Question

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I am confused about PHP Post/Redirect/Get

I have a form on a page, so I get the “this page has used data, are you sure you want to refresh” message when I reload the page.

I looked into the HTTP-303 response code, which gets rid of the message (I’m on Chrome btw) until I submit the form once, and then it starts bugging me again.

Basically, I have an optional “contact me” form, that shouldn’t throw a prompt if the page is refreshed. I don’t think/see why I should need a separate page for submission for a short form like this. Can anyone help me out?

Answer 1

Your best option is to use Ajax. That way you don’t need to reload.
I usually use it with JQuery.
So you end up with something like:

function send_message(vMessage,vWho) {
    $.ajax({
        url:"messageSender.php",
        data:{message:vMessage,from:vWho},
        type:"POST",
        success:function(result) {
            // DO SOMETHING HERE, LIKE AN ALERT
        }
    });
}