For me its very easy to pass php values to the client:
echo _var($value,'name');
But the best part is taking control of what your client sees from the
server-side:
C('#info')->show(); // now you see it
...
C('#info')->hide(); // now you don't!
Take control and start building powerful web apps with Raxan PDI -
http://raxanpdi.com
__
Raymond Irving
Create Rich Ajax/PHP Web Apps today!
Raxan PDI - http://raxanpdi
--- On Wed, 4/8/09, Michael A. Peters <[email protected]> wrote:
> From: Michael A. Peters <[email protected]>
> Subject: Re: [PHP] How can I echo a javascript var in an email subject line?
> Possible?
> To: "Terion Miller" <[email protected]>
> Cc: "PHP General" <[email protected]>
> Date: Wednesday, April 8, 2009, 2:34 PM
> Terion Miller wrote:
> >
> >
> >
> >
> > On Wed, Apr 8, 2009 at 12:50 PM, Michael A. Peters
> <[email protected]
> <mailto:[email protected]>>
> wrote:
> >
> > Terion Miller wrote:
> >
> >
> >
> > javascript is
> client side.
> > php is server
> side.
> > To use
> something client side in a server side script, the web
> > page
> > has to send
> it to the server from the client.
> >
> > The best way
> to do what you want to do is probably to do the work
> > count server
> side, but if you really want to use what javascript
> > produced you
> can create a hidden input with a specified id,
> > and use
> > dhtml via
> javascript to modify the input and insert the value
> > into
> > the value
> field of the hidden input. Then it will get sent to the
> > server when
> the user hits the post button.
> >
> > However,
> since you should be validating any user input server
> > side,
> > you'll need
> to validate that the variable is accurate - might as
> > well just do
> the count with php server side.
> >
> >
> >
> > Thanks Michael I
> was kind of moving in the right direction as
> > far as the
> hidden input goes, going to have to google on how to
> > do it with the
> dhtml and all like you suggested.
> >
> >
> > Look at the various DOM
> functions - IE for
> >
> > <input type="hidden"
> name="wordcount" id="hiddenStudd" value="">
> >
> > you coud do in your js:
> >
> > var myHidden =
> document.getElementById('hiddenStuff');
> >
> myHidden.setAttribute('value',$yourvalue);
> >
> >
> > Thought I would go ahead and post a bit more on this,
> so here is my wordcount little function on the textarea of
> the form:
> >
> > <textarea name="Comments"
> cols="55" rows="5" wrap="hard"
> onKeyDown="wordCounter(this.form.Comments,this.form.remLen,
> 300);"
> onKeyUp="wordCounter(this.form.Comments,this.form.remLen,
> 300);"><?php if (isset($_SESSION['Comments'])) {echo
> $_SESSION['Comments'];}
> ?></textarea><br>Letters to the Editor are
> limited to 300 words or less.<br>Words remaining:
> <input type=box readonly name=remLen size=3
> value=300>
> >
> > So I was thinking I should be able to pass that again
> to the next page which is the emailform.php page that is
> taking all the id= and printing them to an email ....
> > should be able to reuse that function right?
> >
> > <input type="hidden" id="words" value=""
> onSubmit="return
> wordCounter(this.form.Comments,this.form.remLen);" >
> >
> > or do I need to define the variable? think I'm
> starting to confuse myself lol
>
> You don't want the onSubmit in the the hidden input.
>
> I'm not a javascript guru - but I believe you can have the
> form onSubmit do the word count and insert it into the input
> field before the actual submit happens, I've never tried
> having an onsubmit function alter a value field though.
>
> I would change the textarea to have an id="Comments" field
> and the remLen input to have an id="remLen" field to make it
> easy to find via getElementById (as id attributes have to be
> unique), count the words and set them to a variable that
> then gets put into the hidden input before whatever function
> you run on the submit type onSubmit returns true.
>
> not tested - but something like this:
>
> function countTheWords() {
> var comment =
> $document.getElementById('Comments');
> var remLen =
> $document.getElementById('remLen').value;
> var count =
> wordCounter($comment,$remLen);
> var myHidden =
> document.getElementById('words');
> myHidden.setAttribute('value',$count);
> }
>
> Then in whatever function you run in the form onSumbit have
> it run the countTheWords() function before it exits.
>
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