"Welcome to our PHP 101 blog, where we demystify the world of web development. "

Monday, September 2, 2024

MULTIPLE CHOICE QUESTION - CHAPTERWISE

 MULTIPLE CHOICE QUESTION - CHAPTERWISE

Class 1: Introduction to PHP":

1. What does PHP stand for?

a) Personal Home Page
b) Private Hypertext Processor
c) PHP: Hypertext Preprocessor
d) Personal Hypertext Processor

Answer: c) PHP: Hypertext Preprocessor

2. Which of the following is NOT a feature of PHP?

a) Server-side scripting
b) Open-source
c) Client-side scripting
d) Cross-platform compatibility

Answer: c) Client-side scripting

3. Which of the following is a common use of PHP in web development?

a) Styling HTML content
b) Managing databases
c) Creating animations
d) Designing UI

Answer: b) Managing databases

4. Which of the following tools is NOT typically used to set up a PHP development environment?

a) XAMPP
b) WAMP
c) MAMP
d) Photoshop

Answer: d) Photoshop

5. What command is used to display PHP configuration information and verify the PHP installation?

a) echo "PHP";
b) print_r("PHP Info");
c) phpinfo();
d) var_dump("PHP");

Answer: c) phpinfo();

6. In which tag do we write PHP code inside an HTML file?

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

Answer: d) <?php ... ?>

7. What is the primary role of PHP in web development?

a) To add styles to HTML elements
b) To process and generate dynamic content on the server
c) To create static web pages
d) To design the user interface

Answer: b) To process and generate dynamic content on the server

8. Which one of the following servers is used by default when setting up XAMPP?

a) Nginx
b) Tomcat
c) Apache
d) IIS

Answer: c) Apache

9. What does the function phpinfo() output when run in a PHP script?

a) The HTML content of the webpage
b) Information about the PHP configuration, such as version and installed modules
c) The current server time
d) The source code of the script

Answer: b) Information about the PHP configuration, such as version and installed modules

10. After setting up a local development environment with XAMPP/WAMP/MAMP, where should you place your PHP files to run them via a browser?

a) Anywhere on the desktop
b) Inside the root directory of the web server (e.g., htdocs in XAMPP)
c) In the PHP installation folder
d) Inside the operating system’s system32 folder

Answer: b) Inside the root directory of the web server (e.g., htdocs in XAMPP)

11. Which of the following is true about PHP?

a) PHP can only be used on Windows servers.
b) PHP code is executed on the client-side.
c) PHP code is executed on the server-side.
d) PHP cannot be embedded within HTML.

Answer: c) PHP code is executed on the server-side.

12. What is the default file extension for PHP files?

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

Answer: b) .php

13. Which of the following statements about PHP is false?

a) PHP is platform-independent.
b) PHP can handle forms, such as gathering user input and saving it in a database.
c) PHP is a client-side scripting language.
d) PHP can be used to generate dynamic page content.

Answer: c) PHP is a client-side scripting language.

14. In which of the following ways can PHP scripts be executed?

a) In a web browser via a web server
b) From the command line
c) Embedded within HTML
d) All of the above

Answer: d) All of the above

15. Which of the following is NOT a popular web server that can run PHP?

a) Apache
b) Microsoft IIS
c) Nginx
d) PostgreSQL

Answer: d) PostgreSQL

16. Which of the following commands is used to start the Apache server in XAMPP?

a) Start MySQL
b) Run PHP
c) Start Apache
d) Execute PHP

Answer: c) Start Apache

17. Which PHP version introduced the Zend Engine?

a) PHP 4
b) PHP 5
c) PHP 7
d) PHP 8

Answer: a) PHP 4

18. How can you test if a web server is properly running PHP?

a) Create a .html file and open it in a browser.
b) Run the command php -v in the terminal.
c) Place a file with <?php echo "Hello, World!"; ?> in the server's root directory and access it via a browser.
d) Open the XAMPP control panel and look at the status.

Answer: c) Place a file with <?php echo "Hello, World!"; ?> in the server's root directory and access it via a browser.

19. Which of the following is true when embedding PHP code within an HTML file?

a) PHP code is executed before the HTML is sent to the browser.
b) PHP code is ignored by the server.
c) PHP code is executed after the HTML is rendered in the browser.
d) PHP code cannot be embedded within HTML.

Answer: a) PHP code is executed before the HTML is sent to the browser.

20. What is the purpose of using XAMPP/WAMP/MAMP in PHP development?

a) To create complex animations
b) To simulate a web server environment on a local machine
c) To compile PHP code
d) To design HTML pages

Answer: b) To simulate a web server environment on a local machine

21. Which of the following is required to run PHP scripts on your local machine?

a) A text editor
b) A web server like Apache or Nginx
c) PHP installed on your machine
d) All of the above

Answer: d) All of the above

22. What is the role of htdocs (or www in WAMP/MAMP) in a local development environment?

a) It is where the PHP interpreter is located.
b) It is the directory where web server logs are stored.
c) It is the root directory where PHP files should be placed to be accessible via the browser.
d) It is the directory where XAMPP/WAMP/MAMP is installed.

Answer: c) It is the root directory where PHP files should be placed to be accessible via the browser.

23. What is the main reason for using PHP in web development?

a) To style web pages with CSS
b) To perform complex calculations on the client-side
c) To create static HTML pages
d) To generate dynamic content and interact with databases

Answer: d) To generate dynamic content and interact with databases

24. Which of the following commands is used to stop the Apache server in XAMPP?

a) Stop PHP
b) End Apache
c) Stop Apache
d) Shutdown Server

Answer: c) Stop Apache

25. Which PHP function is commonly used to check for syntax errors in PHP code?

a) syntax_check()
b) phpinfo()
c) lint
d) PHP does not have a built-in function for syntax checking, but tools like php -l can be used

Answer: d) PHP does not have a built-in function for syntax checking, but tools like php -l can be used

26. Which of the following best describes PHP?

a) PHP is a database management system.
b) PHP is a programming language primarily used for creating desktop applications.
c) PHP is a server-side scripting language used for web development.
d) PHP is a client-side scripting language like JavaScript.

Answer: c) PHP is a server-side scripting language used for web development.

27. What is the primary function of the PHP interpreter?

a) To compile PHP code into machine code.
b) To execute PHP code on the server and generate HTML content.
c) To translate PHP code into JavaScript.
d) To create database schemas.

Answer: b) To execute PHP code on the server and generate HTML content.

28. Which of the following is the correct syntax for embedding PHP code within an HTML file?

a) <php> ... </php>
b) <script php> ... </script>
c) <?php ... ?>
d) <PHP: ... :PHP>

Answer: c) <?php ... ?>

29. Which of the following is NOT a valid way to start a PHP block?

a) <?php
b) <?=
c) <?
d) <%php

Answer: d) <%php

30. When using XAMPP, which folder typically serves as the root directory for your web files?

a) /usr/local/bin/
b) C:\xampp\htdocs\
c) C:\xampp\server\
d) C:\xampp\www\

Answer: b) C:\xampp\htdocs\

31. How can you check the PHP version installed on your local machine using the command line?

a) php --version
b) php -v
c) phpinfo()
d) Both a) and b)

Answer: d) Both a) and b)

32. What happens when you try to run a PHP script on a server that does not have PHP installed?

a) The PHP code is executed but with errors.
b) The PHP code is displayed as plain text in the browser.
c) The browser automatically installs PHP.
d) The server returns a "404 Not Found" error.

