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Product details
File Size: 8628 KB
Print Length: 340 pages
Publisher: Packt Publishing (December 8, 2011)
Publication Date: December 8, 2011
Sold by: Amazon Digital Services LLC
Language: English
ASIN: B006JM6TCG
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Very disappointed with this book. If you're not already familiar with jQuery, this book will teach you some very poor coding habits, like building placeholder blocks of HTML into your markup rather than generating them dynamically with JS, not to mention the bloated and unnecessary code to do simple things. The PHP in the book is also disappointing, providing almost no server side functionality, and even less in regards to "practical" server side functionality.None of these recipes provide anything of a dynamic nature, relying mostly on static chunks of HTML in place of server side data.Formatting is also a mess. Code is scattered and in some cases, missing.Also, at least 1/3 of the source code is omitted from the publisher's downloadable files. It's sad when books like this pass a publisher's standards.
The sub-title for this book, "Over 60 simple but incredibly effective recipes to Ajaxify PHP websites" is accurate, and if that is what you are looking for, then this book does a good job delivering on it. Many programming training books take you through a single project from start to finish to help the reader gain a deeper understanding of the language or techniques being employed. This is not that style of book. Although the entire volume does flow together for the most part, it seems to work better as a reference to solve a particular problem, or as the title would suggest, a cookbook where you pick the recipe for the task you wish to complete.I feel it is important to note that a book like this is not for novices. Before reading this book, the reader should already be comfortable with PHP and the server end of their application. The reader would hopefully have a basic understanding of JavaScript structure or at least the jQuery JavaScript library which is used for the vast majority of examples in this book. Without this understanding going in, I fear that the reader will be faced with a great deal of confusion and frustration when trying to understand and learn from the examples given. As some newbies may not be aware, it is necessary to employ JavaScript to use AJAX functionality.Chapter 1 uses a variety of JavaScript libraries to complete an assortment of AJAX tasks commonly requested in modern web applications. It helps to show some of the strengths and weaknesses of the different libraries. After chapter 1, the jQuery library will be used for all examples.Chapter 2 shows possible solutions to several common tasks using the jQuery library and AJAX functionality such as form validation, auto-suggest, file uploading, a rating system and pagination. Many of the solutions simply employ the use of a jQuery plug-in to do the heavy lifting. This is fine if your goal is to accomplish the task at hand in an efficient manner. Although each section contains a "How it works..." paragraph, if your goal is to learn and understand WHY it works, this chapter will leave you wanting more.Chapter 3 continues where chapter 2 ended and addresses tasks such as tool tips, auto-complete, tabbed navigation, an image slider, using a lightbox, drag and drop functionality, a simple shopping cart, and some animation. As in chapter 2, you will not really be doing any programming. You will be using jQuery plugins and the jQuery UI (User Interface) library to accomplish these tasks. Again, there is not anything wrong with this approach if you simply want to add some AJAX functionality to your website.Chapter 4 covers some more advanced AJAX utilities that will be used on fewer websites such as using a Comet server for live chat, using Google's API to create charts, a very basic OCR (Optical Character Recognition) with very limited practical use, displaying data.Chapter 5, 6 and 7 seems to take a departure from the previous intended audience. I found these chapters to be filled with useful techniques for debugging and optimizing the JavaScript used for the AJAX functionality. They go over more advanced techniques beyond simply making a plugin work. If the reader does not have an adequate understanding of JavaScript and AJAX by this point, I fear that this chapter would largely be lost on them.Chapter 8 gives a very brief overview of web services and the most popular formats of them in use at this time. It gives examples of one way to access the API (Application Programming Interface) for Flickr, Twitter, and a few of Google's web services. Some of the examples use PHP on the server side (using CURL), and some use a client side JavaScript interface. I feel that it is important to note that the examples shown are not the only ways to interact with these API's. I do have to point out that there is one rather interesting subject covered in this chapter. The book shows an example of how to locate addresses (retrieved from your database) within certain radius of a certain location using Google's map API.Chapter 9 covers some basics to keep in mind when beginning to create a version of your web application targeting mobile devices, specifically the iPhone. It briefly covers a couple mobile JavaScript frameworks that assist with this task. This chapter also covers a service called PhoneGap, which allows conversion of HTML, CSS and JavaScript into a native phone application.In summary, when deciding whether this is a good book for you to purchase, you must really examine what it is that you hope to learn. If you have a solid grasp on the PHP needed for your application, have a basic knowledge of JavaScript and simply want to add some cool effects to your site, then you will probably be very pleased with this book. If you choose to learn more about JavaScript and AJAX from other resources, then the later chapters will also be of use to you. If you are brand new to JavaScript and AJAX, or if you want to build a deep understanding of JavaScript, AJAX or jQuery with the intention of being able to build customized functionality for your website, then this is probably not the best book for you. There are many fine publications that can take you from novice to adept programmer, but that is not the goal of this book. After all, you don't read a cookbook to learn how to cook.Disclosure: I was provided with a free copy of this book in return for reviewing it.
