Since its introduction in 1998, XML has become an indispensable technology for exchanging data and operating across heterogeneous systems. Whether you’re sharing calendar events, importing syndication feeds, or querying an external API, XML is usually one of the formats available for consumption. Early versions of PHP provided extensions for working with XML, but it wasn’t until the introduction of SimpleXML, DOM, XMLReader, and XMLWriter in PHP 5 that working with XML was streamlined. XML Parsing with PHP, edited and produced by php[architect], provides a comprehensive survey of the classes and functionality available for working with XML. This edition covers parsing and validating XML documents, leveraging XPath expressions, and working with namespaces as well as how to create and modify XML files programmatically. Each chapter contains examples illustrating how to use the different XML extensions at your disposal. Topics covered: 
<ul>
<li>SimpleXML</li> <li>DOM</li> <li>XMLReader &amp; XMLWriter</li> <li>XML Basics</li> <li>Namespaces in XML documents</li> <li>Working with syndication feeds</li> <li>REST, SOAP, and WSDL</li> <li>Validation with DTDs, RelaxNG, and XML Schema</li> </ul> Written by PHP professional John M. Stokes, this book provides an easy-to-use reference for working with XML.

XML Parsing with PHP: a php[architect] guide

Computers & Technology

Bruce, Kevin Hamilton

Stokes, John M

Web Development & Design

php[architect]

Many languages have embraced Functional Programming paradigms to augment the tools available for programmers to solve problems. It facilitates writing code that is easier to understand, easier to test, and able to take advantage of parallelization making it a good fit for building modern, scalable solutions.
PHP introduced anonymous function and closures in 5.3, providing a more succinct way to tackle common problems. More recent releases have added generators and variadics which can help write more concise, functional code. However, making the mental leap from programming in the more common imperative style requires understanding how and when to best use lambdas, closures, recursion, and more. It also requires learning to think of data in terms of collections that can be mapped, reduced, flattened, and filtered.
Functional Programming in PHP will show you how to leverage these new language features by understanding functional programming principles. With over twice as much content as its predecessor, this second edition expands upon its predecessor with updated code examples and coverage of advances in PHP 7 and Hack. Plenty of examples are provided in each chapter to illustrate each concept as it's introduced and to show how to implement it with PHP. You'll learn how to use map/reduce, currying, composition, and more. You'll see what external libraries are available and new language features are proposed to extend PHP's functional programming capabilities.

Functional Programming in PHP (2nd ed): a php[architect] guide

Holywell, Simon

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