Q. What is the structure of event observers, and how are properties accessed therein? for checkout/cart after adding product, Mage::dispatchEvent(’checkout_cart_product_add_after’,...
Q. Which class runs total models processing? Mage_SalesRule_Model_Validator::process() (applies and processes rules for each item of total models) Basically, rules...
Q. What are the common methods with which the framework accesses its configuration values and areas? getStoreConfig(), getStoreConfigFlag(), $enable =...
Q. Explain how Magento loads and manipulates configuration information? $this->loadBase(); //config.xml and local.xml $this->loadModules(); //load all modules xml from app/etc/modules/...