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  • Book Overview & Buying CouchDB and PHP Web Development Beginner's Guide
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CouchDB and PHP Web Development Beginner's Guide

CouchDB and PHP Web Development Beginner's Guide

By : Tim Juravich
4.5 (6)
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CouchDB and PHP Web Development Beginner's Guide

CouchDB and PHP Web Development Beginner's Guide

4.5 (6)
By: Tim Juravich
Buy this Book

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)
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CouchDB and PHP Web Development Beginner's Guide
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CouchDB and PHP Web Development Beginner's Guide
Credits
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Credits
About the Author
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About the Author
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Introduction to CouchDB
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Introduction to CouchDB
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The NoSQL database evolution
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Introduction to CouchDB
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Summary
2
Setting up your Development Environment
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Setting up your Development Environment
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Operating systems
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Setting up your web development environment on Mac OS X
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Time for action — using Terminal to show hidden files
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Time for action — opening your web browser
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Time for action — checking your PHP version
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Time for action — making sure that Apache can connect to PHP
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Time for action — creating a quick info page
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Time for action — further configuration of Apache
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Time for action — installing Homebrew
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Time for action — installing CouchDB
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Checking that our setup is complete
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Time for action — checking that CouchDB is running
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Installing version control
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Time for action — installing and configuring Git
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Did you have any problems?
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Summary
3
Getting Started with CouchDB and Futon
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Getting Started with CouchDB and Futon
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What is CouchDB?
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Time for action — getting a list of all databases in CouchDB
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Time for action — creating new databases in CouchDB
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Time for action — deleting a database In CouchDB
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Time for action — creating a CouchDB document
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Futon
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Time for action — updating a document in Futon
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Time for action — creating a document in Futon
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Security
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Time for action — taking CouchDB out of Admin Party
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Time for action — anonymously accessing the _users database
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Time for action — securing the _users database
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Time for action — checking to make sure the database is secure
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Time for action — accessing a database with security enabled
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Summary
4
Starting your Application
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Starting your Application
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What we'll build in this book
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Bones
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Project setup
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Time for action — creating the directories for Verge
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Time for action — initializing a Git repository
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Implementing basic routing
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Time for action — creating our first file: index.php
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Time for action — creating the .htaccess file
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Time for action — hooking up our application to Bones
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Time for action — creating the class structure of Bones
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Time for action — creating functions to access the route on Bones creation
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Time for action — creating the register function to match routes
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Time for action — creating a get function in our Bones class
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Time for action — creating routes for us to test against Bones
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Handling layouts and views
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Time for action — using constants to get the location of the working directory
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Time for action — allowing Bones to store variables and the content path
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Time for action — allowing our application to display a view by calling it in index.php
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Time for action — creating a simple layout file
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Time for action — rendering views inside of our routes
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Time for action — creating views
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Adding support for other HTTP methods
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Time for action — retrieving the HTTP method used in a request
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Time for action — altering the register to support different methods
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Time for action — adding simple but powerful helpers to Bones
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Adding support for complex routing
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Adding support for public files
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Time for action — altering .htaccess to support public files
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Time for action — creating a stylesheet for the application
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Publishing your code to GitHub
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Get complete code from GitHub
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Summary
5
Connecting your Application to CouchDB
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Connecting your Application to CouchDB
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Before we get started
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Time for action — creating a database for Verge with curl
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Diving in head first
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Time for action — adding an e-mail field to the signup form
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Time for action — creating a standard object to encode to JSON
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Time for action — creating a CouchDB document with PHP and curl
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Available CouchDB libraries
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Sag
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Time for action — using Git to install Sag
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Time for action — adding Sag to Bones
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Time for action — creating a document with Sag
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Time for action — including the classes directory
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Time for action — creating a Base object
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Time for action — creating a User object
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Time for action — plugging the User object in
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Wrapping up
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Summary
6