Answer: b) The PHP code is displayed as plain text in the browser.

33. Which of the following is the correct way to declare a PHP variable?

a) $variable_name = value;
b) var variable_name = value;
c) let $variable_name = value;
d) variable_name := value;

Answer: a) $variable_name = value;

34. In a local development environment, which of the following URLs might you use to access a PHP file named test.php located in the root directory (htdocs) of XAMPP?

a) http://localhost/test.php
b) http://localhost/php/test.php
c) http://localhost/xampp/test.php
d) http://localhost/apache/test.php

Answer: a) http://localhost/test.php

35. What does the <?php ... ?> tag do in an HTML file?

a) It indicates the start and end of a PHP script.
b) It comments out the code within the tags.
c) It is used to include JavaScript code in HTML.
d) It formats text within the tags.

Answer: a) It indicates the start and end of a PHP script.

36. Which of the following functions is commonly used in PHP to output text or HTML to the browser?

a) display()
b) print()
c) output()
d) echo()

Answer: d) echo()

37. What is the purpose of using a local development environment like XAMPP/WAMP/MAMP?

a) To host a website on the internet.
b) To test and develop web applications locally without needing an internet connection.
c) To compile PHP scripts into executable files.
d) To create desktop applications.

Answer: b) To test and develop web applications locally without needing an internet connection.

38. Which of the following best describes the phpinfo() function in PHP?

a) It displays information about PHP syntax errors.
b) It outputs information about the PHP configuration and environment.
c) It returns the PHP version as a string.
d) It checks if PHP is installed on the server.

Answer: b) It outputs information about the PHP configuration and environment.

39. If a PHP script is not working as expected, what is the best way to start troubleshooting?

a) Delete the script and start over.
b) Use phpinfo() to check the server configuration.
c) Check the error log or use debugging techniques to identify the issue.
d) Change the PHP version to see if it resolves the issue.

Answer: c) Check the error log or use debugging techniques to identify the issue.

40. Which of the following statements is true about PHP variables?

a) PHP variables are case-insensitive.
b) PHP variables must be declared with a data type.
c) PHP variables are prefixed with a dollar sign $.
d) PHP variables cannot be reassigned after their initial assignment.

Answer: c) PHP variables are prefixed with a dollar sign $.

41. Which of the following methods can be used to access PHP files in a browser when using XAMPP?

a) Typing the PHP code directly into the browser's address bar.
b) Saving the PHP file in the htdocs directory and accessing it via http://localhost/filename.php.
c) Saving the PHP file on the desktop and double-clicking it.
d) Running the PHP file through a PHP interpreter from the command line.

Answer: b) Saving the PHP file in the htdocs directory and accessing it via http://localhost/filename.php.

42. What is the primary purpose of a server-side scripting language like PHP?

a) To style web pages using CSS.
b) To execute code on the client’s browser.
c) To handle requests and generate dynamic web content on the server before sending it to the client.
d) To create animations in web pages.

Answer: c) To handle requests and generate dynamic web content on the server before sending it to the client.

43. What will happen if you place a PHP file in the htdocs folder of XAMPP but the Apache server is not running?

a) The PHP file will execute normally.
b) The browser will download the PHP file as a plain text file.
c) The browser will display a "Server Not Found" error.
d) The PHP file will display an error message indicating Apache is not running.

Answer: c) The browser will display a "Server Not Found" error.

44. Which of the following is required to view the output of a PHP script in a web browser?

a) A PHP interpreter installed on the client machine.
b) A running web server like Apache or Nginx.
c) The PHP file must be compiled first.
d) The PHP file must be opened in a text editor.

Answer: b) A running web server like Apache or Nginx.

45. Which of the following components is typically NOT included in XAMPP?

a) Apache
b) MySQL
c) PHP
d) Python

Answer: d) Python

46. If you receive a "500 Internal Server Error" when running a PHP script on your local server, what is the most likely cause?

a) The PHP script contains a syntax error.
b) The server is unable to find the PHP file.
c) The server does not have PHP installed.
d) The PHP file was saved with a .html extension instead of .php.

Answer: a) The PHP script contains a syntax error.

47. Which of the following PHP tags is used to output content directly to the browser without using echo?

a) <?php ... ?>
b) <?= ... ?>
c) <%php ... %>
d) <?php echo ... ?>

Answer: b) <?= ... ?>

48. In the XAMPP control panel, which action should you take to start the MySQL database server?

a) Click on the "MySQL Admin" button.
b) Click on the "Start" button next to MySQL.
c) Click on the "Config" button next to MySQL.
d) Click on the "Stop" button next to MySQL.

Answer: b) Click on the "Start" button next to MySQL.

49. What is the significance of using phpinfo(); in a PHP script?

a) It checks for syntax errors in the PHP script.
b) It outputs the current PHP version and configuration settings.
c) It starts the Apache server.
d) It creates a connection to the MySQL database.

Answer: b) It outputs the current PHP version and configuration settings.

50. Which of the following statements is true about the localhost in a PHP development environment?

a) localhost refers to an external server on the internet.
b) localhost is the default hostname that points to your own computer.
c) localhost is only accessible through an internet connection.
d) localhost can only be used with HTML files, not PHP files.

Answer: b) localhost is the default hostname that points to your own computer.

51. What will happen if you try to run a PHP script without starting the Apache server in XAMPP?

a) The script will execute with limited functionality.
b) The script will open as a text file in the browser.
c) The script will automatically start the Apache server.
d) The script will execute normally.

Answer: b) The script will open as a text file in the browser.

52. Which of the following options is used to stop both Apache and MySQL services in XAMPP?

a) Close the XAMPP control panel.
b) Click "Stop" next to Apache and MySQL in the XAMPP control panel.
c) Uninstall XAMPP.
d) Disconnect from the internet.

Answer: b) Click "Stop" next to Apache and MySQL in the XAMPP control panel.

53. What file extension should be used when saving a PHP script to ensure it executes correctly on the server?

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

Answer: b) .php

54. When working with PHP, what is the purpose of the echo statement?

a) To define a new PHP function.
b) To declare a variable.
c) To output text or HTML content to the browser.
d) To comment out a section of code.

Answer: c) To output text or HTML content to the browser.

55. Which of the following is true about PHP's compatibility?

a) PHP only works with Apache servers.
b) PHP is compatible with multiple operating systems, including Windows, macOS, and Linux.
c) PHP scripts can only be run on Windows-based servers.
d) PHP does not support database integration.

Answer: b) PHP is compatible with multiple operating systems, including Windows, macOS, and Linux.

56. Which of the following will correctly display "Hello, World!" in a browser when running a PHP script?

a) <?php echo "Hello, World!"; ?>
b) <?php display("Hello, World!"); ?>
c) <?php write("Hello, World!"); ?>
d) <?php output("Hello, World!"); ?>

Answer: a) <?php echo "Hello, World!"; ?>

57. Why is PHP considered a "server-side" scripting language?

a) Because it can be embedded in HTML files.
b) Because it is executed on the server before the result is sent to the client's browser.
c) Because it can run on any client device, including smartphones and tablets.
d) Because it requires a browser to run.

Answer: b) Because it is executed on the server before the result is sent to the client's browser.

