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What's new in PHP V5.2, Part 1: Using the new memory manager
In Part 1 of this "What's new in PHP V5.2" series, learn how to use the new memory manager introduced in PHP V5.2 and become proficient at memory usage tracking and monitoring. This will enable you to more use memory in PHP V5.2 more efficiently. 		Articles 13 Mar 2007  
 
What's new in PHP V5.2, Part 5: Tracking file upload progress
PHP V5.2 added hooks for developers to take advantage of tracking file upload progress in real time. This article, Part 5 of a five-part "What's new in PHP V5.2" series, shows how to monitor file uploads and write code accordingly, with the creation of a PHP progress bar. 		Articles 15 May 2007  
 
What's new in PHP V5.2, Part 4: Using the new ZIP extension
ZIP? It's about time! PHP just added ZIP features to PHP V5.2. This article, Part 4 of a five-part "What's new in PHP V5.2" series, shows you how to make the most of this new feature by creating, editing, uploading and reading, and creating and downloading ZIP files. After reading this article, you will be well versed in the art of ZIP files using the latest ZIP PHP extension in PHP V5.2, so you can reduce bandwidth overhead or storage usage when handling large files with PHP. 		Articles 01 May 2007  
 
What's new in PHP V5.2, Part 3: Using the new JSON extension
PHP continues to evolve and incorporate useful standards as they are created and adopted among Internet application developers. PHP just added a JavaScript Object Notation (JSON) extension to PHP V5.2, which was previously only available as add-on framework classes. This addition provides PHP developers with better support for Ajax applications using JSON. This article, Part 3 of a five-part "What's new in PHP V5.2" series, shows how to use this application effectively, and after completing this article, you will be proficient at using the built-in JSON extensions with PHP for your Ajax applications. 		Articles 27 Mar 2007  
 
What's new in PHP V5.2, Part 2: Using the new input filtering extensions
In Part 2 of this "What's new in PHP V5.2," learn how to effectively use the new input filtering extensions provided by the new PHP V5.2. This is a much-needed feature that will allow you to validate inputs to forms and other input mediums without having to rely on third-party software. After reading this, you will be effective at filtering inputs to increase application security. 		Articles 20 Mar 2007  
 
What's new in PHP V5.3, Part 5: Upgrading from PHP V5.2
This "What's new in PHP V5.3" series covers new and exciting features in PHP V5.3, which is scheduled to release soon. Part 1 looks at the changes made to the object-oriented programming and object handling in PHP V5.3, Part 2 looks at lambda functions and closures. In Part 3, we look at namespaces, which is one of the most anticipated and the most debated feature in this release of PHP. In Part 4, we take a close look at Phar, which is an archive format that can be used within PHP. In this final part of the series, learn about things to consider when upgrading from PHP V5.2. There are changes that break backward-compatibility and features that are deprecated in PHP V5.3 for removal in future versions. Some enhancements to existing features within PHP are also covered. 		Articles 24 Feb 2009  
 
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