Modeling Users
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Modeling Users
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Before we get started
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Time for action — installing Bootstrap locally
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Time for action — including Bootstrap and adjusting our layout to work with it
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Time for action — sprucing up the home page
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Time for action — organizing our user views
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Designing our user documents
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Time for action — adding the fields to support the user documents
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The signup process
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Time for action — handling simple user signup
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Time for action — cleaning up the signup process
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Exception handling and resolving errors
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Time for action — examining Apache's log
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Time for action : Examine CouchDB's log
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Time for action — handling document update conflicts using SagCouchException
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Time for action — showing alerts
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User authentication
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Time for action — adding functionality for users to log in
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Time for action – adding functionality for users to log out
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Time for action – handling the current user
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Summary
7
User Profiles and Modeling Posts
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User Profiles and Modeling Posts
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User profile
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Time for action — getting single user documents
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Time for action — creating a route for user profiles
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Time for action — creating the user profile
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Time for action — examining Apache's log
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Time for action — handling 500 errors with Bones
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Time for action — handling exceptions
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Time for action : handling 404 errors with Bones
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Time for action — handling 404 errors with Bones
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Time for action — checking whether a user is currently logged in
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Posts
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Creating posts
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Time for action — making a function to handle Post creation
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Time for action — making a form to enable Post creation
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Time for action — creating a route and handling the creation of the Post
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Wrapping up
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Summary
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Using Design Documents for Views and Validation
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Using Design Documents for Views and Validation
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Design documents
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Time for action — creating a temporary view
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Time for action — creating a view for listing posts
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Time for action — querying the posts_by_user view
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Time for action — adding support to get_posts_by_user in the post class
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Time for action — adding posts to the user profile
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Time for action — creating the reduce function in Futon
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Time for action — adding support to our application to consume the reduce function
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Time for action — adding support for $_rev to our classes
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Time for action — adding support to delete posts in our application
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Time for action — adding a validate function to ensure that only creators can update or delete their documents
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Time for action – hiding the delete buttons when not on the current user's profile
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Wrapping up
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Summary
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Adding Bells and Whistles to your Application
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Adding Bells and Whistles to your Application
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Adding jQuery to our project
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Time for action — adding jQuery to our project
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Time for action — creating master.js and connecting Boostrap's JavaScript files
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Using jQuery to improve our site
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Time for action — improving our user experience by using AJAX to delete posts
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Adding simple pagination using jQuery
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Time for action — taking posts out of profile.php and putting them in their own partial view
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Time for action — adjusting our get_posts_by_user function to skip and limit posts
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Time for action — refactoring our code so it's not redundant
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Time for action — adding frontend support for pagination
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Time for action — fixing our delete post function to work with pagination
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Using Gravatars
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Time for action — adding Gravatars to our application
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Summary
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Deploying your Application
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Deploying your Application
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Before we get started
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Database hosting with Cloudant
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Configuring our project
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Time for action — creating a configuration class
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Time for action — adding our configuration file to Bones
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Application hosting with PHP Fog
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Replicating local data to production
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Time for action — replicating our local _users database to Cloudant
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What's next?
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Summary
1
Pop quiz — Answers
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Pop quiz — Answers
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Chapter 2, Setting up your Development Environment
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Chapter 3, Getting Started with CouchDB and Futon

Time for action — creating the class structure of Bones

Let's start building out the Bones class by adding the following code to the lib/bones.php file inside our working directory:

/Library/Webserver/Documents/verge/lib/bones.php 

<?php
class Bones {
private static $instance;
public static $route_found = false;
public $route = '';
public static function get_instance() {
if (!isset(self::$instance)) {
self::$instance = new Bones();
}
return self::$instance;
}

What just happened?

We just created our Bones class, added a few private and public variables, and a strange function called get_instance(). The private static variable $instance, mixed with the function get_instance(), forms something that is called The Singleton Pattern.

The Singleton Pattern allows our Bones class to not just be a simple class, but also to be one object. This means that each time we call our Bones class, we are accessing a single existing object. But if the object does not exist, it will create a new one...

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