58. Which of the following commands is used to access the XAMPP control panel in Windows?

a) Open the terminal and type xampp start.
b) Double-click the xampp-control.exe file in the XAMPP installation directory.
c) Use the Run dialog and type php start.
d) Open the Control Panel and search for XAMPP.

Answer: b) Double-click the xampp-control.exe file in the XAMPP installation directory.

59. What is the purpose of a "localhost" environment in PHP development?

a) To simulate a live server environment on your local machine.
b) To access the internet via a local proxy.
c) To host your website on the internet.
d) To create offline web pages without a server.

Answer: a) To simulate a live server environment on your local machine.

60. Which of the following actions should you take if the Apache server in XAMPP is not starting?

a) Restart your computer.
b) Check for port conflicts (e.g., port 80) and change the port settings in XAMPP.
c) Uninstall and reinstall XAMPP.
d) Disable your internet connection.

Answer: b) Check for port conflicts (e.g., port 80) and change the port settings in XAMPP.

Class 2: PHP Basics - Syntax and Data Types

1. Which of the following is the correct syntax for declaring a variable in PHP?

a) var $variable_name = value;
b) $variable_name := value;
c) variable_name = value;
d) $variable_name = value;

Answer: d) $variable_name = value;

2. How do you output "Hello, World!" using PHP?

a) print("Hello, World!");
b) echo "Hello, World!";
c) display("Hello, World!");
d) Both a) and b)

Answer: d) Both a) and b)

3. What will be the output of the following PHP code?

php

Copy code

$number = 10;

echo $number + 5;

a) 10
b) 15
c) 105
d) Error

Answer: b) 15

4. Which of the following is NOT a valid PHP data type?

a) Integer
b) String
c) Boolean
d) Character

Answer: d) Character

5. What is the result of the following PHP code?

$float = 3.14;

$integer = (int)$float;

echo $integer;

a) 3.14
b) 3
c) 4
d) Error

Answer: b) 3

6. Which operator is used for concatenating strings in PHP?

a) +
b) &
c) .
d) =

Answer: c) .

7. How do you declare a constant in PHP?

a) const CONSTANT_NAME = value;
b) define('CONSTANT_NAME', value);
c) constant CONSTANT_NAME = value;
d) set CONSTANT_NAME = value;

Answer: b) define('CONSTANT_NAME', value);

8. What will be the output of the following PHP code?

$var = "10.5";

$intVar = (int)$var;

echo $intVar;

a) 10.5
b) 10
c) 5
d) Error

Answer: b) 10

9. Which of the following PHP data types is used to represent true/false values?

a) Integer
b) Float
c) String
d) Boolean

Answer: d) Boolean

10. What is the default data type of a variable in PHP if not explicitly declared?

a) Integer
b) String
c) Float
d) PHP automatically determines the data type based on the value assigned.

Answer: d) PHP automatically determines the data type based on the value assigned.

11. What will be the result of the following PHP code?

$x = "Hello";

$y = "World";

echo $x . " " . $y;

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

Answer: b) Hello World

12. How do you cast a string to a float in PHP?

a) (float)$string;
b) (string)$float;
c) float(string);
d) convert_to_float(string);

Answer: a) (float)$string;

13. Which of the following is the correct way to initialize an array in PHP?

a) array = [1, 2, 3];
b) $array = (1, 2, 3);
c) $array = array(1, 2, 3);
d) $array = [1, 2, 3];

Answer: c) $array = array(1, 2, 3);

14. What is the output of the following PHP code?

$var = "5 apples";

$integerVar = (int)$var;

echo $integerVar;

a) 5
b) 5 apples
c) Error
d) 0

Answer: a) 5

15. Which function is used to get the length of a string in PHP?

a) length()
b) strlen()
c) str_length()
d) string_length()

Answer: b) strlen()

16. What does the print function do in PHP?

a) Prints data to the screen.
b) Saves data to a file.
c) Returns the data length.
d) Converts data to uppercase.

Answer: a) Prints data to the screen.

17. How do you convert an integer to a string in PHP?

a) (string)$integer;
b) (int)$string;
c) strval($integer);
d) Both a) and c)

Answer: d) Both a) and c)

18. What will be the result of the following code?

$var1 = 10;

$var2 = 20;

$var1 += $var2;

echo $var1;

a) 10
b) 20
c) 30
d) Error

Answer: c) 30

19. What is the output of the following PHP code?

php

Copy code

$number = 5;

echo $number * 2;

a) 10
b) 52
c) 25
d) Error

Answer: a) 10

20. How do you define a variable in PHP that holds a floating-point number?

a) $float = 1.5;
b) $float = "1.5";
c) float $float = 1.5;
d) var $float = 1.5;

Answer: a) $float = 1.5;

21. What will be the result of the following PHP code?

php

Copy code

$var1 = "10";

$var2 = "20";

echo $var1 + $var2;

a) 30
b) 1020
c) "10 20"
d) Error

Answer: a) 30

22. Which of the following is used to check the data type of a variable in PHP?

a) data_type()
b) gettype()
c) type()
d) checktype()

Answer: b) gettype()

23. How do you declare a variable in PHP that is an array?

a) $array = array(1, 2, 3);
b) array $array = [1, 2, 3];
c) $array[] = 1, 2, 3;
d) var array = [1, 2, 3];

Answer: a) $array = array(1, 2, 3);

24. What will be the result of the following PHP code?

$var = "Hello" . " " . "World";

echo $var;

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

Answer: b) Hello World

25. How do you convert a string "123" to an integer in PHP?

a) intval("123");
b) (int)"123";
c) string_to_int("123");
d) Both a) and b)

Answer: d) Both a) and b)

26. Which of the following operators is used to compare two values in PHP?

a) =
b) ==
c) !=
d) Both b) and c)

Answer: d) Both b) and c)

27. What will be the result of the following PHP code?

$var = "12.34";

$intVar = (int)$var;

echo $intVar;

a) 12.34
b) 12
c) 34
d) Error

Answer: b) 12

28. How do you declare a boolean variable in PHP?

a) $bool = true;
b) $bool = "true";
c) boolean $bool = true;
d) bool $bool = true;

Answer: a) $bool = true;

29. What will be the output of the following PHP code?

$x = 3;

$y = 4;

echo $x ** $y;

a) 12
b) 7
c) 81
d) Error

Answer: c) 81

30. How do you check if a variable is an integer in PHP?

a) is_numeric($variable);
b) is_int($variable);
c) check_integer($variable);
d) type_of($variable);

Answer: b) is_int($variable);

31. What is the result of the following PHP code?

php

Copy code

$number = 12;

echo $number % 5;

a) 2
b) 7
c) 12
d) 1

Answer: a) 2

32. Which function would you use to convert a float to a string in PHP?

a) strval($float);
b) floatval($string);
c) to_string($float);
d) convert_to_string($float);

Answer: a) strval($float);

33. What is the default value of an uninitialized variable in PHP?

a) null
b) 0
c) ""
d) false

Answer: a) null

34. What will be the result of the following PHP code?

$var1 = "123abc";

$intVar = (int)$var1;

echo $intVar;

a) 123
b) 123abc
c) 0
d) Error

Answer: a) 123

35. How can you ensure that a variable is treated as a string in PHP?

a) Use (string)$variable;
b) Use strval($variable);
c) Use string($variable);
d) Both a) and b)

Answer: d) Both a) and b)

36. What is the result of the following PHP code?

$val = "7.89";

echo $val + 2;

a) 9.89
b) 9
c) 7
d) Error

Answer: a) 9.89

37. How do you concatenate multiple strings in PHP?

a) Use + operator.
b) Use . operator.
c) Use concat() function.
d) Use append() method.

