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Magento Developer Certification Topics Index

1 – Basics This topic comprises approximately 5% of the exam. Questions are drawn randomly from the following objectives: Fundamentals ○ Describe and apply basic principles and processes of Object Oriented Programming (OOP) and Model-View-Controller (MVC) to build Magento websites ○ Identify and describe the principles of Event-Driven Architecture (EDA) …

Magento Core Bugs and Patchs

Categories are not appearing when editing products Apply to Magento 1.5 CE File path app/code/core/Mage/Adminhtml/Block/Catalog/Product/Edit/Tab/Categories.php Function public function getSelectedCategoriesPathIds($rootId = false) Related problem : categories do not expand in admin,  categories suddenly disappear,  categories do not show when edit product Patch public function getSelectedCategoriesPathIds($rootId = false) { $ids = array(); $collection = Mage::getModel(‘catalog/category’)->getCollection() ->addFieldToFilter(‘entity_id’, array(‘in’=>$this->getCategoryIds())); foreach ($collection as …

magento – instantiation abstraction and Autoload

If you Aore at all familiar with object-oriented programming, the following line should you look for familiar. $customer_group = new Mage_Customer_Model_Group(); We, Aore instantiating an instance of the class Mage_Customer_Model_Group. However, if you were looking at the code base for Magento Mage_Customer_Model_Group you, AOD never a single expression that everything …