if?($_POST)?{
????//?No?image?
????if?(empty($_FILES['image'])?OR?$_FILES['image']['error']?!=?UPLOAD_ERR_OK)?{
????????die?('Invalid?image?uploaded.??Please?go?back?and?try?again.');
????}

????$imagepath?=?$_FILES['image']['tmp_name'];

????//?Load?image
????$image?=?open_image($imagepath);

????if?($image?==?false)?{
????????die?('You?uploaded?an?invalid?image.?Please?go?back?and?try?again.');
????}

????//?Get?original?width?and?height
????$width?=?imagesx($image);
????$height?=?imagesy($image);

????//?Percentage?
????if?(!empty($_POST['percent'])?AND?is_numeric($_POST['percent']))?{
????????$percent?=?floatval($_POST['percent']);
????????$percent?=?$percent/100;

????????$new_width?=?$width?*?$percent;
????????$new_height?=?$height?*?$percent;

????//?New?width??Calculate?new?height
????}?elseif?(!empty($_POST['new_width'])?AND?is_numeric($_POST['new_width']))?{
????????$new_width?=?floatval($_POST['new_width']);
????????$new_height?=?$height?*?($new_width/$width);

????//?New?height??Calculate?new?width
????}?elseif?(!empty($_POST['new_height'])?AND?is_numeric($_POST['new_height']))?{
????????$new_height?=?floatval($_POST['new_height']);
????????$new_width?=?$width?*?($new_height/$height);

????//?New?height?and?new?width
????}?elseif?(!empty($_POST['height'])?AND?is_numeric($_POST['height'])?AND?!empty($_POST['width'])?AND?is_numeric($_POST['width']))?{
????????$new_height?=?floatval($_POST['height']);
????????$new_width?=?floatval($_POST['width']);
????}?else?{
????????die?('You?didn\'t?specify?any?resizing?options.');
????}????

????//?Resample
????$image_resized?=?imagecreatetruecolor($new_width,?$new_height);
????imagecopyresampled($image_resized,?$image,?0,?0,?0,?0,?$new_width,?$new_height,?$width,?$height);

????//?Display?resized?image
????header('Content-type:?image/jpeg');
????imagejpeg($image_resized);
????die();

}

//?Display?the?upload?form:
?>

????
????????

????
????????th?{?text-align:?right;?}
????

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????????????
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????



function?open_image?($file)?{
????#?JPEG:
????$im?=?@imagecreatefromjpeg($file);
????if?($im?!==?false)?{?return?$im;?}

????#?GIF:
????$im?=?@imagecreatefromgif($file);
????if?($im?!==?false)?{?return?$im;?}

????#?PNG:
????$im?=?@imagecreatefrompng($file);
????if?($im?!==?false)?{?return?$im;?}

????#?GD?File:
????$im?=?@imagecreatefromgd($file);
????if?($im?!==?false)?{?return?$im;?}

????#?GD2?File:
????$im?=?@imagecreatefromgd2($file);
????if?($im?!==?false)?{?return?$im;?}

????#?WBMP:
????$im?=?@imagecreatefromwbmp($file);
????if?($im?!==?false)?{?return?$im;?}

????#?XBM:
????$im?=?@imagecreatefromxbm($file);
????if?($im?!==?false)?{?return?$im;?}

????#?XPM:
????$im?=?@imagecreatefromxpm($file);
????if?($im?!==?false)?{?return?$im;?}

????#?Try?and?load?from?string:
????$im?=?@imagecreatefromstring(file_get_contents($file));
????if?($im?!==?false)?{?return?$im;?}

????return?false;
}
?>

Image:
Resize?to:?	%?(percentage)
OR?new?width:?	?pixels?(height?will?be?calculated?automatically)
OR?new?height:?	?pixels?(width?will?be?calculated?automatically)
OR?new?height?and?new?width:?	???????????????????? ???????????????????????? ???????????????????????? ???????????????????? width: ?pixels height: ?pixels ????????????????