Answer: b) Use . operator.

38. What will be the output of the following PHP code?

$var1 = 10;

$var2 = 3;

echo $var1 / $var2;

a) 3.333
b) 3
c) 10
d) Error

Answer: a) 3.333

39. Which PHP function is used to find the length of an array?

a) length()
b) array_length()
c) count()
d) size()

Answer: c) count()

40. How do you convert a boolean value to an integer in PHP?

a) (int)$boolean;
b) intval($boolean);
c) boolval($integer);
d) Both a) and b)

Answer: d) Both a) and b)

41. What is the result of the following PHP code?

$var = "50.75";

echo $var - 20;

a) 30.75
b) 50.75
c) 70.75
d) Error

Answer: a) 30.75

42. Which function is used to check if a variable is a string in PHP?

a) is_string($variable);
b) check_string($variable);
c) string_type($variable);
d) typeof_string($variable);

Answer: a) is_string($variable);

43. What will be the result of the following PHP code?

$val1 = 10;

$val2 = "5";

echo $val1 * $val2;

a) 50
b) 105
c) 10
d) Error

Answer: a) 50

44. How do you properly declare a variable with a floating-point value in PHP?

a) $floatVar = 3.14;
b) float $floatVar = 3.14;
c) $floatVar = "3.14";
d) var floatVar = 3.14;

Answer: a) $floatVar = 3.14;

45. What will be the result of the following PHP code?

$val = (float) "12.34abc";

echo $val;

a) 12.34
b) 12
c) 0
d) 12.34abc

Answer: a) 12.34

46. How do you cast an integer to a string in PHP?

a) (string)$integer;
b) strval($integer);
c) convert_to_string($integer);
d) Both a) and b)

Answer: d) Both a) and b)

47. What will be the result of the following PHP code?

$var = "100";

$var *= 2;

echo $var;

a) 200
b) 100100
c) 50
d) Error

Answer: a) 200

48. What is the output of the following PHP code?

$val = "Hello";

$val .= " World";

echo $val;

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

Answer: b) Hello World

49. How can you ensure a variable is treated as a boolean in PHP?

a) boolval($variable);
b) (bool)$variable;
c) boolean($variable);
d) Both a) and b)

Answer: d) Both a) and b)

50. What will be the result of the following PHP code?

$var = "5.5";

$intVar = (int)round($var);

echo $intVar;

a) 5
b) 6
c) 5.5
d) Error

Answer: b) 6

51. Which of the following statements about PHP arrays is true?

a) Arrays in PHP are ordered collections of key-value pairs.
b) Arrays in PHP are strictly typed, meaning they can only hold elements of the same type.
c) Arrays in PHP are unordered collections of elements.
d) Arrays in PHP can only store integers and strings.

Answer: a) Arrays in PHP are ordered collections of key-value pairs.

52. What will be the output of the following PHP code?

$var = "abc";

$intVar = (int)$var;

echo $intVar;

a) 0
b) abc
c) 1
d) Error

Answer: a) 0

53. How do you convert a string "true" to a boolean in PHP?

a) (bool)"true";
b) boolval("true");
c) convert_to_bool("true");
d) Both a) and b)

Answer: d) Both a) and b)

54. What will be the result of the following PHP code?

$val = "Hello";

$val .= " there!";

echo $val;

a) Hello there!
b) Hello there
c) Hello
d) Error

Answer: a) Hello there!

55. Which of the following is a valid way to check if a variable is an array in PHP?

a) is_array($variable);
b) check_array($variable);
c) array_type($variable);
d) typeof_array($variable);

Answer: a) is_array($variable);

56. What will be the output of the following PHP code?

$var1 = 5;

$var2 = "5";

echo $var1 == $var2;

a) true
b) false
c) 5
d) Error

Answer: a) true

57. How can you get the absolute value of a number in PHP?

a) abs($number);
b) absolute($number);
c) get_absolute($number);
d) number_abs($number);

Answer: a) abs($number);

58. What will be the result of the following PHP code?

$var = "Hello";

$var += 5;

echo $var;

a) 5
b) Hello5
c) Error
d) 0

Answer: d) 0

59. Which of the following functions is used to get the type of a variable in PHP?

a) var_type($variable);
b) type_of($variable);
c) gettype($variable);
d) variable_type($variable);

Answer: c) gettype($variable);

60. What will be the result of the following PHP code?

$val = 3;

$val = $val ** 3;

echo $val;

a) 27
b) 9
c) 3
d) Error

Answer: a) 27

Operators and Expressions in PHP

1. What will be the result of the following PHP expression?

$var = 10 + 5 * 2;

echo $var;

a) 20
b) 30
c) 15
d) 25

Answer: b) 20

2. Which operator is used for equality comparison in PHP?

a) =
b) ==
c) ===
d) !=

Answer: b) ==

3. What is the result of the following PHP code?

$x = 10;

$y = 5;

echo $x % $y;

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

Answer: a) 0

4. How do you concatenate two strings in PHP?

a) +
b) .
c) &
d) *

Answer: b) .

5. What will be the output of the following PHP code?

$var1 = true;

$var2 = false;

echo $var1 && $var2;

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

Answer: b) false

6. Which operator is used to check if two values are not identical in PHP?

a) !=
b) !==
c) ==
d) ===

Answer: b) !==

7. What will be the result of the following PHP code?

$val = 10;

$val += 5;

echo $val;

a) 5
b) 10
c) 15
d) 50

Answer: c) 15

8. What does the || operator do in PHP?

a) Logical AND
b) Logical OR
c) Bitwise AND
d) Bitwise OR

Answer: b) Logical OR

9. What will be the result of the following PHP code?

$a = 10;

$b = 5;

echo $a / $b;

a) 2
b) 5
c) 50
d) 10

Answer: a) 2

10. How do you increment a variable by 1 in PHP?

a) $var = $var + 1;
b) $var++;
c) $var += 1;
d) Both b) and c)

Answer: d) Both b) and c)

11. What is the result of the following PHP code?

$x = 5;

$y = "5";

echo $x === $y;

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

Answer: b) false

12. Which of the following operators is used to perform bitwise operations in PHP?

a) &&
b) ||
c) &
d) ^

Answer: c) &

13. What will be the output of the following PHP code?

$var = 10;

$var *= 2;

echo $var;

a) 20
b) 10
c) 100
d) 5

Answer: a) 20

14. What will be the result of the following PHP code?

$a = 4;

$b = 2;

echo $a ** $b;

a) 6
b) 8
c) 4
d) 2

Answer: b) 8

15. Which of the following statements is true about the & operator in PHP?

a) It is used for logical AND operations.
b) It is used for bitwise AND operations.
c) It is used for comparison.
d) It is used for concatenation.

Answer: b) It is used for bitwise AND operations.

