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/...
Q. How and where does Magento differentiate between install, upgrade, and downgrade scripts? In Mage_Core_Model_App::_initModules(), calls Mage_Core_Model_Resource_Setup::applyAllUpdates(), and it then...
Q. How are layout xml directives processed? Mage_Core_Controller_Varien_Action::loadLayout() – processes the request to load layout Mage_Core_Model_Layout::__construct() – loads layout xml...
Q. How to pass variables from layout to block? <action method=”setData”><name>category_id</name><value>3</value></action> In the block, this can be retrieved by.. $categoryId...
Q. What are the common methods with which the framework accesses its configuration values and areas? getStoreConfig(), getStoreConfigFlag(), $enable =...
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