test.php

<?php


class MB_Dynamicconfigurable_Block_Catalog_Product_View extends Mage_Catalog_Block_Product_View
{
    function _prepareLayout()
    {
        parent::_prepareLayout();
        $product = $this->getProduct();
        if (("product.info" == $this->getNameInLayout()) && $product->isConfigurable() && $product->getIsDynamic())
        {
            echo "Set template dynamicconfigurable/catalog/product/view.phtml<br />";
            $this->setTemplate("dynamicconfigurable/catalog/product/view.phtml");
            $this->setChild('editor', $this->getLayout()->createBlock('dynamicconfigurable/catalog_product_view_editor', 'dynamicconfigurable.editor'));
        }
        return $this;
    }
}