16. What will be the result of the following PHP code?

$x = 10;

$y = 5;

echo $x > $y ? "Yes" : "No";

a) Yes
b) No
c) 10
d) 5

Answer: a) Yes

17. How do you perform a bitwise OR operation in PHP?

a) |
b) ||
c) &
d) ^

Answer: a) |

18. What is the result of the following PHP code?

$var = 20;

$var /= 4;

echo $var;

a) 5
b) 10
c) 20
d) 4

Answer: b) 5

19. What will be the output of the following PHP code?

$a = 5;

$b = 10;

echo $a <=> $b;

a) -1
b) 0
c) 1
d) Error

Answer: a) -1

20. What is the result of the following PHP code?

$x = 10;

$y = 20;

echo $x & $y;

a) 10
b) 20
c) 30
d) 0

Answer: a) 0

21. What will be the result of the following PHP code?

$a = 15;

$b = 4;

echo $a % $b;

a) 3
b) 4
c) 15
d) 7

Answer: a) 3

22. Which operator is used to perform exponentiation in PHP?

a) ^
b) **
c) *
d) **=

Answer: b) **

23. What is the result of the following PHP code?

$x = 7;

$y = 10;

echo $x < $y && $x != $y;

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

Answer: a) true

24. Which of the following PHP operators is used for string concatenation?

a) .
b) +
c) &
d) *

Answer: a) .

25. What will be the result of the following PHP code?

$x = 5;

$y = 3;

echo $x-- + ++$y;

a) 9
b) 8
c) 7
d) 10

Answer: a) 9

26. How do you perform a logical NOT operation in PHP?

a) !
b) &&
c) ||
d) ^

Answer: a) !

27. What will be the output of the following PHP code?

$var = 8;

$var += 3;

$var -= 5;

echo $var;

a) 6
b) 8
c) 9
d) 5

Answer: a) 6

28. What is the result of the following PHP code?

$a = 7;

$b = 3;

echo $a ** $b;

a) 21
b) 343
c) 10
d) 7

Answer: b) 343

29. Which operator is used to perform bitwise XOR in PHP?

a) &
b) |
c) ^
d) &&

Answer: c) ^

30. What will be the result of the following PHP code?

$x = 3;

$y = 2;

echo $x ** $y;

a) 5
b) 9
c) 6
d) 7

Answer: b) 9

31. Which of the following PHP operators is used to perform a logical AND operation?

a) &&
b) &
c) ||
d) ^

Answer: a) &&

32. What is the result of the following PHP code?

$var = 5;

$var -= 2;

$var *= 3;

echo $var;

a) 9
b) 15
c) 21
d) 11

Answer: c) 9

33. What will be the result of the following PHP code?

$x = 5;

$y = 10;

echo $x == $y ? "Equal" : "Not Equal";

a) Equal
b) Not Equal
c) true
d) false

Answer: b) Not Equal

34. How do you perform a bitwise left shift in PHP?

a) <<
b) >>
c) &
d) <<=

Answer: a) <<

35. What is the result of the following PHP code?

$x = 5;

$y = 5;

echo $x === $y;

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

Answer: a) true

36. Which of the following operators is used for assignment in PHP?

a) ==
b) =
c) ===
d) +=

Answer: b) =

37. What will be the result of the following PHP code?

$a = 6;

$b = 4;

echo $a & $b;

a) 6
b) 4
c) 2
d) 0

Answer: c) 4

38. What does the !== operator do in PHP?

a) Checks if two values are not equal.
b) Checks if two values are not identical.
c) Checks if two values are equal.
d) Checks if two values are identical.

Answer: b) Checks if two values are not identical.

39. How do you perform a bitwise OR operation in PHP?

a) |
b) ||
c) &
d) &&

Answer: a) |

40. What will be the result of the following PHP code?

$var = 12;

$var /= 4;

echo $var;

a) 3
b) 12
c) 4
d) 16

Answer: a) 3

41. What will be the result of the following PHP code?

$x = 15;

$y = 3;

echo $x / $y + $x % $y;

a) 7
b) 10
c) 8
d) 5

Answer: b) 10

42. Which operator is used to check if a variable is not empty in PHP?

a) !
b) !=
c) !==
d) empty()

Answer: d) empty()

43. What will be the result of the following PHP code?

$x = 8;

$y = 5;

echo $x + $y / 2;

a) 10
b) 13
c) 15
d) 9.5

Answer: d) 10

44. What is the result of the following PHP code?

$x = 7;

$y = 3;

$z = 5;

echo ($x + $y) * $z;

a) 50
b) 35
c) 60
d) 25

Answer: c) 50

45. How do you perform a bitwise right shift in PHP?

a) <<
b) >>
c) &
d) ^

Answer: b) >>

46. What will be the result of the following PHP code?

$x = 8;

$y = 4;

echo $x % $y + $y;

a) 4
b) 8
c) 12
d) 16

Answer: b) 8

47. What is the result of the following PHP code?

$x = 3;

$y = 2;

$z = 1;

echo $x + $y * $z;

a) 6
b) 5
c) 4
d) 7

Answer: b) 5

48. Which operator is used to perform a logical OR operation in PHP?

a) ||
b) &&
c) |
d) ^

Answer: a) ||

49. What will be the result of the following PHP code?

$x = 5;

$y = 10;

echo ($x < $y) ? "Yes" : "No";

a) Yes
b) No
c) 1
d) 0

Answer: a) Yes

50. What is the result of the following PHP code?

$a = 2;

$b = 3;

$c = 4;

echo $a * ($b + $c);

a) 14
b) 10
c) 20
d) 24

Answer: d) 20

51. Which operator in PHP is used to perform a modulus operation?

a) %
b) /
c) *
d) //

Answer: a) %

52. What will be the output of the following PHP code?

$x = 5;

$y = 2;

echo $x ** $y;

a) 10
b) 25
c) 7
d) 3

Answer: b) 25

53. What will be the result of the following PHP code?

php

Copy code

$a = 10;

$b = 4;

$c = 3;

echo ($a - $b) * $c;

a) 18
b) 30
c) 40
d) 28

Answer: a) 18

54. How do you perform an addition assignment in PHP?

a) $var += 5;
b) $var =+ 5;
c) $var + 5;
d) $var = $var + 5;

Answer: a) $var += 5;

55. What is the result of the following PHP code?

$x = 10;

$y = 5;

echo $x <=> $y;

a) -1
b) 0
c) 1
d) Error

Answer: c) 1

56. What will be the result of the following PHP code?

$val = 8;

$val -= 3;

$val /= 2;

echo $val;

a) 2
b) 3
c) 5
d) 4

Answer: d) 2.5

57. Which operator is used to perform bitwise AND in PHP?

a) |
b) &
c) ^
d) &&

Answer: b) &

58. What is the result of the following PHP code?

$x = 6;

$y = 3;

echo $x / $y * 2;

a) 4
b) 6
c) 2
d) 12

Answer: d) 4

59. What will be the result of the following PHP code?

$a = 5;

$b = 5;

echo $a == $b ? "Match" : "No Match";

a) Match
b) No Match
c) true
d) false

Answer: a) Match

60. What does the += operator do in PHP?

a) Assigns the value of the right operand to the left operand.
b) Adds the right operand to the left operand and assigns the result to the left operand.
c) Subtracts the right operand from the left operand and assigns the result to the left operand.
d) Multiplies the left operand by the right operand and assigns the result to the left operand.

Answer: b) Adds the right operand to the left operand and assigns the result to the left operand.

