<?php
final class template
{
    protected static $_instances = array();

    public static function factory($driver = 'php')
    {
        ini_set('short_open_tag', 'On');

        if (!isset(self::$_instances[$driver])) {
            include_once(App::instance()->drivers.'template/'.(strtolower($driver)).'.php');

            $class  = ucwords(strtolower($driver)).'Template';
            self::$_instances[$driver] = new $class;
        }

        return self::$_instances[$driver];
    }
}