PHP MCQs for Beginners

PHP MCQs for Beginners

1: Which of the following is NOT a valid PHP data type?

• a) String
• b) Integer
• c) Array
• d) Boolean

c) Array

2: What does PHP stand for?

• a) Personal Hypertext Processor
• b) Preprocessed Hypertext Pages
• c) PHP: Hypertext Preprocessor
• d) PHP Hypertext Page

c) PHP: Hypertext Preprocessor

3: Which of the following is the correct way to start a PHP script?

• a) <?php start ?>
• b) <?php
• c) <?start?>
• d) <?php>

b)

4: Which PHP function is used to open a file for reading?

• a) read_file()
• b) open_file()
• c) fopen()
• d) file_open()

c) fopen()

5: What is the correct operator for concatenating two strings in PHP?

• a) .
• b) +
• c) –
• d) *

a) .

6: What is the output of the following PHP code: echo strlen(“Hello World”); ?

• a) 10
• b) 11
• c) 12
• d) 13

b) 11

7: Which of the following is used to comment a single line in PHP?

• a) //
• b) /*
• c) #
• d) ;

a) //

8: Which of the following PHP functions is used to delete a file?

• a) delete_file()
• b) remove_file()
• c) unlink()
• d) file_delete()

c) unlink()

9: Which superglobal variable in PHP is used to retrieve information about HTTP cookies?

• a) $_SESSION
• b) $_COOKIE
• c) $_GET
• d) $_POST

b) $_COOKIE

10: What is the output of the following PHP code: echo 10 % 3; ?

• a) 1
• b) 3
• c) 7
• d) 0

a) 1

PHP MCQ Online Test

11: Which of the following is NOT a comparison operator in PHP?

• a) ===
• b) ==
• c) <>
• d) <=>

d) <=>

12: Which PHP function is used to redirect the user to a different URL?

• a) redirect()
• b) header()
• c) location()
• d) forward()

b) header()

13: What is the correct way to end a PHP statement?

• a) ;
• b) :
• c) .
• d) {

a) ;

14: Which PHP function is used to check if a file or directory exists?

• a) is_file()
• b) file_exists()
• c) exists()
• d) check_file()

b) file_exists()

15: What is the output of the following PHP code: echo strtoupper(“php is fun”); ?

• a) php is fun
• b) PHP is FUN
• c) PHP IS FUN
• d) php IS fun

c) PHP IS FUN

16: Which of the following is used to start a session in PHP?

• a) session_start()
• b) start_session()
• c) session()
• d) initiate_session()

a) session_start()

17: Which PHP function is used to retrieve the current date and time?

• a) date()
• b) time()
• c) now()
• d) current_datetime()

a) date()

18: What is the output of the following PHP code: echo 2 + “3”; ?

• a) 5
• b) 23
• c) 32
• d) Error

a) 5

19: Which of the following is used to define a constant in PHP?

• a) define()
• b) const()
• c) constant()
• d) set_constant()

a) define()

20: What does the PHP function “mysqli_connect()” do?

• a) Connects to a MySQL database
• b) Connects to a Microsoft SQL Server database
• c) Connects to a MongoDB database
• d) Connects to a PostgreSQL database

Answer: a)

PHP Exam Questions and Answers

21: What is the correct way to declare a PHP array?

• a) array(1, 2, 3)
• b) [1, 2, 3]
• c) (1, 2, 3)
• d) {1, 2, 3}

b) [1, 2, 3]

22: Which of the following functions is used to remove whitespace from the beginning and end of a string in PHP?

• a) trim()
• b) strip()
• c) remove_whitespace()
• d) clean()

a) trim()

23: What is the output of the following PHP code: echo strlen(“PHP”); ?

• a) 1
• b) 2
• c) 3
• d) 4

c) 3

24: Which PHP function is used to convert a string to lowercase?

• a) strtolower()
• b) lcstring()
• c) lower()
• d) tolower()

a) strtolower()

25: What is the purpose of the PHP function “session_destroy()”?

• a) Starts a new session
• b) Destroys all session variables
• c) Deletes a specific session variable
• d) Resets the session ID

Answer: b)

26: Which PHP function is used to count the number of elements in an array?

• a) array_count()
• b) array_length()
• c) count()
• d) length()

c) count()

27: What is the output of the following PHP code: echo pow(2, 3); ?

• a) 6
• b) 8
• c) 16
• d) 23

b) 8

28: Which of the following is the correct way to declare a PHP class?

• a) class MyClass { }
• b) MyClass = new class { }
• c) define MyClass { }
• d) new MyClass { }

a) class MyClass { }

29: Which PHP function is used to delete a specific cookie?

• a) delete_cookie()
• b) remove_cookie()
• c) unset_cookie()
• d) setcookie()

c) unset_cookie()

30: What is the output of the following PHP code: echo “10” + 5; ?

• a) 15
• b) 105
• c) “105”
• d) Error

a) 15

Advance PHP MCQs

31: Which of the following is used to check if a variable is an array in PHP?

• a) isarray()
• b) is_array()
• c) isArray()
• d) check_array()

b) is_array()

32: What is the purpose of the PHP function “mysqli_query()”?

• a) Executes a MySQL query
• b) Executes a MongoDB query
• c) Executes a PostgreSQL query
• d) Executes a SQLite query

a) Executes a MySQL query

33: What is the correct way to include an external PHP file?

• a) include(“file.php”);
• b) import(“file.php”);
• c) require(“file.php”);
• d) load(“file.php”);

c) require(“file.php”);

34: What is the output of the following PHP code: echo “Hello” . “World”; ?

• a) HelloWorld
• b) Hello World
• c) HelloWorld
• d) Error

b) Hello World

35: Which PHP function is used to format a number with a specific number of decimal places?

• a) format_number()
• b) number_format()
• c) decimal_format()
• d) format_decimal()

b) number_format()

36: What is the purpose of the PHP function “array_push()”?

• a) Removes an element from an array
• b) Adds an element to the end of an array
• c) Reverses the order of elements in an array
• d) Checks if an element exists in an array

Answer: b)

37: What is the output of the following PHP code: echo strpos(“Hello World”, “o”); ?

• a) 4
• b) 7
• c) 9
• d) 11

a) 4

38: Which PHP function is used to redirect the user to the previous page?

• a) redirect_previous()
• b) header(“Referer: “)
• c) previous_page()
• d) go_back()

b) header(“Referer: “)

39: What is the purpose of the PHP function “mysqli_fetch_assoc()”?

• a) Fetches a row from a MySQL result set as an associative array
• b) Fetches a row from a MongoDB result set as an associative array
• c) Fetches a row from a PostgreSQL result set as an associative array
• d) Fetches a row from a SQLite result set as an associative array

Answer: a)

40: What is the output of the following PHP code: echo round(3.75); ?

• a) 3
• b) 4
• c) 3.5
• d) 4.5

b) 4