61. What will be the result of the following PHP code?

$x = 12;

$y = 5;

echo $x % $y + $x / $y;

a) 2.4
b) 4.4
c) 7.4
d) 8.4

Answer: c) 8.4

62. Which PHP operator is used to perform a bitwise NOT operation?

a) !
b) ~
c) ^
d) &

Answer: b) ~

63. What will be the result of the following PHP code?

$a = 5;

$b = 10;

$c = 2;

echo $a * $b / $c;

a) 10
b) 25
c) 20
d) 30

Answer: d) 25

64. Which operator is used to perform a bitwise left shift in PHP?

a) <<
b) >>
c) &
d) |

Answer: a) <<

65. What is the result of the following PHP code?

$x = 4;

$y = 3;

echo $x ** $y;

a) 27
b) 64
c) 12
d) 7

Answer: a) 64

66. How do you perform a bitwise right shift operation in PHP?

a) <<
b) >>
c) &
d) |

Answer: b) >>

67. What will be the result of the following PHP code?

$a = 10;

$b = 5;

$c = 2;

echo ($a + $b) % $c;

a) 1
b) 0
c) 2
d) 5

Answer: b) 0

68. Which PHP operator is used for concatenating strings?

a) +
b) .
c) &
d) ,

Answer: b) .

69. What will be the result of the following PHP code?

$x = 7;

$y = 3;

echo $x / $y + $x % $y;

a) 4
b) 3
c) 5
d) 7

Answer: a) 5

70. What is the result of the following PHP code?

$x = 8;

$y = 2;

$z = 3;

echo ($x - $y) * $z;

a) 6
b) 14
c) 24
d) 10

Answer: b) 18

71. What will be the result of the following PHP code?

$a = 15;

$b = 6;

$c = 2;

echo ($a - $b) / $c;

a) 4
b) 7
c) 8
d) 5

Answer: b) 4.5

72. Which operator is used to check if two values are identical in PHP?

a) !=
b) ==
c) ===
d) !==

Answer: c) ===

73. What will be the output of the following PHP code?

$x = 4;

$y = 2;

$z = 3;

echo $x ** $y + $z;

a) 19
b) 13
c) 8
d) 27

Answer: a) 19

74. What is the result of the following PHP code?

$x = 5;

$y = 7;

echo $x + $y * 2;

a) 12
b) 19
c) 17
d) 14

Answer: b) 19

75. What does the && operator do in PHP?

a) Performs a bitwise AND operation.
b) Performs a logical AND operation.
c) Performs a bitwise OR operation.
d) Performs a logical OR operation.

Answer: b) Performs a logical AND operation.

76. What will be the result of the following PHP code?

$x = 6;

$y = 2;

echo $x % $y * $y;

a) 4
b) 6
c) 12
d) 0

Answer: b) 0

77. What is the result of the following PHP code?

$a = 5;

$b = 2;

echo $a ** $b;

a) 7
b) 10
c) 25
d) 4

Answer: c) 25

78. How do you perform a modulus operation in PHP?

a) +
b) -
c) *
d) %

Answer: d) %

79. What will be the output of the following PHP code?

$x = 8;

$y = 3;

echo $x & $y;

a) 11
b) 10
c) 8
d) 0

Answer: c) 0

80. What is the result of the following PHP code?

$x = 10;

$y = 4;

$z = 2;

echo ($x + $y) / $z;

a) 7
b) 8
c) 5
d) 6

Answer: b) 7

Class 4: Control Structures - Part 1

(Implementing conditions and multiple case scenarios ,scripts that use if, else if, else, and switch statements to control the flow of their code based on different conditions)

1. Which of the following PHP code snippets will print "Hello, World!" only if the variable $x is greater than 10?

a)  if ($x > 10) { echo "Hello, World!"; }

b) if ($x < 10) {

    echo "Hello, World!";

}

c) if ($x == 10) { echo "Hello, World!"; }

d) if ($x != 10) {

    echo "Hello, World!";

}

Answer: a) ```php if ($x > 10) { echo "Hello, World!"; }

 2. What will be the output of the following PHP code if `$day` is `3`?

switch ($day) {

    case 1:

        echo "Monday";

        break;

    case 2:

        echo "Tuesday";

        break;

    case 3:

        echo "Wednesday";

        break;

    default:

        echo "Weekend";

}

a) Monday
b) Tuesday
c) Wednesday
d) Weekend

Answer: c) Wednesday

3. What will be the result of the following PHP code?

$age = 20;

if ($age >= 18) {

    echo "Adult";

} else {

    echo "Minor";

}

a) Adult
b) Minor
c) Error
d) Nothing

Answer: a) Adult

4. Which of the following is the correct syntax for an else if statement in PHP?

a) else if (condition) { // code }

b) else (condition) {

    // code

}

c) else if (condition): // code endif;

d) else if (condition) {

    // code

} else {

    // code

}

Answer: a)  else if (condition) { // code }

5. What will be the output of the following PHP code if `$score` is `85`?

if ($score >= 90) {

    echo "A";

} elseif ($score >= 80) {

    echo "B";

} elseif ($score >= 70) {

    echo "C";

} else {

    echo "D";

}

a) A
b) B
c) C
d) D

Answer: b) B

6. What will be the output of the following PHP code if $number is 5?

switch ($number) {

    case 1:

        echo "One";

        break;

    case 2:

        echo "Two";

        break;

    case 5:

        echo "Five";

        break;

    default:

        echo "Not Found";

}

a) One
b) Two
c) Five
d) Not Found

Answer: c) Five

7. Which PHP statement will execute if $value is neither equal to 10 nor 20 in the following code?

switch ($value) {

    case 10:

        echo "Ten";

        break;

    case 20:

        echo "Twenty";

        break;

    default:

        echo "Other";

}

a) Ten
b) Twenty
c) Other
d) Error

Answer: c) Other

8. How do you handle multiple conditions in an if statement?

a)  if (condition1 or condition2) { // code }

b)if (condition1 && condition2) {

    // code

}

c) if (condition1, condition2) { // code }

d) ```php

if (condition1 || condition2) {

    // code

}

Answer: b)  if (condition1 && condition2) { // code }

9. What is the correct way to write an `else` statement in PHP?

 a)else {

    // code

}

b) else if { // code }

c)elseif {

    // code

}

d)else { // code }

Answer a) 

else {

    // code

}

10. What will be the output of the following PHP code if $temperature is -5?

if ($temperature < 0) {

    echo "Freezing";

} elseif ($temperature < 10) {

    echo "Cold";

} elseif ($temperature < 20) {

    echo "Cool";

} else {

    echo "Warm";

}

a) Freezing
b) Cold
c) Cool
d) Warm

Answer: a) Freezing

11. What will be the output of the following PHP code if $x is 15?

if ($x > 10) {

    echo "Greater";

} elseif ($x == 10) {

    echo "Equal";

} else {

    echo "Smaller";

}

a) Greater
b) Equal
c) Smaller
d) Error

Answer: a) Greater

12. What is the correct syntax for a switch statement in PHP?

a) switch (condition) { case value1: // code break; case value2: // code break; default: // code }

b) 

switch (expression) {

    case value1:

        // code

        break;

    case value2:

        // code

        break;

    else:

        // code

}

c)switch (expression) { case value1: // code break; case value2: // code break; default: // code }

d) switch (expression) {

    case value1:

        // code

    case value2:

        // code

        break;

    default:

        // code

}

Answer: a) ```php switch (condition) { case value1: // code break; case value2: // code break; default: // code }

