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Learning PHP Data Objects: A Beginner's Guide to PHP Data Objects, Database Connection Abstraction Library for PHP 5 [Englisch] [Taschenbuch]

Dennis Popel

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Kurzbeschreibung

30. August 2007
This book starts with an overview of PHP Data Objects (PDO), followed by getting started with PDO. Then it covers error handling, prepared statements, and handling rowsets, before covering advanced uses of PDO and an example of its use in an MVC application. Finally an appendix covers the new object-oriented features of PHP 5. This book will guide you through the data layer abstraction objects in PHP. PHP developers who need to use PDO for data abstraction.

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Synopsis

This book is for PHP developers who need to use PHP Data Objects (PDO) for data abstraction. Covering an overview of PDO, getting started, error handling, prepared statements, handling rowsets, advanced uses, and use in an MVC application, it first describes the topic, then gives step-by-step instructions for a particular example. A final appendix covers the object-oriented features of PHP 5. Readers should be familiar with PHP and aware of the basics of data abstraction. Lighter, faster, more powerful than existing data abstraction interfaces, PDO is an open-source query abstraction layer for accessing databases and manipulating returned records that is used with a database-specific PDO driver to access a particular database. It has the same role as classic database abstraction layers such as ODBC and JDBC. PDO ships with PHP 5.1, and is available as a PECL extension for PHP 5.0; PDO requires the new OO features in the core of PHP 5, and so will not run with earlier versions of PHP.

Über den Autor und weitere Mitwirkende

Dennis Popel is an experienced PHP/PHP5 developer currently working for an Australian web development company, Motive Media (www.motivemedia.com.au). Serving Sun Microsystems Australia, Luna Park Sydney, Alsco Holdings and Pine Solutions, amongst others, Dennis leads company development of proprietary, web-based, software solutions. In his spare time, he runs the onPHP5.com blog and works on an online RSS aggregator NewzMix. Dennis Popel has been developing with PHP for more than 5 years and is experienced in such fields as object-oriented design and MVC. Previously he has worked at Rapid Intelligence, another Australian-based web company, publisher of such popular titles as NationMaster.com, FactBites.com and Qwika.com. In the past, Dennis was developing proprietary Java applications. This book is devoted to all the people that introduced and guided me in this wonderful world of information technology.

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Amazon.com: 4.0 von 5 Sternen  5 Rezensionen
5 von 6 Kunden fanden die folgende Rezension hilfreich
4.0 von 5 Sternen Good but a touch disappointed 18. Juli 2008
Von William E. Reveal - Veröffentlicht auf Amazon.com
Format:Taschenbuch
This is a good start for PDO. The examples and methodology used to present the concepts for using PDO were very useful. The book steps you from the basic use of PDO in chapter 2, through error handling and a good discussion of prepared statements, on to the more advanced topics of PDO settings and transactions.

I felt transactions needed better treatment, including the fact that MySQL only does transactions with certain table types such an InnoDB. His examples in this chapter do not show he is using a transaction friendly table type for MySQL (sqlite is always). Nor does he explain why you would want to even use PDO transactions when your table type is not transaction friendly - it is implied that there is no benefit.

He finishes the discussion in chapter 7 by modifying his examples to better fit the MVC paradigm. Personally, I feel he should have just started with it instead of trying to modify the code but that is my prejudice. If he had, he might have had more room for those things he left out <rolls eyes>.

If this book had not been published by Packt, I would have been very disappointed in the content vs price - $40 for 154 pages on the topic. Since Packt does contribute to open source projects based on the book's subject, I kind of forgive the cost.

However, the multiple times the author says "outside the scope of this book" kept reminding me that I paid $40 for such a short book. At least one time, I would have really liked to see more discussion regarding something he said was outside the scope, as if the book was already 900 pages long. I do give kudos to the author of at least having an appendix on OOP considering PDO is all about OOP - although I would have much more preferred to have also seen OOP techniques used throughout the code examples instead of a minor comment.

One other minor gripe I had, the use of short tags <?= ?> instead of <?php echo ?> throughout the code examples. It drove me crazy since I can't use them and really wish I could (XML compatibility issues). And it also kept reminding me that the use of <?= is to save space and good grief, not like this book needed to save space. Anyone trying to use this code to learn will have to modify it if their php settings have short_tags off.
5.0 von 5 Sternen Good book 27. März 2013
Von eatnut - Veröffentlicht auf Amazon.com
Format:Taschenbuch|Verifizierter Kauf
As a PHP and MySql beginner, I skip the mysqli API and go directly to PDO with this book, it explains with the example and very easy to understand, I finished reading this book within two weeks. I recommend this book for beginner and intermediate readers.
1 von 2 Kunden fanden die folgende Rezension hilfreich
4.0 von 5 Sternen Great book if you're looking for a fast overview 2. Januar 2009
Von Pskin99 - Veröffentlicht auf Amazon.com
Format:Taschenbuch
This book is targeted for PHP developers that are moving to PHP Data Objects (PDO) introduced in PHP 5. If you have limited experience with Object Oriented Programming (OOP), the book includes an appendix with almost 20 pages of OOP instruction with lot of PDO examples. If you don't need the OOP lesson, there are 154 pages dedicated to PDO.

The benefit of spending nearly $40 on 154 pages is to rapidly experience the benefits of PDO though lots of examples. If you're an advanced php developer, this book may not be for you. If you have limited experience with OOP and/or need a quick boost, this book has my recommendation.
0 von 1 Kunden fanden die folgende Rezension hilfreich
4.0 von 5 Sternen Good Introductory Tutorial, a little overpriced 25. Februar 2009
Von MediaWiki Guru - Veröffentlicht auf Amazon.com
Format:Taschenbuch
I recently purchased this book with the primary objective of learning more about the PDO extension for PHP. As an intermediate level PHP programmer, I was not disappointed.

The book is well-written as an introductory tutorial, and walks you through the development of a simple library management application using the PDO extension of PHP for the database interface. There are a few typos, but nothing that someone familiar with PHP programming couldn't catch; however, the typos would interfere with this book being used as an introductory tutorial.

After reading this book and working through the tutorial, I am definitely able to implement the principles learned through this book, and feel that I picked up enough basics about PDO to be able to expand my knowledge on the subject with little enough effort.

In the past I've been rather disappointed in the technical books I've purchased that were published by Packt Publishers -- they've been plagued with typos and are generally overpriced for the breadth and depth of material covered; however this book came much closer to being worth the purchase price.
0 von 2 Kunden fanden die folgende Rezension hilfreich
3.0 von 5 Sternen Could have been a smaller book considering the material presented. 28. Januar 2010
Von John Brunton - Veröffentlicht auf Amazon.com
Format:Taschenbuch
This book isn't too bad for learning about PDO but the main disappointment I have with it is zero coverage of accessing stored procedures using PDO. I liked Chapter 7 - an advanced example in how to set up a MVC application. This is more real world but real world, or rather corporate applications would not put SQL code within program code. It would be placed in a stored procedure. That way, you only grant execute permissions to the procedures instead of Select, Insert, Update, Delete to the tables. Since it is the only book I know of on the subject, it is worth the money.
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