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PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

By : Bierer
4.1 (8)
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PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

4.1 (8)
By: Bierer

Overview of this book

PHP 7 comes with a myriad of new features and great tools to optimize your code and make your code perform faster than in previous versions. Most importantly, it allows you to maintain high traffic on your websites with low-cost hardware and servers through a multithreading web server. This book demonstrates intermediate to advanced PHP techniques with a focus on PHP 7. Each recipe is designed to solve practical, real-world problems faced by PHP developers like yourself every day. We also cover new ways of writing PHP code made possible only in version 7. In addition, we discuss backward-compatibility breaks and give you plenty of guidance on when and where PHP 5 code needs to be changed to produce the correct results when running under PHP 7. This book also incorporates the latest PHP 7.x features. By the end of the book, you will be equipped with the tools and skills required to deliver efficient applications for your websites and enterprises.
Table of Contents (16 chapters)
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15
Index

Converting between PHP and XML


When considering a conversion between PHP native data types and XML, we would normally consider an array as the primary target. With this in mind, the process of converting from a PHP array to XML differs radically from the approach needed to do the reverse.

Note

Objects could also be considered for conversion; however, it is difficult to render object methods in XML. Properties can be represented, however, by using the get_object_vars() function, which reads object properties into an array.

How to do it...

  1. First, we define an Application\Parse\ConvertXml class. This class will holdthe methods that will convert from XML to a PHP array, and vice versa. We will need both the SimpleXMLElement and SimpleXMLIterator classes from the SPL:

    namespace Application\Parse;
    use SimpleXMLIterator;
    use SimpleXMLElement;
    class ConvertXml
    {
    }
  2. Next, we define a xmlToArray() method that will accept a SimpleXMLIterator instance as an argument. It will be called recursively and will...

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PHP 7 Programming Cookbook
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