NTH thumbnailer @ technoslab.blogspot.com

<?php

/*

NTH THUMBNAIL GENERATOR ( generate thumbnail of nth files using PHP )

POSTED AT TECHNOSLAB.BLOGSPOT.COM

Usage :

=> Save this file as nth.php

=> Call it in your html as <img src='nth.php?file=xyz.nth' />

*/

require_once"tdesk/class.pclzip.php";

// Get it at www.phpconcept.net/pclzip.

if(!isset($_GET['file']) || !is_file($_GET['file']))exit('Feed me a nth file');

// Add more security checks like extension/filesize check.

$nth = new PclZip($_GET['file']);

// Create a new instance of Pclzip class.

$content = $nth->extract(PCLZIP_OPT_BY_NAME,'theme_descriptor.xml',PCLZIP_OPT_EXTRACT_AS_STRING);

// Extract theme_descriptor_xml file as string.

$xml = simplexml_load_string($content['0']['content']);

// Load the sting in a simple xml object.

$src = trim($xml->wallpaper['src']) or $src = trim($xml->wallpaper['main_display_graphics']);

// Get main theme background image's name.

$img = $nth->extract(PCLZIP_OPT_BY_NAME,$src,PCLZIP_OPT_EXTRACT_AS_STRING);

// Extract the main background image as string.

$img = $img['0']['content'];

// Obtain the string.

$img = imagecreatefromstring($img);

// Create an image from that string.

header('Content-type: image/jpeg');

// Send a header to the browser saying that the output is of image/jpeg type.

imagejpeg($img);

// Output the image to the browser.

imagedestroy($img);

// Clean and free up resources.

?>