Book Image

Zend Framework 2 Cookbook

By : Josephus Callaars, [email protected]
Book Image

Zend Framework 2 Cookbook

By: Josephus Callaars, [email protected]

Overview of this book

Zend Framework 2 is the latest creation of World Wide Web infrastructure company Zend Technologies Ltd. This new PHP framework comes with tons of features and an attractive way of creating applications. Not only is the overall usability of the technology much better, but it also makes your applications more testable, something that is often overlooked. "Zend Framework 2 Cookbook" will show you how applications are set up in Zend Framework 2 and how you can develop successfully in this massive framework. You will master features like Modules, Views, Controllers, and Authentication. The book also discusses the Event Manager, unit testing, and how to optimize your application. The book begins with a discussion about setting up Zend Framework 2, and you will also look at how the framework itself works. By the end of this book, you will be able to create entire secure applications on your own and make sure they are tested and optimized for performance as well. You will learn about sending and receiving e-mails, translation and localization of the application, and how to set up the framework on a Linux web server. You will also learn how to display data from the application to the user by using different display strategies and renderings. The creation of modules will also be discussed. Then, you will move on to look at how to authenticate users and make sure the developer knows how to pick the best method available. Unit testing, debugging, and enhancing the performance will also be covered in this book. "Zend Framework 2 Cookbook" is a perfect book for anyone who wants to start developing with Zend Framework 2.
Table of Contents (17 chapters)
Zend Framework 2 Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Creating a Database Access Object


Although we can use a dozen different methods to standardize our database functionality, a Database Access Object (or DAO) can be used efficiently to achieve this. This recipe is a working example of how to make your own, and begin organizing your functionality.

Getting ready

Database Access Object (from now on DAO) is used to simplify functionality to and from our database(s). The idea behind a DAO is to create mapping classes that have a single responsibility on their functionality. This means that, for example, we have a table called cards, which also has a mapping called Cards. This Cards mapping will then contain all the functionality we need to use in that table.

This could include, for example, the CRUD (Create, Read, Update, and Delete) functionality, but also more complex methods such as calculations. The idea behind a mapping class is that we are able to hide the layout of the database and provide an interface for the rest of the application, which...