It has been a while, but here is part 4 of the PHP Quiz series! A few questions to crack your brain about, or perhaps you know them all? Try them and find out! Also do read the idea behind these quizzes, here: The PHP Quiz series
In this quiz he tests your knowledge of class visibility, fluent method handling, class extension, strptime and a tricky "for" loop. Take the quiz and see how you do.