13. What will be the output of the following PHP code if `$num` is `7`?

if ($num % 2 == 0) {

    echo "Even";

} else {

    echo "Odd";

}

a) Even
b) Odd
c) Error
d) Nothing

Answer: b) Odd

14. What is the result of the following PHP code if $value is 2?

switch ($value) {

    case 1:

        echo "First";

        break;

    case 2:

        echo "Second";

        break;

    case 3:

        echo "Third";

        break;

    default:

        echo "None";

}

a) First
b) Second
c) Third
d) None

Answer: b) Second

15. How many break statements are required in a switch statement if you want to execute only one case?

a) None
b) One
c) Two
d) Depends on the number of cases

Answer: b) One

16. What will be the output of the following PHP code if $score is 55?

if ($score >= 90) {

    echo "Excellent";

} elseif ($score >= 70) {

    echo "Good";

} elseif ($score >= 50) {

    echo "Pass";

} else {

    echo "Fail";

}

a) Excellent
b) Good
c) Pass
d) Fail

Answer: c) Pass

17. What will be the output of the following PHP code if $x is 0?

if ($x) {

    echo "True";

} else {

    echo "False";

}

a) True
b) False
c) Error
d) Nothing

Answer: b) False

18. What is the correct syntax for using multiple case statements in a switch block?

a) case value1: case value2: // code break;

b) case value1 || value2:

    // code

    break;

c) case value1, value2: // code break;

d)case value1, value2:

    // code

    continue;

Answer: a)  case value1: case value2: // code break;

19. What will be the output of the following PHP code if `$a` is `5` and `$b` is `10`?

if ($a > $b) {

    echo "a is greater";

} elseif ($a < $b) {

    echo "b is greater";

} else {

    echo "a and b are equal";

}

a) a is greater
b) b is greater
c) a and b are equal
d) Error

Answer: b) b is greater

20. Which statement will execute if none of the case conditions match in a switch statement?

a) The code block following break
b) The code block following continue
c) The code block following default
d) None

Answer: c) The code block following default

21. What will be the result of the following PHP code if $age is 25?

if ($age < 13) {

    echo "Child";

} elseif ($age < 20) {

    echo "Teenager";

} elseif ($age < 60) {

    echo "Adult";

} else {

    echo "Senior";

}

a) Child
b) Teenager
c) Adult
d) Senior

Answer: c) Adult

22. What will be the output of the following PHP code if $x is 5?

php

Copy code

switch ($x) {

    case 1:

    case 2:

    case 3:

        echo "Low";

        break;

    case 4:

    case 5:

        echo "Medium";

        break;

    case 6:

    case 7:

        echo "High";

        break;

    default:

        echo "Undefined";

}

a) Low
b) Medium
c) High
d) Undefined

Answer: b) Medium

23. What will be the output of the following PHP code if $number is 10?

if ($number % 2 == 0) {

    if ($number % 3 == 0) {

        echo "Divisible by 6";

    } else {

        echo "Divisible by 2 but not 3";

    }

} else {

    echo "Not divisible by 2";

}

a) Divisible by 6
b) Divisible by 2 but not 3
c) Not divisible by 2
d) Error

Answer: b) Divisible by 2 but not 3

24. What will be the result of the following PHP code if $score is 75?

if ($score >= 50 && $score < 60) {

    echo "Pass";

} elseif ($score >= 60 && $score < 75) {

    echo "Good";

} elseif ($score >= 75) {

    echo "Excellent";

} else {

    echo "Fail";

}

a) Pass
b) Good
c) Excellent
d) Fail

Answer: a) Good

25. Which PHP statement will be executed if $day is 7 in the following code?

switch ($day) {

    case 1:

        echo "Monday";

        break;

    case 2:

        echo "Tuesday";

        break;

    case 3:

        echo "Wednesday";

        break;

    case 4:

        echo "Thursday";

        break;

    case 5:

        echo "Friday";

        break;

    case 6:

        echo "Saturday";

        break;

    case 7:

        echo "Sunday";

        break;

    default:

        echo "Invalid day";

}

a) Monday
b) Saturday
c) Sunday
d) Invalid day

Answer: c) Sunday

26. What will be the result of the following PHP code if $age is 16?

if ($age >= 13 && $age < 18) {

    echo "Teen";

} else {

    echo "Not a Teen";

}

a) Teen
b) Not a Teen
c) Error
d) Nothing

Answer: a) Teen

27. What will be the output of the following PHP code if $x is 3?

switch ($x) {

    case 1:

        echo "One";

        break;

    case 2:

    case 3:

        echo "Two or Three";

        break;

    case 4:

        echo "Four";

        break;

    default:

        echo "Other";

}

a) One
b) Two or Three
c) Four
d) Other

Answer: b) Two or Three

28. What will be the result of the following PHP code if $number is 7?

if ($number > 5) {

    if ($number < 10) {

        echo "Between 6 and 9";

    } else {

        echo "10 or greater";

    }

} else {

    echo "5 or less";

}

a) Between 6 and 9
b) 10 or greater
c) 5 or less
d) Error

Answer: a) Between 6 and 9

29. What will be the output of the following PHP code if $value is 4?

switch ($value) {

    case 1:

    case 2:

    case 3:

        echo "Low";

        break;

    case 4:

    case 5:

        echo "Medium";

        break;

    case 6:

        echo "High";

        break;

    default:

        echo "Undefined";

}

a) Low
b) Medium
c) High
d) Undefined

Answer: b) Medium

30. What will be the result of the following PHP code if $x is true?

if ($x) {

    echo "True";

} else {

    echo "False";

}

a) True
b) False
c) Error
d) Nothing

Answer: a) True

31. What will be the output of the following PHP code if $temperature is -1?

if ($temperature > 0) {

    echo "Above freezing";

} elseif ($temperature == 0) {

    echo "At freezing";

} else {

    echo "Below freezing";

}

a) Above freezing
b) At freezing
c) Below freezing
d) Error

Answer: c) Below freezing

32. Consider the following code. What will be the output if $value is 3?

switch ($value) {

    case 1:

        echo "One";

        break;

    case 2:

        echo "Two";

        break;

    case 3:

    case 4:

        echo "Three or Four";

        break;

    default:

        echo "Other";

}

a) One
b) Two
c) Three or Four
d) Other

Answer: c) Three or Four

33. What will be the output of the following PHP code?

$x = 10;

if ($x < 5) {

    echo "Less than 5";

} elseif ($x < 15) {

    echo "Between 5 and 15";

} else {

    echo "15 or more";

}

a) Less than 5
b) Between 5 and 15
c) 15 or more
d) Error

Answer: b) Between 5 and 15

34. What will be the result of the following PHP code if $day is 6?

switch ($day) {

    case 1:

    case 2:

    case 3:

    case 4:

    case 5:

        echo "Weekday";

        break;

    case 6:

    case 7:

        echo "Weekend";

        break;

    default:

        echo "Invalid day";

}

a) Weekday
b) Weekend
c) Invalid day
d) Error

Answer: b) Weekend

35. How would you correctly handle multiple conditions in a nested if statement?

$age = 20;

$membership = "Gold";

if ($age > 18) {

    if ($membership == "Gold") {

        echo "Adult Gold Member";

    } else {

        echo "Adult Non-Gold Member";

    }

} else {

    echo "Not an Adult";

