mam plik który robi mniejszego i bardziej skompresowanego jpga z pliku załadowanego na serwer - jak można to przerobić by zapisywał mi dwie miniatrurki ?

oto skrypt:

[PHP] pobierz, plaintext 
<?
$gd_version=1;
class thumbnail
{
	var $img;
	function thumbnail($imgfile)
	{
		$this->img[&#092;"format\"]=ereg_replace(\".*.(.*)$\",\"1\",$imgfile);
		$this->img[&#092;"format\"]=strtoupper($this->img[\"format\"]);
		if ($this->img[&#092;"format\"]==\"JPG\" || $this->img[\"format\"]==\"JPEG\") {
			//JPEG
			$this->img[&#092;"format\"]=\"JPEG\";
			$this->img[&#092;"src\"] = ImageCreateFromJPEG ($imgfile);
		} elseif ($this->img[&#092;"format\"]==\"PNG\") {
			//PNG
			$this->img[&#092;"format\"]=\"PNG\";
			$this->img[&#092;"src\"] = ImageCreateFromPNG ($imgfile);
		} else {
			//DEFAULT
			echo &#092;"Not Supported File! Thumbnails can only be made from .jpg and .png images!\";
			exit();
		}
		@$this->img[&#092;"lebar\"] = imagesx($this->img[\"src\"]);
		@$this->img[&#092;"tinggi\"] = imagesy($this->img[\"src\"]);
		//default quality jpeg
		$this->img[&#092;"quality\"]=100;
	}
	function size_auto($size=100)
	{
		//size
		if ($this->img[&#092;"lebar\"]>=$this->img[\"tinggi\"]) {
			$this->img[&#092;"lebar_thumb\"]=$size;
			@$this->img[&#092;"tinggi_thumb\"] = ($this->img[\"lebar_thumb\"]/$this->img[\"lebar\"])*$this->img[\"tinggi\"];
		} else {
			$this->img[&#092;"tinggi_thumb\"]=$size;
			@$this->img[&#092;"lebar_thumb\"] = ($this->img[\"tinggi_thumb\"]/$this->img[\"tinggi\"])*$this->img[\"lebar\"];
		 }
	}
	function jpeg_quality($quality=100)
	{
		//jpeg quality
		$this->img[&#092;"quality\"]=$quality;
	}
	function show($gd_version)
	{
		@Header(&#092;"Content-Type: image/\".$this->img[\"format\"]);
		 if($gd_version==2)
				{
				$this->img[&#092;"des\"] = imagecreatetruecolor($this->img[\"lebar_thumb\"],$this->img[\"tinggi_thumb\"]);
				@imagecopyresampled ($this->img[&#092;"des\"], $this->img[\"src\"], 0, 0, 0, 0, $this->img[\"lebar_thumb\"],$this->img[\"tinggi_thumb\"], $this->img[\"lebar\"], $this->img[\"tinggi\"]);
				}
				if($gd_version==1)
				{
				$this->img[&#092;"des\"] = imagecreate($this->img[\"lebar_thumb\"],$this->img[\"tinggi_thumb\"]);
				@imagecopyresized ($this->img[&#092;"des\"], $this->img[\"src\"], 0, 0, 0, 0, $this->img[\"lebar_thumb\"],$this->img[\"tinggi_thumb\"], $this->img[\"lebar\"], $this->img[\"tinggi\"]);
				}
		if ($this->img[&#092;"format\"]==\"JPG\" || $this->img[\"format\"]==\"JPEG\") {
			//JPEG
			imageJPEG($this->img[&#092;"des\"],\"\",$this->img[\"quality\"]);
		} elseif ($this->img[&#092;"format\"]==\"PNG\") {
			//PNG
			imagePNG($this->img[&#092;"des\"]);
		}
	}
	function save($save=&#092;"\",$gd_version)
	{
		if($gd_version==2)
				{
				$this->img[&#092;"des\"] = imagecreatetruecolor($this->img[\"lebar_thumb\"],$this->img[\"tinggi_thumb\"]);
				@imagecopyresampled ($this->img[&#092;"des\"], $this->img[\"src\"], 0, 0, 0, 0, $this->img[\"lebar_thumb\"], $this->img[\"tinggi_thumb\"], $this->img[\"lebar\"], $this->img[\"tinggi\"]);
				}
				if($gd_version==1)
				{
			   $this->img[&#092;"des\"] = imagecreate($this->img[\"lebar_thumb\"],$this->img[\"tinggi_thumb\"]);
			   @imagecopyresized ($this->img[&#092;"des\"], $this->img[\"src\"], 0, 0, 0, 0, $this->img[\"lebar_thumb\"],			$this->img[\"tinggi_thumb\"], $this->img[\"lebar\"], $this->img[\"tinggi\"]);
				}
		 if ($this->img[&#092;"format\"]==\"JPG\" || $this->img[\"format\"]==\"JPEG\") {
			//JPEG
			imageJPEG($this->img[&#092;"des\"],\"$save\",$this->img[\"quality\"]);
		} elseif ($this->img[&#092;"format\"]==\"PNG\") {
			//PNG
			imagePNG($this->img[&#092;"des\"],\"$save\");
		}
 
 
 
	}
}
?>
[PHP] pobierz, plaintext 

wywolanie jego jest następujące :

[PHP] pobierz, plaintext 
<?php
 
$res = move_uploaded_file($userfile, $path . $userfile_name);
if (file_exists(&#092;"$site_dir/images/\" . \"thumb_$userfile_name\"))
{
unlink(&#092;"$site_dir/images/thumb_$userfile_name\");
$thumb=new thumbnail(&#092;"$site_dir/images/$userfile_name\");
$thumb->size_auto(150);
$thumb->jpeg_quality(100);
$thumb->save(&#092;"$site_dir/images/thumb_$userfile_name\", $gd_version);
} else {
$thumb=new thumbnail(&#092;"$site_dir/images/$userfile_name\");
$thumb->size_auto(150);
$thumb->jpeg_quality(100);
$thumb->save(&#092;"$site_dir/images/thumb_$userfile_name\", $gd_version);
}
}
 
?>
[PHP] pobierz, plaintext 

jak zrobić by odrazu zapisywał mi dwa pliki - jeden o rozmiarze 150 [wysokość] a drugi o rozmiarze 100 [wysokość]

Przenoszę: Skrypty php -> php