Self-Test Questions in PHP Language For Beginners Part 3

1. Is PHP case sensitive or case insensitive?
2. What are spaces, tabs, linefeeds, and some other nonalphanumeric/punctuation characters collectively known as?
3. What does PHP do with whitespace?
4. What is a numeric variable?
5. What is a string variable?
6. How can you include quotation marks in a string that are of the same type that enclose the string (and also include special characters in a string)?
7. What is a heredoc string?
8. Do PHP environment variables permanently retain the type they are initially assigned?
9. How can you force PHP to store a certain type of value in a variable?
10. How can you easily use a variable’s value within a string without first breaking the string up into smaller parts?

Self-Test Questions in PHP Language For Beginners Part 3