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Symfony 1.3 Web Application Development
Symfony 1.3 Web Application Development

Symfony 1.3 Web Application Development: Design, develop, and deploy feature-rich, high-performance PHP web applications using the Symfony framework

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Symfony 1.3 Web Application Development

Chapter 2. Developing Our Application

Developing an application in Symfony is easy and time-saving, and one of the best ways to demonstrate that is to create a web site. In this chapter, we begin our journey by jumping straight into development. By the end of this chapter, we will have an initial prototype, which will serve as a starting point for the other chapters.

Along the way you will be introduced to the MVC flow within Symfony where you will understand about the business and application logic, and designing the database.

In this chapter you will learn how to:

  • Set up the foundations for a basic database-driven web site using the Symfony framework

  • Use some of the available Symfony tasks to cut out repetition

  • Create a database schema and later understand its relation to the ORM and forms

  • Understand the flow of the request to the controller, action, routing, and template rendering

The milkshake shop

Our application will be designed for a fictitious milkshake shop. The functional requirements...

The milkshake shop


Our application will be designed for a fictitious milkshake shop. The functional requirements for our shop are:

  • Display of the menu, job vacancies, and locations; these details will be updated from the back office

  • Sign up to a newsletter, where users can submit their details

  • Search facility for the menu

  • Secure backend for staff to update the site

  • The site must be responsive

  • Option for the users to view our vacancies in three languages

Creating the skeleton folder structure

Symfony has many ways in which it can help the developer create applications with less efforts—one way is by using the Symfony tasks available on the Command Line Interface (CLI). We will be using this method extensively in this book. These Symfony tasks do the following:

  • Generate the folder structure for your project, modules, applications, and tasks

  • Clear the generated cache and rotate log files

  • Create controllers to enable and disable an application and set permissions

  • Interact with the ORM layer to build...

Summary


By using Symfony's CLI to create a project, a developer can spend more time coding. Also, the initial overview of the controllers, routing, application logic, applications, and modules show how tight and modular Symfony can be to develop with. This enforces that developers adhere to standards that make refactoring, debugging, and extending others' code easy. Also, it helps developers to code in an agile way.

We have so far covered the basics that have allowed us to get a wireframe version of our milkshake application up and ready. We have used some of the Symfony tasks to generate the majority of files and code, and have added a few little tweaks to get the pages linking and working. Also, we have configured the framework to use the Propel plugin and have the database ready for the next chapter.

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Key benefits

  • Create powerful web applications by leveraging the power of this Model-View-Controller-based framework
  • Covers all the new features of version 1.3 ñ many exciting plug-ins for you
  • Learn by doing without getting into too much theoretical detail ñ create a "real-life" milkshake store application
  • Includes best practices to shorten your development time and improve performance

Description

With its flexible architecture, the Symfony framework allows you to build modern web applications and web services easily and rapidly. The MVC components separate the logic from the user interface and therefore make developing, changing, and testing your applications much faster. Using Symfony you can minimize repetitive coding tasks, optimize performance, and easily integrate with other libraries and frameworks. Although this framework contains with many powerful features, most developers do not exploit Symfony to its full potential. This book makes it easy to get started and produce a powerful and professional-looking web site utilizing the many features of Symfony. Taking you through a real-life application, it covers all major Symfony framework features without pushing you into too much theoretical detail, as well as throwing some light on the best practices for rapid application development. This book takes you through detailed examples as well as covering the foundations that you will need to get the most out of the Symfony framework. You will learn to shorten the development time of your complex applications and maintain them with ease. You will create several useful plug-ins and add them to your application and automate common tasks. The book also covers best practices and discussions on security and optimization. You will learn to utilize all major features of this framework by implementing them in your application. By the end, you should have a good understanding of the development features of Symfony (for Propel as well as Doctrine editions), and be able to deploy a high-performance web site quite easily.

Who is this book for?

This book is for PHP web developers who want to get started with Symfony 1.3. If you are already using Symfony 1.0 or are new to Symfony, you will learn how to use it in the best way to produce better applications faster.Basic knowledge of Object Oriented design and ORM will be quite helpful.

What you will learn

  • Set up the foundations for a database-driven web site using Symfony
  • Create a list of products by accessing data from a database, paginate the menu, and then customize its look
  • Create formsófrom simple contact forms to complex onesówith user-defined fields using sfFormExtraPlugin
  • Send email notifications to the customers using PHP SwiftMailer library
  • Create quick development task plug-ins to save your development time and package them into your application
  • Configure and customize Symfony s admin generator to create a nice looking back-office
  • Secure your backend application with the Symfony authentication mechanism, leveraging the power of the sfGuardPlug-in security and authentication plug-in
  • Create an advanced admin panel with JavaScript that allows image files to be uploaded and thumbnails to be automatically generated
  • Enhance your search mechanism by using the JQueryAutoComplete Widget to add an auto-complete feature to it
  • Allow your users to choose their preferred language for display by introducing internationalization and localization to your application
  • Integrate a component from another framework into your application with minimum effort
  • Optimize the response time of your site by using compression and caching
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Publication date : Sep 21, 2009
Length: 228 pages
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Language : English
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Table of Contents

10 Chapters
Getting Started with Symfony Chevron down icon Chevron up icon
Developing Our Application Chevron down icon Chevron up icon
Adding the Business Logic and Complex Application Logic Chevron down icon Chevron up icon
User Interaction and Email Automation Chevron down icon Chevron up icon
Generating the Admin Area Chevron down icon Chevron up icon
Advanced Forms and JavaScript Chevron down icon Chevron up icon
Internationalizing our Global Positions Chevron down icon Chevron up icon
Extending Symfony Chevron down icon Chevron up icon
Optimizing for Performance Chevron down icon Chevron up icon
Final Tweaks and Deployment Chevron down icon Chevron up icon

Customer reviews

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3 star 100%
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1 star 0%
James Herrmann Dec 01, 2009
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I purchased this book around the beginning of November. Construction and print quality are both very good. From a writing standpoint, the book is easy to read and conversational. There are some typos (I've found around 10) but none of them are in code samples which is important. I'll be submitting these back to the publisher so later versions are corrected.For those learning Symfony, this book is a mixed bag. Beginning with the positives, you will learn the basic approach to developing in Symfony. Areas I particularly liked include instruction on project setup (chap1&2), forms (chap4) and optimization (chap9).On the downside, Propel is the ORM that is referenced throughout this text. There are virtually no code samples in regard to Doctrine. This is particularly egregious because Doctrine is the default ORM library for Symfony as of version 1.3. As Fabien Potencier (creator of Symfony) puts it, "As Doctrine is the future of symfony, we decided to make it the default choice when creating a new project". Don't assume the book contains code samples for both. It doesn't.Like myself, you may find yourself using the Symfony website/forums A LOT to get additional information on topics. This is because the book is somewhat light on details. I would liken it much more in-line with the Visual QuickStart books that Peachpit produces. The idea being, get something up-and-running quickly.The book does not cover Unit and Functional testing using the lime Testing Framework; a built-in library. This is a significant omission. Automated testing is an integral component of today's RAD programming frameworks (ala Rails).As for Symfony 1.3 specific information, they do a pretty good job. For instance, the use of csrf_secret for securing forms is discussed. However, 1.3 offers easy ways to use Swiftmailer to send emails. This is not covered. The old pattern is used.If you are going to use Propel and are a Symfony beginner, you'll be in good shape with this book. Otherwise, I'd say wait for 'Practical symfony 1.4 for Doctrine' or use the website's tutorials. The Symfony framework itself is a wonderful product. I've enjoyed using it immensely.
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