Book Image

CouchDB and PHP Web Development Beginner's Guide

By : Tim Juravich
Book Image

CouchDB and PHP Web Development Beginner's Guide

By: Tim Juravich

Overview of this book

CouchDB is a NoSQL database which is making waves in the development world. It's the tool of choice for many PHP developers so they need to understand the robust features of CouchDB and the tools that are available to them.CouchDB and PHP Web Development Beginner's Guide will teach you the basics and fundamentals of using CouchDB within a project. You will learn how to build an application from beginning to end, learning the difference between the "quick way"ù to do things, and the "right way"ù by looking through a variety of code examples and real world scenarios. You will start with a walkthrough of setting up a sound development environment and then learn to create a variety of documents manually and programmatically. You will also learn how to manage their source control with Git and keep track of their progress. With each new concept, such as adding users and posts to your application, the author will take you through code step-by-step and explain how to use CouchDB's robust features. Finally, you will learn how to easily deploy your application and how to use simple replication to scale your application.
Table of Contents (17 chapters)
CouchDB and PHP Web Development Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
4
Starting your Application

Time for action – adding functionality for users to log out


I bet you thought the login script was pretty easy. Wait until you see how easy it is for us to allow users to log out.

  1. 1. Open classes/user.php, and create a public static function called logout.

    public static function logout() {
    $bones = new Bones();
    $bones->couch->login(null, null);
    session_start();
    session_destroy();
    }
    
  2. 2. Add a route into the index.php file, and have it call the logout function.

    get('/logout', function($app) {
    User::logout();
    $app->redirect('/');
    });
    
  3. 3. Notice that we are calling a new feature inside of Bones a redirect function. In order for this to work, let's add a quick new function at the bottom of our

    public function redirect($path = '/') {
    header('Location: ' . $this->make_route($path));
    }
    

What just happened?

We added a public static function called logout. The reason we made it public static is that it really doesn't matter to us which user is currently logged in. We just need to perform some...