Prado\PradoBase::createComponent PHP Метод

    public static function createComponent($requestedType)
    {
        $type = static::prado3NamespaceToPhpNamespace($requestedType);
        if (!isset(self::$classExists[$type])) {
            self::$classExists[$type] = class_exists($type, false);
        }
        if (!isset(self::$_usings[$type]) && !self::$classExists[$type]) {
            static::using($type);
            self::$classExists[$type] = class_exists($type, false);
        }
        /*
         * Old apps compatibility support: if the component name has been specified using the 
         * old namespace syntax (eg. Application.Common.MyDataModule), assume that the calling
         * code expects the class not to be php5.3-namespaced (eg: MyDataModule instead of
         * \Application\Common\MyDataModule)
         * Skip this if the class is inside the Prado\* namespace, since all Prado classes are now namespaced
         */
        if (($pos = strrpos($type, '\\')) !== false && $requestedType != $type && strpos($type, 'Prado\\') !== 0) {
            $type = substr($type, $pos + 1);
        }
        if (($n = func_num_args()) > 1) {
            $args = func_get_args();
            switch ($n) {
                case 2:
                    return new $type($args[1]);
                    break;
                case 3:
                    return new $type($args[1], $args[2]);
                    break;
                case 4:
                    return new $type($args[1], $args[2], $args[3]);
                    break;
                case 5:
                    return new $type($args[1], $args[2], $args[3], $args[4]);
                    break;
                default:
                    $s = '$args[1]';
                    for ($i = 2; $i < $n; ++$i) {
                        $s .= ",\$args[{$i}]";
                    }
                    eval("\$component=new {$type}({$s});");
                    return $component;
                    break;
            }
        } else {
            return new $type();
        }
    }