Lesson 3 - E-shop in PHP - App folder and making the project runnable
In the previous lesson, E-shop in PHP - The concept of article controllers, we filled our directory structure with files, except for the app folder. We also introduced the concept of article controllers. Today's tutorial is devoted to the app folder, which we're going to fill with files to make the project functional again.
Since we access models through controllers, we'll start out with them.
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In this tutorial, we'll implement the concept of article controllers and add code to all app subfolders, hence make the modified project runnable.
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