swf file upload

        $allowedExt = "swf";
        $temp = explode(".", $_FILES["model"]["name"]);
        $extension = end($temp);

        $modelName = $_FILES["model"]["name"];
        $modelType = $_FILES["model"]["type"];

        //Test echo
        echo $modelType;
        echo $_FILES["model"]["type"];

        //Checks if the file is valid
        if (($modelType == "application/x-shockwave-flash")
        && ($_FILES["model"]["size"] < 200000)
        && in_array($extension, $allowedExt)) {

            if ($_FILES["model"]["error"] > 0) {
                echo "Error: " . $_FILES["image"]["error"] . "<br>";
            } else {
                $modelName = $_FILES["model"]["name"];

                if (file_exists("models/" . $modelName)) {
                    echo $modelName . " already exists. ";
                } else {
                    move_uploaded_file($_FILES["model"]["tmp_name"],
                        "models/" . $modelName);
                    echo "Stored in: " . "models/" . $modelName;
                }
            }
        }else{
            echo "Invalid file";
        }