Site News: Blast from the Past - One Year Ago in PHP

Here's what was popular in the PHP community one year ago today:

• Elated.com: Object-Oriented PHP: Working with Inheritance
  
• PHPBuilder.com: Tracking User Activity in PHP with Cookies and Sessions
  
• Shameer Chamal's Blog: Tutorial : Simple ajax validation for Kohana
  
• Box UK: Unboxing: Silex
  
• Michelangelo van Dam's Blog: Book Review: PHP Development in the Cloud
  
• Omar Abdallah's Blog: Installing LAMP with PHP 5.3.6 on Ubuntu 11.04 Natty Narwhal
  
• NetTuts.com: Easy Authentication with CodeIgniter
  
• Zend Developer Zone: Caching of Zend Framework application configuration file
  
• DZone.com: PHP Tool Integration (PHPsrc)
  
• Symfony Blog: Symfony2: Annotations gets better
  
• Justin Carmony's Blog: MySQL, Redis, and a Billion Rows - A Love Story
  
• Jani Hartikainen's Blog: You don't need a service layer: Fat controllers are okay
  
• Christian Weiske's Blog: How to integrate PHP_CodeSniffer with Git repositories?
  
• Slawek Lukasiewicz's Blog: Zend Framework: logging with Firebug and FirePHP
  
• Till Klampaeckel's Blog: Yahoo: oauth_problem=consumer_key_rejected