Operators and variables are fundamental topics in the programming world, so if you are having trouble here you will need to get a fairly basic book to help you move on. Many programming books have skill level information written on back - check for one marked Beginner to make sure the book contains enough fundamental information to help you fully grasp the topics.
If this was helpful, please take a moment to tell others about Hacking with PHP by tweeting about it!
Next chapter: Next chapter >>
Previous chapter: Exercises
Home: Table of Contents
Copyright ©2015 Paul Hudson. Follow me: @twostraws.