Weekly roundup: International Workers' Day

Today is International Workers' Day, at least in most of the Western countries. It's Sunday, so we do not really have an additional day of vacation, but the spirit's the same. May your job fulfill you, as work is an undeniable part of our lives.

Here are my original articles published this week.
Practical PHP Testing Patterns: Testcase Superclass is a solution for sharing code between Testcase Classes via inheritance.
The Gang of Four patterns as everyday objects is a list of metaphors and pictures to explain the GoF design patterns meaning without a line of code.
Practical PHP Testing Patterns: Test Helper is an alternative to Testcase Superclass which favors composition over inheritance.
All you want to know about Web Storage is an essay on the Api and characteristics of Web Storage, which is a form of local storage in web browsers specified along with HTML 5.