Stuff

	if($_POST['Submit'] == "Upload")	{						$data = $_FILES['logo'];				if($data['size'] < 2097152) // 2MB		{						$good = true;							switch($data['type'])			{				case "image/pjpeg":				case "image/jpeg":					$ext = "jpg";				break;								case "image/png":					$ext = "png";				break;									case "image/gif":					$ext = "gif";					break;									default:					$good = false;					$smarty->assign('messagebox_contents', "Invalid file type, please use only JPG, PNG, or GIF Images.");				break;			}						if($good)			{				$filename = md5($_SESSION['UID']).".".$ext;								if(@move_uploaded_file($data['tmp_name'], "images/logos/".$filename))				{					switch($ext)					{						case "jpg":							$image = imagecreatefromjpeg("images/logos/".$filename);						break;												case "png";							$image = imagecreatefrompng("images/logos/".$filename);						break;												case "gif";							$image = imagecreatefromgif("images/logos/".$filename);						break;					}										$width = imagesx($image);					$height = imagesy($image);										if($width > $height)					{								$newwidth = 200;						$newheight = $newwidth * ($height / $width);					}					else					{						$newheight = 200;						$newwidth = $newheight * ($width / $height);					}										$newimage = imagecreatetruecolor($newwidth, $newheight);										imagecopyresampled($newimage, $image, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);											imagejpeg($newimage, "images/logos/".$filename, 90);										$result = $db->query("UPDATE `tradesmen` SET `logo`='$filename' WHERE `id`='".$_SESSION['UID']."'");				}			}		}		else		{			$smarty->assign('messagebox_contents', "The file you uploaded is too large, please make sure your image is under 2 Megabytes (MB) in size.");		}	}