T�tulo: Modernizing Legacy Applications in PHP: Make your legacy applications organized, testable and free of globals
Editor: Packt Publishing
Fecha de publicaci�n: 2016
Idioma: Ingl�s
ISBN 10: 1787124703
ISBN 13: 9781787124707
Encuadernaci�n: Encuadernaci�n de tapa blanda
Estado: New

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Sinopsis

Get your code under control in a series of small, specific steps

Key Features:

Learn to extract and replace legacy artifacts,
Improve your application from the ground up while keeping your codebase fully operational,
Improve the quality of your legacy applications.

Book Description:

Have you noticed that your legacy PHP application is composed of page scripts placed directly in the document root of the web server? Or, do your page scripts, along with any other classes and functions, combine the concerns of model, view, and controller into the same scope? Is the majority of the logical flow incorporated as include files and global functions rather than class methods? Working with such a legacy application feels like dragging your feet through mud, doesn't it?This book will show you how to modernize your application in terms of practice and technique, rather than in terms of using tools such as frameworks and libraries, by extracting and replacing its legacy artifacts. We will use a step-by-step approach, moving slowly and methodically, to improve your application from the ground up. We'll show you how dependency injection can replace both the new and global dependencies. We'll also show you how to change the presentation logic to view files and the action logic to a controller. Moreover, we'll keep your application running the whole time. Each completed step in the process will keep your codebase fully operational with higher quality. When we are done, you will be able to breeze through your code like the wind. Your code will be autoloaded, dependency-injected, unit-tested, layer-separated, and front-controlled. Most of the very limited code we will add to your application is specific to this book. We will be improving ourselves as programmers, as well as improving the quality of our legacy application.

What You Will Learn:

Replace global and new with dependency injection
Extract SQL statements to gateways
Convert action logic to controllers
Remove repeated logic in page scripts
Create maintainable PHP code from crufty legacy PHP

Who this book is for:

PHP developers from all skill levels will be able to get value from this book and will be able to transform their spaghetti code applications to clean, modular applications. If you are in the midst of a legacy refactor or you find yourself in a state of despair caused by the code you have inherited, this is the book for you. All you need is to have PHP 5.0 installed, and you're all set to change the way you maintain and deploy your code!

Acerca del autor

Paul M. Jones is an internationally recognized PHP expert who has worked as everything from junior developer to VP of Engineering in all kinds of organizations (corporate, military, non-profit, educational, medical, and others). He blogs professionally at www.paul-m-jones.com and is a regular speaker at various PHP conferences.Paul's latest open-source project is Aura for PHP. Previously, he was the architect behind the Solar Framework, and was the creator of the Savant template system. He was a founding contributor to the Zend Framework (the DB, DB_Table, and View components), and has written a series of authoritative benchmarks on dynamic framework performance.Paul was one of the first elected members of the PEAR project. He is a voting member of the PHP Framework Interoperability Group, where he shepherded the PSR-1 Coding Standard and PSR-2 Coding Style recommendations, and was the primary author on the PSR-4 Autoloader recommendation. He was also a member of the Zend PHP 5.3 Certification education advisory board.In a previous career, Paul was an operations intelligence specialist for the US Air Force. In his spare time, he enjoys putting .308 holes in targets at 400 yards.

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