Hi,
I am using CakePHP with PHP5 and Apache on Fedora Core 5 and the third
party graphing tool, ChartDirector for PHP
(http://www.advsofteng.com/product.html). ChartDirector accepts data
in the form of $_GET or $_SESSION variables, does some manipulations in
PHP, then outputs a graphic using code something like this:
<code>
header("Content-type: image/png");
print($c->makeChart2(PNG));
</code>
My problem is that I cannot access $_SESSION from within my chart file.
$_GET variables are readily accessible, but isset($_SESSION) from
within the chart file always returns false.
To test, I added another, non-chart file with only the line
print_r($_SESSION) (to the same directory as my chart file,
webroot/img), included it it my code ( include("img/test.php"); ) and
it outputs the session array as expected. One line below, I include my
chart code (<img src="/img/chart.php" /> ) and no $_SESSION is detected
(otherwise, the image is generated as expected). I'm totally stumped.
I'm not sure if this has to do with cake, my php setup, or
chartdirector.
In a non-Cake environment running PHP 4.3.11, $_SESSION variables are
readily accessible from within chart director files.
Thanks!
- Jack
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