The title is a bit of a red herring as PHP has more than 9 magic methods, but these will get you off to a good start using PHP's magic methods. It might be magic, but no wands are required!
This post forms part of a series of articles about using PHP to do objected oriented programming, or OOP. They were originally published elsewhere but are no longer available at that location, so I'm reposting them here. Previously in the series was an introduction to OOP in PHP, in two parts