PHP module 01 - Introduction to PHP and Web Development Basics

1. What does PHP stand for?

a) Personal Home Page
b) Preprocessed Hypertext Page
c) PHP: Hypertext Preprocessor
d) Private Hosting Protocol

2. Which of the following is the correct way to start a PHP script?

a) <php>
b) <?php ... ?>
c) <script>
d) <?php>>

3. PHP files have the default file extension:

a) .html
b) .php
c) .xml
d) .js

4. Which of the following statements prints "Hello, World!" in PHP?

a) print("Hello, World!");
b) echo "Hello, World!";
c) Console.Write("Hello, World!");
d) printf("Hello, World!");

5. Which of the following is a valid variable name in PHP?

a) $1var
b) $_varName
c) var-name
d) @var

6. What is the correct way to comment in PHP?

a) /* This is a comment */
b) // This is a comment
c) # This is a comment
d) All of the above

7. Which function is used to display content on the web page in PHP?

a) display()
b) echo()
c) show()
d) printscreen()

8. PHP is a ____ language.

a) Client-side scripting
b) Server-side scripting
c) Markup
d) Styling

9. Which PHP function is used to get the type of a variable?

a) typeof()
b) gettype()
c) var_type()
d) checktype()

10. Which of the following data types does PHP support?

a) Integer
b) String
c) Boolean
d) All of the above

11. What will be the output of echo 5 + "10";?

a) 510
b) 15
c) Error
d) Undefined

12. Which function is used to check if a variable is set in PHP?

a) isset()
b) exists()
c) checkvar()
d) isdefined()

13. How do you declare a constant in PHP?

a) define("PI", 3.14);
b) $PI = 3.14;
c) constant("PI") = 3.14;
d) setConstant("PI", 3.14);

14. What is the default data type of a variable in PHP?

a) String
b) Integer
c) Float
d) It depends on the value assigned

15. Which function is used to convert a string to lowercase in PHP?

a) tolowercase()
b) strtolower()
c) stringLower()
d) lower()

16. What will echo strlen("PHP Course"); output?

a) 9
b) 10
c) 11
d) Error

17. What is the output of echo (true && false);?

a) true
b) false
c) 1
d) 0

18. PHP scripts are executed on:

a) Client-side
b) Server-side
c) Both client and server
d) Browser

19. Which PHP function is used to get the current date?

a) date()
b) getDate()
c) current_date()
d) today()

20. What will echo 10 / 2; output?

a) 10
b) 5
c) 2
d) 0

Wait for 20 seconds...

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