1. Review of 2 dimension arrays.

2. ?>"
The explanation of how to include the value of the array inside the string to display came from the PHP manual at

3. Doing your homework, I want you to set up a single array that will contain the message. This is one way to do it. There are other structures as well.

4. In the homework, I am asking for a nested while loop
In the homework, I am asking for a nested while loop. This is an example that I have covered on nested while loops.

5. This is an explanation of global from the PHP manual
This is an explanation of global from the PHP manual. You can see the entire handout in the weekly schedule.

6. An example where global is used on the variables in the function to give access to the global variables declared in the main program.

7. Passing two things to a function
Receiving the data at the function

8. Associative array