How to detect if $_POST is set?

Question

I want to know how to detect if $_POST is set or not.

Right now I detect it like this:

if(isset($_POST[\'value\']))

But I\'m not lo

Answer 1

I know this answer has already been answered, but here's a simple method I'm using in one of my classes to figure whether the post has been set (perhaps someone will find it useful):

public function isPost($key = null) {

    if ($_SERVER['REQUEST_METHOD'] != 'POST') {

        return false;

    }

    if (!empty($key)) {

        return isset($_POST[$key]);

    }

    return true;

}