How to tell if a form is using post or get
Introduction to the form. POST data is submitted by a form and âpostedâ to the web server as form data. POST data is encoded the same way as GET data, but isnât typically visible to the user in standard browsers.sing âissetâ. You can use the âissetâ function on any variable to determine if it has been set or not. You can use this function on the $_POST array to determine if the variable was posted or not.