#6 (1) {
  ["name"]=>
  string(6) "method"
}


Actual result:
--------------
NULL