Test Your Knowledge: Questions

Question 6-1

What is the difference between a numeric and an associative array?

Question 6-2

What is the main benefit of the array keyword?

Question 6-3

What is the difference between foreach and each?

Question 6-4

How can you create a multidimensional array?

Question 6-5

How can you determine the number of elements there are in an array?

Question 6-6

What is the purpose of the explode function?

Question 6-7

How can you set PHP’s internal pointer into an array back to the first element of the array?

See the section Chapter 6 Answers in Appendix A for the answers to these questions.

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