I gotcha.  More information is, indeed, better. ;-)

So, on the PHP side, you just need to grab the term from the  query string, like this:

  $searchterm = $_GET['query'];

And then in your JavaScript code, you'll send an AJAX request, like:

  http://www.natehill.net/vizstuff/catscrape.php?query=Cooking

Is that what you're looking for?

--Dave

-----------------
David Walker
Library Web Services Manager
California State University


-----Original Message-----
From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of Nate Hill
Sent: Monday, December 05, 2011 3:00 PM
To: [log in to unmask]
Subject: Re: [CODE4LIB] jQuery Ajax request to update a PHP variable

As always, I provided too little information.  Dave, it's much more involved than that....

I'm trying to make a kind of visual browser of popular materials from one of our branches from a .csv file.

In order to display book covers for a series of searches by keyword, I query the catalog, scrape out only the syndetics images, and then display 4 of them.  The problem is that I've hardcoded in a search for 'Drawing', rather than dynamically pulling the correct term and putting it into the catalog query.

Here's the work in process, and I believe it will only work in Chrome right now.
http://www.natehill.net/vizstuff/donerightclasses.php

I may have a solution, Jason's idea got me part way there.  I looked all over the place for that little snippet he sent over!

Thanks!



On Mon, Dec 5, 2011 at 2:44 PM, Walker, David <[log in to unmask]> wrote:

> > And I want to update 'Drawing' to be 'Cooking'  w/ a jQuery hover 
> > effect on the client side then I need to make an Ajax request, correct?
>
> What you probably want to do here, Nate, is simply output the PHP 
> variable in your HTML response, like this:
>
>  <h1 id="foo"><?php echo $searchterm ?></h1>
>
> And then in your JavaScript code, you can manipulate the text through 
> the DOM like this:
>
>  $('#foo').html('Cooking');
>
> --Dave
>
> -----------------
> David Walker
> Library Web Services Manager
> California State University
>
>
> -----Original Message-----
> From: Code for Libraries [mailto:[log in to unmask]] On Behalf 
> Of Nate Hill
> Sent: Monday, December 05, 2011 2:09 PM
> To: [log in to unmask]
> Subject: [CODE4LIB] jQuery Ajax request to update a PHP variable
>
> If I have in my PHP script a variable...
>
> $searchterm = 'Drawing';
>
> And I want to update 'Drawing' to be 'Cooking'  w/ a jQuery hover 
> effect on the client side then I need to make an Ajax request, correct?
> What I can't figure out is what that is supposed to look like... 
> something like...
>
> $.ajax({
>  type: "POST",
>  url: "myfile.php",
>  data: "...not sure how to write what goes here to make it 'Cooking'..."
> });
>
> Any ideas?
>
>
> --
> Nate Hill
> [log in to unmask]
> http://www.natehill.net
>



--
Nate Hill
[log in to unmask]
http://www.natehill.net