I recently finished reading my first "cookbook" style programming book: PHP Ajax Cookbook: This is my first cookbook review, so I thought I'd start by clarifying what this is and is not. It is not a textbook-style book, similar to "Learn Ajax in 21 days". It is also not a reference book that you can sit on your bookshelf and pull down when you need to look something up. It's a survey of a wide variety of basic techniques that can be implemented with Ajax techniques and how they're done. You should be familiar with both PHP, JavaScript, and CSS before picking this up, or you will get REALLY lost.With that said, I thoroughly enjoyed this book. I recommend going ahead and downloading the source code files (there's a registration, but it's painless). Some examples are fairly lengthy, and you'll want the source code handy. In fact, this book is between 30% and 50% code!The layout of the book is chapter around a main concept. Each chapter has several sections, each devoted to a single example. For every example, several things are provided: an overview of what the goal is, the code to implement a simple example (enough for you to build a real-world product), an explanation of how it works, often nearly line-by-line, and a "There's more..." section that gives you additional resources and ideas.Chapter 1 gives you a quick orientation to JavaScript libraries that will make doing Ajax a lot easier. The practical examples will give you a sense of the style of jQuery, Ext JS, MochiKit, Dojo, YIU, MooTools, and prototype.js. You'll have to learn them on your own, but you will get a sense of how they work, and what they're like. The authors use jQuery for the rest of the book. It's worth using one of these libraries, because raw JavaScript makes doing Ajax calls awkward. The elegance these provide for coding is worth the effort.Chapter 2 goes over basic Ajaxy things. Form validation (really just jQuery form validation), autosuggest (similar to Google's search), creating a multi-step form wizard, file updload, multi-file upload using Ajax + Flash, implementing a 5-star rating system, etc. The purpose of this chapter is to expose you to how easy Ajax effects are to implement. It's generally a simple combination of CSS and small bits of jQuery that have a powerful effect.Chapter 3 looks heavily at the extensions that are available for jQuery. Often there are several options (with links provided) of which one is chosen for demonstration purposes. If you're interested in using jQuery, this chapter will provide you with a wealth of resources to give you ideas for cool things you can do. Examples include an image slider, a Lightbox image loader, a shopping cart, and data sorting/filtering.Chapter 4 pushes this further, showing how to create a chat system and how to decode a simple CAPTCHA using the HTML5 canvas element. These examples are very detailed and will give you a solid idea of the power that is present. One of the key things you will learn is how to do this without using excessive Ajax calls. You can easily kill a server's bandwidth with the "obvious" solution. Thi shows you how to avoid that.Chapter 5 goes in a completely different direction: debugging. It discusses using Firebug and FirePHP, including the details of how to set both up, in Firefox. It discusses the IE developer toolbar. Memory leaks are dealt with in detail, as are how to deal with various timing issues that can crop up. If you've done PHP/HTML/JavaScript debugging, you already know how annoying this can be. I picked up several tricks, and I thought I was Firebug-savvy!Chapter 6 discusses optimization issues, including the use of Yslow. It's very easy to make an Ajax site that works poorly, so these tips will help a lot. It discusses where to place sections of code, caching concerns, etc. Most of these are tips you can find in numerous other sites, but they are nicely consolidated, here.Chapter 7 discusses other best practices, including security concerns and how to address SEO concerns when dealing with dynamic content. Having SEO friendly content means having static content with fixed URL's for each content item. Having Ajaxy content is basically the opposite. This chapter has numerous tips on how to satisfy both requirements, so users can easily find your content.Chapter 8 discusses ways to use various services that have API's, such as Flickr, Twitter, and Google Maps. These are techniques that can make a website "pop", such as getting a list of nearby restaurants with a map, a customized twitter feed, or image search. As usual, you won't learn the full API, but you will learn the basic techniques for leveraging these APIs on your own site.Chapter 9 was the most surprising for me. Building iPhone apps using html, Ajax, and PhoneGap. It can also be used for building Android apps, but the authors focused on the iPhone. PhoneGap is a tool that lets you compile an HTML/Ajax page into a native app for the iPhone, Android, etc. It's a tool I'd never heard of, but offers a huge amount of options for the mobile development market.I enjoyed the book. There's a TON of information here, and the timing was ideal, as I'll be designing a new PHP/Ajax app for my job at work. Topics range from basics of using a framework, to quality layouts, to security concerns. The details will be found elsewhere, but the core ideas are all in here.
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