Anonymous

<?
// this script creates a thumbnail image from an image file - can be a .jpg .gif or .png file
// where $thumbsize is the maximum width or height of the resized thumbnail image
// where this script is named resize.php
// call this script with an image tag
// <img src="/php/resize.php?path=imagepath"> where path is a relative path such as subdirectory/image.jpg
$thumbsize = $_GET['size'];
$imagesource = $_GET['path'];
$filetype = substr($imagesource,strlen($imagesource)-4,4);
$filetype = strtolower($filetype);
if($filetype == ".gif") $image = @imagecreatefromgif($imagesource);
if($filetype == ".jpg") $image = @imagecreatefromjpeg($imagesource);
if($filetype == ".png") $image = @imagecreatefrompng($imagesource);
if($filetype == ".GIF") $image = @imagecreatefromgif($imagesource);
if($filetype == ".JPG") $image = @imagecreatefromjpeg($imagesource);
if($filetype == ".PNG") $image = @imagecreatefrompng($imagesource);
if (!$image) die();
$imagewidth = imagesx($image);
$imageheight = imagesy($image);
if ($imagewidth >= $imageheight) {
$thumbwidth = $thumbsize;
$factor = $thumbsize / $imagewidth;
$thumbheight = $imageheight * $factor;
}
if ($imageheight >= $imagewidth) {
$thumbheight = $thumbsize;
$factor = $thumbsize / $imageheight;
$thumbwidth = $imagewidth * $factor;
}
$thumb = @imagecreatetruecolor($thumbwidth,$thumbheight);
imagecopyresized($thumb, $image, 0, 0, 0, 0, $thumbwidth, $thumbheight, $imagewidth, $imageheight);
imagejpeg($thumb);
imagedestroy($image);
imagedestroy($thumb);
?>