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Yii2 By Example

You're reading from   Yii2 By Example Develop complete web applications from scratch through practical examples and tips for beginners and more advanced users

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Product type Paperback
Published in Sep 2015
Publisher
ISBN-13 9781785287411
Length 344 pages
Edition 1st Edition
Tools
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Author (1):
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 Caldarelli Caldarelli
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Caldarelli
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Table of Contents (20) Chapters Close

Yii2 By Example
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Starting with Yii2 FREE CHAPTER 2. Creating a Simple News Reader 3. Making Pretty URLs 4. Creating a Room through Forms 5. Developing a Reservation System 6. Using a Grid for Data and Relations 7. Working on the User Interface 8. Log in to the App 9. Frontend to Display Rooms to Everyone 10. Localize the App 11. Creating an API for Use in a Mobile App 12. Create a Console Application to Automate the Periodic Task 13. Final Refactoring Index

Creating the rule class


URL rules declared in terms of pattern-route pairs can cover the majority of projects. However, it is not flexible enough with dynamic data, where the URL could be any format and value stored in the database.

Now, we need to display item details using a URL that contains only the item title, such as http://hostname/basic/web/news/Test news of 2015-04-19

There is no way to solve this with URL rules, as we have done until now.

A more general solution to parse and create URL requests is using Rule classes.

The Rule class extends Object and implements UrlRuleInterface.

The next example will explain how to display item details, finding it from the title (defined in data() array of objects), and parsing and creating routes with a Rule class.

The route displayed in the browser will have the news/title format.

For this purpose, create a new folder components under the basic folder if it does not exist, and create components/NewsUrlRule.php with the following content:

<?php

namespace...
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