PHP quiz

Test your PHP knowledge with a free interactive quiz — 24 questions with answers and explanations. No signup needed to play.

What is the difference between an indexed and an associative array in PHP?

1. What is the difference between an indexed and an associative array in PHP?
2. How do you write a single-line comment in PHP?
3. What is PHP primarily used for?
4. How does PHP typically embed into HTML?
5. How do you define a function in PHP?
6. What does `include` (or `require`) do?
7. Is PHP loosely or strictly typed by default?
8. What does `$_SESSION` provide?
9. What does `echo` do in PHP?
10. What is Composer in PHP?
11. What are $_GET and $_POST in PHP?
12. How are variables written in PHP?

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