Accessing global vars from iframes

neridaj

Hello,

I have an iframe contained within a page whose source page includes a call to a function that accesses a $GET[] superglobal. is there some sort of "parent" function I need to call to have this var accessible to the iframe calling function? The iframe src page works without relying on variables i.e., the page is populated as expected with thumbnails, however, I need to separate which thumbnails are loaded based on the $GET[] var.

// iframe src - thumbs.php
<?
get_main_thumbs();
?>

// page containing iframe - portfolio.php
<div id="thumbs">
<iframe id="ifrm" name="ifrm" src="thumbs.php" scrolling="auto"
width="600" height="94" frameborder="0">
[Content for browsers that don't support iframes goes here.
Suggestion: include link to file specified in iframe src attribute.]
</iframe>
</div>

// function
function get_main_thumbs()
{
	$projecttype = $_GET['pt'];
	$dir = '../projects/' . $projecttype . '/';
	echo $dir;
	$files = scandir($dir);
	foreach($files as $value) {
    	if(!in_array($value, array('.', '..'))) {

		// check for folders
		if(is_dir($dir.DIRECTORY_SEPARATOR.$value)) {

    		printf('<div class="thumb"><a href="portfolio.php?pt=%s&pn=%s" target="contents">'.
            	'<img src="' . $dir . $value . '/after/' . $value . '01.jpg" width="50" height="50" /></a></div>', $projecttype, urlencode($value));
		}
	}
}
}

Thanks,

Jason

The-Master

I may be wrong but I don't think the iframe can access the get variables or post variables from its parent. Don't hold me to that though.

The way I have solved this problem in the past is by having and if statement or similar so that if a get variable exists in the parent window then it just changes the iframe so that it also has that variable. Sort of like the following:

if (isset($_GET['var'])){
$var = $_GET['var'];
echo "<iframe src='http://example.com/index.php?var=$var>";}
else {
echo "<iframe src='http://example.com/index.php>";}

neridaj

Thanks for the reply. I did this which works, but when I click on the thumbnails everything is loaded into a new window.

function get_main_thumbs()
{
	$projecttype = $_GET['pt'];
	$projectname = $_GET['pn'];
	$dir = '../projects/' . $projecttype . '/';
	$files = scandir($dir);
	foreach($files as $value) {
    	if(!in_array($value, array('.', '..'))) {

		// check for folders
		if(is_dir($dir.DIRECTORY_SEPARATOR.$value)) {

    		printf('<div class="thumb"><a href="portfolio.php?pt=%s&pn=%s" target="contents">'.
            	'<img src="' . $dir . $value . '/after/' . $value . '01.jpg" width="50" height="50" /></a></div>', $projecttype, urlencode($value));
		}
	}
}
}

How can I make the link just load the data in the same browser window?

Thanks,

Jason

The-Master

Remove target="contents" from your link or name the page/iframe that you want the link to load contents.