Weekly roundup: snowing and snowing

It's been snowing in Italy for several days this week. Working remotely however meant that it has almost no effect on my day-to-day activities, only on my presence at the university. Being able to work from home, when you can, may result in substantial money and time savings.

Here are my original articles published this week.
Practical PHP Testing Patterns: Four Phase Test - Arrange, Act, sssert, and Teardown.
Date and time in PHP 5, which shows you how to use the PHP native class DateTime.
Practical PHP Testing Patterns: Assertion Method
Zend_Validate for the win walks you through Zend_Validate out-of-the-box utilities and chains of validators.