Using the POST method in a PHP form
This tutorial will cover how PHP handles form data posted via the POST method. Introduction to the form POST data is submitted by a form and “posted” to the web server as form data. POST data is encoded the same way as GET data, but isn’t typically visible to the user in standard browsers. Most forms use the post method because it “hides” the form data away from the user and doesn’t clutter up the URL in the address bar.