Book Image

Programming with CodeIgniter MVC

Book Image

Programming with CodeIgniter MVC

Overview of this book

The CodeIgniter Model-View-Controller framework provides genius simplicity, flexibility, and efficient resource usage, boosting performance and reusability. "Programming with CodeIgniter MVC" reviews the unique features of CodeIgniter using simple, easy-to-follow, and practical examples. Programming with CodeIgniter MVC provides a simple step-by-step guide to efficiently utilizingthe CodeIgniter MVC framework for developing web applications. This book is packed with engaging examples to understand the usage of controllers, libraries, and (Codeigniter) CI Models. This book commences with a quick discussion of the CodeIgniter Integration with  external plugins such as Flickr API, Google Maps and more will be reviewed with clear usage examples. It will then cover CI naming convention rules, mandatory and optional configurations, and usage within a CI project. It will also cover user defined configurations. By the end of this book, you will not only understand user-defined libraries in a CI framework, but also their services, role, usage, and scope with the help of an example-based approach. The book also covers helpers, models, and views, as well as their usage. Using this book, youwill soonbe able to develop feature-rich web applications using the CodeIgniter MVC framework. "Programming with CodeIgniter MVC" is a one-stop solution to developing solutions with CodeIgniter MVC.

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Programming with CodeIgniter MVC
Sep, 2013 | 192 pages
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Table of Contents (15 chapters)
Programming with CodeIgniter MVC
Programming with CodeIgniter MVC
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started
Getting Started
Installing CodeIgniter
Folders overview
Example 1 – hello world
Example 2 – passing the complex parameters to a view
Example 3 – the database query by a model rendering results to a view
Example 4 – interactive contact forms
Summary
2
Configurations and Naming Conventions
Configurations and Naming Conventions
CI directory tree
Defining and using your own configurations
Understanding and using CI naming conventions
Miscellaneous naming conventions
Summary
3
Controller Usage and Scope
Controller Usage and Scope
Scope of the CI controller
The user-defined CI controller
CI controller use cases
Example 1 – default homepage controller
Example 2 – sending e-mails with attachments
Example 3 – admin and regular user log in
Summary
4
Libraries
Libraries
The CI libraries' scope and usage
Example 1 – using the built-in libraries
Example 2 – using third-party libraries such as the Google Maps CI library wrapper
Example 3 – building a library such as the Flickr API wrapper
Example 4 – the LinkedIn API wrapper
Summary
5
Helpers
Helpers
CI helpers' scope and usage
Example 1 – using built-in helpers
Example 2 – SSL helper
Example 3 – building your own helper
Summary
6
Models
Models
Scope of the CI model
Object Relational Mapping (ORM)
Example 1 – a CRUD example
Example 2 – a business logic example
Example 3 – retrieving data from Facebook
Summary
7
Views
Views
Scope of the CI view
Accessing the libraries/helpers
Example 1 – HTML5 location powered by Google Maps
Example 2 – user feedback powered by AJAX and the jQuery UI
Summary
Appendix
Appendix
Index
Index

Example 3 – retrieving data from Facebook

In this example, we will use the CI built-in model to retrieve data from Facebook.

The example displays a Facebook user name and picture and displays the user's Facebook friends.

This example uses Facebook PHP SDK as a CI library. It can be downloaded from https://github.com/facebook/php-sdk. For more information, refer to Chapter 4, Libraries.

This example will be constructed from the following controllers, model, and view:

  • application/controllers/fbpage.php: This controller loads the model fbmodel

  • $this->load->model('fbmodel'): This controller renders the view fbview, which displays the user's Facebook picture and name, and table, which contains the user's friends' names and links to their profiles

  • application/models/fbmodel.php: This model contains functions that retrieve data from Facebook

  • application/views/fbview.php: This view displays Facebook data

Let us assume the URI to the project root is http://mydomain.com/myproject and http://mydomain...

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