Modular architecture
Rather than being a large application, Magento is built by smaller modules, each adding specific functionality to Magento.
One of the advantages of this approach is the ability to enable and disable specific module functionality with ease as well as adding new functionality by adding new modules.
Autoloader
Magento is a huge framework composed by close to 20,000 files. Requiring every single file when the application starts would make it incredibly slow and resource intensive. Hence, Magento makes use of an autoloader class to require the files each time a factory method is called.
So what exactly is an autoloader? PHP5 includes a function called __autoload(). When instantiating a class, the __autoload() function is automatically ...
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