Programmatically check if method is public [duplicate]

Possible Duplicate:

How to check if a function is public or protected in PHP

Is there a function that checks if giver开发者_如何转开发 method of given class is public?

I know method_exists(), but it does not work how I want to. If there isn't how can I check that?

http://www.php.net/manual/en/function.is-callable.php