Many thanks - it works fine and also works with just
var params = ({ count: counter });
Could you explain how the above works?
Cheers
Geoff
On 3 Mar, 10:31, "T.J. Crowder" <[EMAIL PROTECTED]> wrote:
> Geoff,
>
> The parameters you send with a request are name/value pairs. The
> 'parameters' option to Ajax.request can accept either a url-encoded
> string, or any Hash-compatible object from which it can get the names
> and values to send (seehttp://www.prototypejs.org/api/ajax/options).
> From the code you posted, unless 'counter' is a url-encoded string of
> some kind, you're not giving any name to your counter value.
>
> Perhaps this:
>
> function send(){
> var params = $H({ count: counter });
> new Ajax.Updater(
> 'updateDiv',
> 'send.php',
> {
> asynchronous:true,
> method:'get',
> parameters: params
> }
> );
>
> }
>
> With this PHP:
>
> <?php
> echo "Hello <p>";
> $cue = $_GET['count'];
> echo $cue;
> ?>
>
> In the send() method, I'm creating an object with one property (count)
> set to the value of the counter variable, and then wrapping that in a
> hash via $H (I'm not sure you really need to do that; you might try it
> without the $H call and see if it works). (I could have done all that
> within the call to Ajax.Updater, but I thought it would be clearer
> doing it separately.) Then in the PHP, I'm retrieving the 'count'
> parameter.
>
> Hope this helps,
> --
> T.J. Crowder
> tj / crowder software / com
>
> On Mar 3, 9:04 am, geoffcox <[EMAIL PROTECTED]> wrote:
>
> > No idea why my message appears twice!!?? Geoff
>
> > On 3 Mar, 09:02, geoffcox <[EMAIL PROTECTED]> wrote:
>
> > > Hello,
>
> > > I am trying to use Ajax.Updater to send a javascript variable value to
> > > MySQL.
>
> > > To simplify matters I just want to see what is sent first so I have
>
> > > <script type="text/javascript">
> > > function send(){
> > > var params = counter;
> > > new Ajax.Updater('updateDiv', 'send.php',
> > > {asynchronous:true,method:'get', parameters:params});
>
> > > }
>
> > > counter being the javascript variable value.
>
> > > Question is - what should I have in the sever side php file?
>
> > > At the moment in send.php I have
>
> > > <?php
> > > echo "Hello <p>";
> > > $cue = $_GET['params'];
> > > echo $cue;
> > > ?>
>
> > > The Hello does appear on the page but the $cue does not.
>
> > > How should I do this?!
>
> > > Cheers
>
> > > Geoff
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