Hide PHP Variables in URL with url rewrite

Question

I am working on a site that has to deal with reservation numbers and I need to pass variables to confirmation page. Currently when you arrive at confirmation.php the URL looks something like the below:

http://localhost/confirmation.php?reservation_id=1&proceed=no

These variables are sent via a link to this page from the index page. I need a way to either encrypt the $reservation_id OR rewrite my URL so it looks like this

http://localhost/confirmation.php

...but still have access to my variables. I have tried sessions and some encryption methods, but cant find anything that wont over complicate the page as I am trying to keep it as simple as possible. Forms with hidden fields is not an option, I am printing all the reservations in links with a loop from the database.

Thanks!

You want do something complicated, but you don't want to over-complicated the page? — Barmar
– Barmar, Commented Dec 21, 2013 at 0:46
Put them in a session. The values are only available server-side. The only thing that is sent to the browser is a reference to session. — Alister Bulman
– Alister Bulman, Commented Dec 21, 2013 at 0:46

Barmar · Accepted Answer · 2013-12-21 00:50:35Z

1

Use session variables. Create a random session variable name, and assign the reservation information to it:

foreach ($reservations as $r) {
    $random = make_random_string(); // You need to write this function
    $_SESSION[$random] = $r;
    echo "<a href='reservation.php?id=$random'>...</a>";
}

Then reservation.php can look up $_SESSION[$_GET['id']] to get the reservation information.

answered Dec 21, 2013 at 0:50

Barmar

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Comments

TecBrat · Accepted Answer · 2013-12-21 00:46:09Z

0

It sounds like you need to start a session and pass the data in there. Or, you could POST the data instead (Use a form). But the session is probably the better choice.

answered Dec 21, 2013 at 0:46

TecBrat

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2 Comments

Barmar Over a year ago

He said forms are not an option, it sounds like it's a table of links. Like on Expedia when it lists all your itineraries.

TecBrat Over a year ago

@Barmar I don't know if that was there and I didn't see it or if it was added in an edit. Either way, Sounds like sessions are the right choice.

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