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No Nonsense XML Web Development with PHP
Alex Moskalyuk writes "PHP and XML seems like a marriage made in heaven. Powerful manipulation functions and support on the core language level in PHP5 combined with universal extensibility of XML make it a technology of choice for quite a few Web enthusiasts and companies out there. However, anyone inspired by PHP's ease of use can probably find a good cure from insomnia when facing with XML specs. With all the DTD's, XML Schemas, XSLT and XPath queries one can easily get the impression that the world is changing on them, and perhaps sticking to hard-coded HTML with PHP statements combined with SQL statements for data retrieval would be within the zone of comfort." Read the rest of Alex's review.
No Nonsense XML Web Development with PHP
author
Thomas Myer
pages
354
publisher
SitePoint
rating
9/10
reviewer
Alex Moskalyuk
ISBN
097524020X
summary
XML, XSLT, XPath and DOM primer for PHP developers
Thomas Myer's No Nonsense XML Web Development with PHP is an XML primer for those who have been exposed to PHP, but are yet waiting to appreciate the elegance of PHP+XML solutions. Throughout 10 chapters and 2 appendices Myer is introducing the reader to different aspects of XML, their best-practice implementations in LAMP (where last P stands for PHP) environment, and their relevance to the real world. For the real-world example Myer decides to guide the reader through writing a custom content management system - complete with publishing/admin interface, templating/presentation layer, search engine, RSS feeds and other commonly expected features.
The book is not an introduction to PHP, but it does assume that the Web developer knows what XML is, but has never dealt with it. So the first chapter just talks about properly parsing XML with IE and Firefox, validating an XML document, differences between a well-formed and a valid XML document. Overall, it provides a very good introduction to XML for someone who has never dealt with it, and could probably be skipped by developers with XML exposure.
Chapter 2, XML in Practice, goes into nitty-gritty details of XML, and 26 pages later the reader knows how to create an XML file to display in the browser, declare proper namespaces, attach a CSS file to existing XML file and display the proper XML+CSS file (look, Ma, no <html>!) in the browser. The author earns instant geek credibility by displaying Firefox screenshots, with the exception of IE screenshot whenever IE is discussed. At the end of the chapter the author takes us through the basic XSLT.
DTD's, XSLT and writing a practical PHP app take up the next three chapters, followed by XML manipulation chapters. JavaScript enthusiasts will probably find Chapter 6 pretty useful, as it discusses manipulating XML on the client side, working with XSLT, and creating dynamic site navigation based on the XML source. Chapter 7 is what one would expect from the book that has the words PHP and XML in the title - discussion of SAX, DOM and SimpleXML parsers, examples of their implementation, discussion of proper use cases for each one of the technologies. The SimpleXML subchapter also contains a good primer on XPath - a query language that allows the developer to provide the parser with a query to navigate down the XML document.
Chapter 8 takes the reader through RDF and RSS, discusses the ways the syndication feeds are used on the Web nowadays. Since throughout all these chapters we're building a content management system, this is the right time to add the RSS headlines functionality to the site. The next chapter discusses another practical implementation of XML on the Web - XML-RPC calls between the sites and proper ways of exchanging data via XML Web services. The chapter discusses SOAP, although not a whole lot, and just mentions REST as another way to implement Web Services. As a practical exercise, the author takes readers on a tour of building an XML-RPC client, server and connecting those two together.
The last chapter talks about using XML with databases. Native XML databases are discussed, but let's face it - most of the PHP development is done with relational databases anyway. Myer talks about exporting MySQL database contents into XML with phpMyAdmin and mysqldump. The first appendix includes function reference for SAX, DOM and SimpleXML parsing in PHP, while the second one completes the CMS project by providing the rest of the necessary files.
I found the author's style very easy to follow and approachable. The code samples are succinct and to the point, there are also no generic discussions, such as "Why PHP?" The project chosen for the practical implementation is a bit boring, but at the same time quite real-world. The screenshots are clear, and code examples are nicely highlighted. The errata is provided on the book Web site. Code archive is available as a single file download as well. The book site also provides 100% money back guarantee (less shipping and handling fees) to anyone who bought the title, and didn't feel like they were getting their money's worth.
However, there are a few drawbacks that I noticed as well. With topics like XSLT and XPath broken into several chapters and discussed in smaller chunks, it's hard to use the book as a reference later on. Appendix A with PHP function reference for XML parsing hardly seems like a worthy addition, since PHP manual page on the subject contains equivalent information with more real-life examples contributed by users.
