iphone wallpaper size PHP Image sizing Code

Copy CodeThe code is as follows:

/**********************
* @filename-path to the image
* @tmpname-temporary path to thumbnail
* @xmax-max width
* @ymax-max Height
*/
function Resize_image ($filename, $tmpname, $xmax, $ymax)
{
$ext = Explode (".", $filename);
$ext = $ext [Count ($ext)-1];
if ($ext = = "JPG" | | $ext = = "JPEG")
$im = Imagecreatefromjpeg ($tmpname);
ElseIf ($ext = = "png")
$im = Imagecreatefrompng ($tmpname);
ElseIf ($ext = = "gif")
$im = Imagecreatefromgif ($tmpname);
$x = Imagesx ($im);
$y = Imagesy ($im);
if ($x <= $xmax && $y <= $ymax)
return $im;
if ($x >= $y) {
$newx = $xmax;
$newy = $newx * $y/$x;
}
else {
$newy = $ymax;
$NEWX = $x/$y * $NEWY;
}
$im 2 = Imagecreatetruecolor ($newx, $newy);
Imagecopyresized ($im 2, $im, 0, 0, 0, 0, Floor ($newx), Floor ($newy), $x, $y);
return $im 2;
}

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