skyrifle

Hi, I am a curious fellow just beginning to use PHP. I understand the basics of what the $_GET and $_POST superglobals do, and how we can use them to retrieve data after form submission. I also know that since $_GET and $_POST are just associate arrays, we can create our own values in both $_GET and $_POST by writing statements like $_POST['variable'] = "value". I am wondering if it is at all possible to send data beyond form data by adding new key/value pairs into $_GET and $_POST. So for example, if I had a form that transferred username/password through Post, would it be possible for me to include further data by just saying $_POST['formtype'] = "house_insurance_form"? Basically what I'm getting at is trying to physically add your own data to $_POST or $_GET that you could pull from the next page where the form redirects to. In other words, can I send data beyond form data using these superglobals? I know I can do this with $_SESSION, but could I do it through $_POST or $_GET? I haven't been able to accomplish this, and I was just wondering if someone could give me an in-depth explanation of how this might work or how this is not possible. I would really really really appreciate it. Best Regards, -Sky