This year's PHP Advent calendar has finished up and if you haven't gotten a chance to check out some of the great content in this year's edition, be sure to take a look at the full list. It incudes topics like:

• Front-end testing with SimpleTest
• Scalable applications
• Cross-origin ajax
• working with Chef
• Error handling
• Dates and Times

The articles are by several well-knowns both in the PHP community and outside. While you're there, be sure to check out some of the previous years too!