With all that, the book is quite informative, educational and useful. The author manages to tackle quite a few difficult topics in 260 pages provided to him (the count excludes preface and appendices). However, kudos to the author for writing chapters on XML without sounding boring, redundant or too academic. I would highly recommend this book to anyone interested in developing PHP-driven Web sites that provide or consume Web services, work with XML data or generate XML for others to use."
You can purchase No Nonsense XML Web Development with PHP from bn.com. Slashdot welcomes readers' book reviews -- to see your own review here, read the book review guidelines, then visit the submission page.
Thomas Myer's No Nonsense XML Web Development with PHP is an XML primer for those who have been exposed to PHP, but are yet waiting to appreciate the elegance of PHP+XML solutions. Throughout 10 chapters and 2 appendices Myer is introducing the reader to different aspects of XML, their best-practice implementations in LAMP (where last P stands for PHP) environment, and their relevance to the real world. For the real-world example Myer decides to guide the reader through writing a custom content management system - complete with publishing/admin interface, templating/presentation layer, search engine, RSS feeds and other commonly expected features.
The book is not an introduction to PHP, but it does assume that the Web developer knows what XML is, but has never dealt with it. So the first chapter just talks about properly parsing XML with IE and Firefox, validating an XML document, differences between a well-formed and a valid XML document. Overall, it provides a very good introduction to XML for someone who has never dealt with it, and could probably be skipped by developers with XML exposure.
Chapter 2, XML in Practice, goes into nitty-gritty details of XML, and 26 pages later the reader knows how to create an XML file to display in the browser, declare proper namespaces, attach a CSS file to existing XML file and display the proper XML+CSS file (look, Ma, no <html>!) in the browser. The author earns instant geek credibility by displaying Firefox screenshots, with the exception of IE screenshot whenever IE is discussed. At the end of the chapter the author takes us through the basic XSLT.
DTD's, XSLT and writing a practical PHP app take up the next three chapters, followed by XML manipulation chapters. JavaScript enthusiasts will probably find Chapter 6 pretty useful, as it discusses manipulating XML on the client side, working with XSLT, and creating dynamic site navigation based on the XML source. Chapter 7 is what one would expect from the book that has the words PHP and XML in the title - discussion of SAX, DOM and SimpleXML parsers, examples of their implementation, discussion of proper use cases for each one of the technologies. The SimpleXML subchapter also contains a good primer on XPath - a query language that allows the developer to provide the parser with a query to navigate down the XML document.
Chapter 8 takes the reader through RDF and RSS, discusses the ways the syndication feeds are used on the Web nowadays. Since throughout all these chapters we're building a content management system, this is the right time to add the RSS headlines functionality to the site. The next chapter discusses another practical implementation of XML on the Web - XML-RPC calls between the sites and proper ways of exchanging data via XML Web services. The chapter discusses SOAP, although not a whole lot, and just mentions REST as another way to implement Web Services. As a practical exercise, the author takes readers on a tour of building an XML-RPC client, server and connecting those two together.
The last chapter talks about using XML with databases. Native XML databases are discussed, but let's face it - most of the PHP development is done with relational databases anyway. Myer talks about exporting MySQL database contents into XML with phpMyAdmin and mysqldump. The first appendix includes function reference for SAX, DOM and SimpleXML parsing in PHP, while the second one completes the CMS project by providing the rest of the necessary files.
I found the author's style very easy to follow and approachable. The code samples are succinct and to the point, there are also no generic discussions, such as "Why PHP?" The project chosen for the practical implementation is a bit boring, but at the same time quite real-world. The screenshots are clear, and code examples are nicely highlighted. The errata is provided on the book Web site. Code archive is available as a single file download as well. The book site also provides 100% money back guarantee (less shipping and handling fees) to anyone who bought the title, and didn't feel like they were getting their money's worth.
However, there are a few drawbacks that I noticed as well. With topics like XSLT and XPath broken into several chapters and discussed in smaller chunks, it's hard to use the book as a reference later on. Appendix A with PHP function reference for XML parsing hardly seems like a worthy addition, since PHP manual page on the subject contains equivalent information with more real-life examples contributed by users.
With all that, the book is quite informative, educational and useful. The author manages to tackle quite a few difficult topics in 260 pages provided to him (the count excludes preface and appendices). However, kudos to the author for writing chapters on XML without sounding boring, redundant or too academic. I would highly recommend this book to anyone interested in developing PHP-driven Web sites that provide or consume Web services, work with XML data or generate XML for others to use."
You can purchase No Nonsense XML Web Development with PHP from bn.com. Slashdot welcomes readers' book reviews -- to see your own review here, read the book review guidelines, then visit the submission page.
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