Book Image

Modular Programming with PHP 7

By : Branko Ajzele
Book Image

Modular Programming with PHP 7

By: Branko Ajzele

Overview of this book

Modular design techniques help you build readable, manageable, reusable, and more efficient codes. PHP 7, which is a popular open source scripting language, is used to build modular functions for your software. With this book, you will gain a deep insight into the modular programming paradigm and how to achieve modularity in your PHP code. We start with a brief introduction to the new features of PHP 7, some of which open a door to new concepts used in modular development. With design patterns being at the heart of all modular PHP code, you will learn about the GoF design patterns and how to apply them. You will see how to write code that is easy to maintain and extend over time with the help of the SOLID design principles. Throughout the rest of the book, you will build different working modules of a modern web shop application using the Symfony framework, which will give you a deep understanding of modular application development using PHP 7.
Table of Contents (19 chapters)
Modular Programming with PHP 7
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Free Chapter
1
Ecosystem Overview
Index

Creating a blank project


Now that we have a Symfony installer all setup, let's go ahead and create a new blank project. We do so by simply executing a symfony new test-app command, as shown in the following command line instance:

Here we are creating a new project, called test-app. We can see that the Symfony installer is downloading the latest Symfony framework from the internet, alongside outputting a brief instruction on how to run the built in PHP server via Symfony console application. The whole process might take up to a few minutes.

The structure of newly created test-app directory occurs similar to the following one:

There are numerous files and directories created here for us. Our interest, however, is focused on app and src directories. The app directory is where the site wide application configuration resides. Here we can find configuration for database, routing, security, and other services. Also, this is where default layout and template file reside, as shown in the following screenshot...