Parsing extensions

It's common for applications to use a file extension as part of the URL. This can sometimes help orientate the user to the type of content found in that location or for your application to easily deal with data types such as JSON or XML.

In this recipe, we'll look at how easy it is to parse extensions using the framework.

Getting ready

For this recipe, we'll use a books controller from previous chapter, which will return a listing of books from the books database table as a JSON response. So, find a file named BooksController.php in app/Controller/.

How to do it...

Perform the following steps:

First, add the following line to your routes.php file located in app/Config/:
```
Router::parseExtensions('json');
```
Then, we'll load the RequestHandler component in our BooksController class using the following code:
```
public $components = array('RequestHandler');
```
We'll also add a listing() method with the following code:
```
public function listing() {
 ...
```

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CakePHP 2 Application Cookbook - Third Edition

By : Watts

CakePHP 2 Application Cookbook

By: Watts

Overview of this book

Parsing extensions

Getting ready

How to do it...

CakePHP 2 Application Cookbook - Third Edition

By : Watts

CakePHP 2 Application Cookbook

By: Watts

Overview of this book

Parsing extensions

Getting ready

How to do it...

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