Re: Passing variables between pages

On Sun, 2008-09-21 at 20:39 +0100, Stut wrote: > On 21 Sep 2008, at 18:13, Nathan Rixham wrote: > > tedd wrote: > >> At 8:31 PM +0100 9/20/08, Nathan Rixham wrote: > >>> Am I missing something here..? > >> Yes. You are missing the point. > >>> This is exactly the same; you don't need $_SESSION's in this case > >>> because all you're doing is POST'ing the data every time.. > >> And that's what you are missing -- it's not continued POSTing! > >> Follow closely, > >> http://www.webbytedd.com/bb/php-run-php/ > >> While I'm using a Submit Post button to go from this script to the > >> next script I am NOT sending any data via the POST. To prove it, > >> use FF and see what's passed. > >> All data is passed/available to the next script because the next > >> script is an include. > >> For example, this parent script has the variable: > >> $test = "This is a test"; > >> And the next script (either a.php, or b.php, or c.php -- your > >> choice) simply echo's $test. > >> Please note, the contents of the variable $test was NOT passed via > >> a POST, but rather retained because the parent script included the > >> next script. > >> Do you see the difference? > >> Here's another example presenting the same technique in a different > >> way: > >> http://www.webbytedd.com/bb/tedd/index.php > >> All the variables remain intact AND there is nothing in the > >> REQUEST, SESSION nor COOKIE arrays. > >> I have a hard time trying to get people to understand this simple > >> concept. It's so simple that people often overlook how powerful it > >> is. > >> For example, with a little forethought, I think there isn't a > >> script I've written that I could not have used this technique and > >> dispensed with SESSION's all together. That's pretty powerful, > >> don't you think? > >> Do you understand what I'm doing now? > >>> no ill-intention meant. > >> That's Okay -- I realize you meant no ill-intent. > >> Neither do I -- I realize that occasionally simple concepts are > >> hard for you smarter guys to get because you have to dumb down a > >> lot to consider what we're talking about. But I think it's an > >> interesting concept to consider. > >> Cheers, > >> tedd > > > > > > at it's simplest is this correct..? > > > > index.php > > <?php > > $variables = $_POST; > > include 'anotherscript.php'; > > ?> > > > > anotherscript.php > > <?php > > print_r( $variables ); //include has access to $variables from parent > > print_r( $_POST ); //include has access to post data as well > > ?> > > > > I'm struggling to follow here I thinks! lol > > I don't think you're missing the point Nathan, I think you've hit it > on the head. This technique does not solve the problem of passing > variables between requests. I think the only benefit here is to avoid > having to repost data by including the next script rather than > bouncing off the browser. > > Or maybe I'm missing the point. Looks like a basic front-end loader pattern. Data isn't passed, it's available by virtue of being in the current request's context. Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP