Test Your PHP basics Knowledge - Can You Ace Our 25-Question Quiz?

1/25 Which of the following extensions is a correct PHP file extension?

2/25 What does a semicolon indicate?

3/25 Which is the correct way to start a single line PHP comment?

4/25 How do you output "Hello W3docs" in PHP?

5/25 An array is a special variable that is capable of holding more than one value at a time.

6/25 The (2>0 || 4>5) condition will return

7/25 When is the default case of switch statement executed?

8/25 Which function in PHP is used to read the content of a file?

9/25 In PHP, which operator is used for object comparison?

10/25 How do you handle exceptions in PHP?

11/25 Which global variable in PHP holds information about headers, paths, and script locations?

12/25 Which PHP function is used to check if a variable is an array?

13/25 What is the correct way to include a file in PHP without causing a fatal error if the file is missing?

14/25 Which PHP function is used to sort an array in descending order?

15/25 What is the correct way to declare a PHP interface?

16/25 Which PHP function is used to send a custom HTTP header?

17/25 In PHP, which function can you use to convert a string to an integer?

18/25 Which statement is true about PHP namespaces?

19/25 Which PHP function is used to generate a unique identifier?

20/25 What does the 'final' keyword do when applied to a class method in PHP?

21/25 Which of the following is NOT a valid visibility keyword in PHP?

22/25 Which function in PHP is used to get the length of a string?

23/25 What is the purpose of the 'array_merge()' function in PHP?

24/25 How do you declare an indexed array in PHP?

25/25 What is the use of the 'empty()' function in PHP?