function boyutlandir path folder newwidth 250 filename basename path f

function boyutlandir($path, $folder) 
{ 
	$newwidth				=	250; 
	$filename				=	basename($path); 
	$file_extension				=	strtolower(substr(strrchr($filename,"."),1)); 
	$boyutlar				=	getimagesize($path);
	$resimorani				=	$newwidth / $boyutlar[0];
	$newheight 				=	$resimorani*$boyutlar[1];
	$thumb					=	@imagecreatetruecolor($newwidth, $newheight);
	
	
	imagealphablending($thumb, false); 
	imagesavealpha($thumb, true);  
	
	if($file_extension=="jpeg"||$file_extension=="jpg")
	{ 
		$source 	= 	imagecreatefromjpeg($path); 
		$kayit		=	$folder.'/'.$filename; 
	}
	else  
	
	if($file_extension=="gif")
	{ 
	$source = imagecreatefromgif($path); 
	$kayit=$folder.'/'.$filename; 
	}
	else if($file_extension=="bmp")
	{ 
	$source 	= imagecreatefromwbmp($path); 
	$kayit		= $folder.'/'.$filename; 
	}
	else  
	if($file_extension=="png")
	{ 
		$source			=	$source = imagecreatefrompng($path); 
		$kayit			=	$folder.'/'.$filename; 
	} 	

	@imagecopyresampled($thumb,  $source, 0, 0, 0, 0, $newwidth, $newheight, $boyutlar[0], $boyutlar[1]);	

	if($file_extension=="jpeg"||$file_extension=="jpg")
	{ 
		imagejpeg($thumb, $kayit); 
	} 
	else if($file_extension=="gif")
	{ 
		imagegif($thumb,$kayit); 
	} 
	else if($file_extension=="bmp")
	{ 
		image2wbmp($thumb,$kayit); 
	}
	else if($file_extension=="png")
	{ 
		imagepng($thumb, $kayit);    
	} 	
	
}