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 Gravatars to our application


Adding support for Gravatars through our user class is as easy as adding a few lines of code. After that, we'll add the gravatar function all over our application.

  1. 1. Open user/profile.php and a public function called gravatar that accepts a parameter called size; we'll give it a default value of 50.

    public function gravatar($size='50') {
    }
    
  2. 2. In order to get the users' Gravatar, we just need to create an md5 hash of a user's e-mail address, which will serve as the gravatar_id. We'll then set the size using our $size variable, and append all of that to Gravatar's web service URL.

    public function gravatar($size='50') {
    return 'http://www.gravatar.com/avatar/?gravatar_id=' .md5(strtolower($this->email)).'&size='.$size;
    }
    
  3. 3. That's it! We now have Gravatar support in our application. We just need to start adding it anywhere we want to see a profile image. Let's start by adding a large Gravatar into the User Information section at...