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.
Table of Contents (15 chapters)
Programming with CodeIgniter MVC
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Appendix
Index

Example 1 – HTML5 location powered by Google Maps


In this example, we will expand the Google Maps integration example from Chapter 4, Libraries, so that there will be a new option of showing the user where they are located on the Google Map. For doing so, we will use the HTML5 navigator.geolocation service to request the browsing user to share its location with the application. If the user agrees, and is using an advanced browser, such as the latest Firefox, Chrome builds that support to this service. Once we get the values, we will collect the geolocation, and call a controller method to prepare the Google Map of that area to render a Google Map view with the option navigator. We will use the HTML5 navigator.geolocation service as follows:

navigator.geolocation.getCurrentPosition(getLocation, locationFail);

Here, getLocation is called, if the location was successfully fetched, and locationFail, if it was failed.

We will start with the controller first.

The controller file

The controller PHP...