[FX.php List] Creating summaries on the fly,

Tue Aug 22 23:04:14 MDT 2006

On 23/8/06 1:48 PM, "Bob Patin" <bob at patin.com> wrote:

> Kevin,
> 
> This sounds like what I probably want; what I need to have is a variable that
> I can place in the table as it's built in the PHP foreach loop, and then
> update once the table's complete.
> 
> So in my table cell, would I put the code below, or is that how I update it?
> 
> If you could give me an example of each, that would be great...
> 
> What I'd love to know:
> 
> 1) what to put in the cell (assuming the variable was called "test" for now
> 2) what to put down in the code after the foreach loop to update my
> variable...
> 
> Sounds like exactly what I need though...
> 
Well, I¹ll have to make some assumptions about the way you¹re doing things,
so you¹ll need to accommodate or amend for those. You¹ll need to write a JS
function out in the <head> section of your document using PHP, or at least
pass any relevant PHP variables to the JS script. Then, call the JS function
at the end of your table, so that it runs and populates the relevant table
cells. I guess all I can do is give you the code that would loop through a
series of table cells and write some data in  you¹ll have to modify it to
suit exactly what you¹re doing.

function writePercentage()
{
    var rows = document.getElementsByTagName(³tr²);
    var total = rows.length;
    for (var i = 0; i < total; i++)
    {
        var target = document.getElementById(³id-name² + i);
        target.innerHTML = ³30%²;
    }
}

Of course, you¹d want to write an appropriate value into each cell  I¹ve
just shown a hard-coded example. You¹d probably have to supply variables via
PHP (eg, target.innerHTML = ³<?php echo $phpvar; ?>²; ), or calculate the
percentage yourself in the loop using PHP-supplied variables.

I hope all that makes sense! I¹d still go with Dale¹s PHP suggestions
though, FWIW.

-- 
Kevin Futter
Webmaster, St. Bernard's College
http://www.sbc.melb.catholic.edu.au/

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