}

a) Adult Gold Member
b) Adult Non-Gold Member
c) Not an Adult
d) Error

Answer: a) Adult Gold Member

36. What is the output of the following PHP code if $x is 15?

switch (true) {

    case ($x < 10):

        echo "Less than 10";

        break;

    case ($x >= 10 && $x <= 20):

        echo "Between 10 and 20";

        break;

    case ($x > 20):

        echo "Greater than 20";

        break;

    default:

        echo "Undefined";

}

a) Less than 10
b) Between 10 and 20
c) Greater than 20
d) Undefined

Answer: b) Between 10 and 20

37. What will be the result of this PHP code if $score is 85?

if ($score >= 90) {

    echo "Excellent";

} elseif ($score >= 80) {

    echo "Very Good";

} elseif ($score >= 70) {

    echo "Good";

} else {

    echo "Needs Improvement";

}

a) Excellent
b) Very Good
c) Good
d) Needs Improvement

Answer: b) Very Good

38. What will be the output of the following PHP code if $value is 7?

switch ($value % 2) {

    case 0:

        echo "Even";

        break;

    case 1:

        echo "Odd";

        break;

    default:

        echo "Unknown";

}

a) Even
b) Odd
c) Unknown
d) Error

Answer: b) Odd

39. What will be the result of the following PHP code if $score is 60?

if ($score >= 50) {

    if ($score >= 60) {

        echo "Pass";

    } else {

        echo "Fail";

    }

} else {

    echo "Fail";

}

a) Pass
b) Fail
c) Error
d) Nothing

Answer: a) Pass

40. Which of the following PHP statements will output "Hello World" based on $language?

switch ($language) {

    case "English":

        echo "Hello World";

        break;

    case "Spanish":

        echo "Hola Mundo";

        break;

    case "French":

        echo "Bonjour le Monde";

        break;

    default:

        echo "Language not supported";

}

a) Hello World
b) Hola Mundo
c) Bonjour le Monde
d) Language not supported

Answer: a) Hello World (assuming $language is set to "English")

41. What will be the output of the following PHP code if $age is 18?

if ($age < 18) {

    echo "Minor";

} elseif ($age >= 18 && $age <= 65) {

    echo "Adult";

} else {

    echo "Senior";

}

a) Minor
b) Adult
c) Senior
d) Error

Answer: b) Adult

42. What is the output of the following PHP code if $score is 100?

if ($score >= 90) {

    echo "A";

} elseif ($score >= 80) {

    echo "B";

} elseif ($score >= 70) {

    echo "C";

} elseif ($score >= 60) {

    echo "D";

} else {

    echo "F";

}

a) A
b) B
c) C
d) D

Answer: a) A

43. What will be the output of the following PHP code if $day is 5?

switch ($day) {

    case 1:

    case 2:

    case 3:

    case 4:

    case 5:

        echo "Weekday";

        break;

    case 6:

    case 7:

        echo "Weekend";

        break;

    default:

        echo "Invalid day";

}

a) Weekday
b) Weekend
c) Invalid day
d) Error

Answer: a) Weekday

44. What will be the result of this PHP code if $x is 0?

if ($x) {

    echo "True";

} else {

    echo "False";

}

a) True
b) False
c) Error
d) Nothing

Answer: b) False

45. What will be the output of the following PHP code?

$x = 10;

$y = 20;

if ($x > $y) {

    echo "x is greater";

} elseif ($x < $y) {

    echo "y is greater";

} else {

    echo "x and y are equal";

}

a) x is greater
b) y is greater
c) x and y are equal
d) Error

Answer: b) y is greater

46. What will be the output of the following PHP code if $value is 3?

switch ($value) {

    case 1:

        echo "One";

        break;

    case 2:

        echo "Two";

        break;

    case 3:

    case 4:

        echo "Three or Four";

        break;

    default:

        echo "Other";

}

a) One
b) Two
c) Three or Four
d) Other

Answer: c) Three or Four

47. What will be the output of the following PHP code?

$x = 10;

$y = 20;

$z = 30;

if ($x < $y) {

    if ($y < $z) {

        echo "All conditions true";

    } else {

        echo "Second condition false";

    }

} else {

    echo "First condition false";

}

a) All conditions true
b) Second condition false
c) First condition false
d) Error

Answer: a) All conditions true

48. What will be the output if $x is 2 and $y is 3?

if ($x == 2 && $y == 3) {

    echo "Both are correct";

} elseif ($x == 2 || $y == 3) {

    echo "One is correct";

} else {

    echo "Neither is correct";

}

a) Both are correct
b) One is correct
c) Neither is correct
d) Error

Answer: a) Both are correct

49. What will be the result of the following PHP code?

$x = 5;

switch (true) {

    case ($x < 5):

        echo "Less than 5";

        break;

    case ($x == 5):

        echo "Equal to 5";

        break;

    case ($x > 5):

        echo "Greater than 5";

        break;

    default:

        echo "Undefined";

}

a) Less than 5
b) Equal to 5
c) Greater than 5
d) Undefined

Answer: b) Equal to 5

50. What will be the output of the following PHP code if $score is 65?

if ($score >= 70) {

    echo "Pass";

} else {

    if ($score >= 60) {

        echo "Barely Pass";

    } else {

        echo "Fail";

    }

}

a) Pass
b) Barely Pass
c) Fail
d) Error

Answer: b) Barely Pass

 Control Structures - Part 2 Objective: Understand and use loops (for, while, do...while) for repetitive tasks. Learn loop control techniques. Outcome: Students will be able to use for, while, and do...while loops to iterate over data and control loop execution with break and continue.

ChatGPT said:

ChatGPT

Sure! Here are some multiple-choice questions focused on PHP loops (for, while, do...while) and loop control techniques (break, continue).

1. What will be the output of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    echo $i . " ";

}

a) 0 1 2
b) 1 2 3
c) 0 1 2 3
d) 1 2

Answer: a) 0 1 2

2. What will be the result of the following PHP code?

$i = 0;

while ($i < 5) {

    echo $i . " ";

    $i += 2;

}

a) 0 2 4
b) 0 2 4 6
c) 1 3 5
d) 0 1 2 3 4

Answer: a) 0 2 4

3. What will be the output of the following PHP code?

$i = 0;

do {

    echo $i . " ";

    $i++;

} while ($i < 3);

a) 0 1 2
b) 1 2 3
c) 0 1 2 3
d) 0 1 2 3 4

Answer: a) 0 1 2

4. What is the result of the following PHP code if $x is 5?

php

Copy code

for ($i = 0; $i < $x; $i++) {

    if ($i == 3) {

        break;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 1 2
c) 0 1 2 3 4
d) 0 1 2 3 4 5

Answer: b) 0 1 2

5. What will be the output of the following PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i % 2 == 0) {

        continue;

    }

    echo $i . " ";

}

a) 1 3
b) 0 2
c) 1 2 3
d) 0 1 2 3

Answer: a) 1 3

6. What will be the result of the following PHP code?

php

Copy code

$i = 1;

while ($i <= 3) {

    echo $i . " ";

    $i++;

    if ($i == 2) {

        continue;

    }

    break;

}

a) 1 2 3
b) 1 2
c) 1 2 3
d) 1

Answer: d) 1

7. What will be the output of the following PHP code?

for ($i = 1; $i <= 5; $i++) {

    if ($i == 3) {

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

}

a) 1 2 3
b) 1 2 3 4
c) 1 2
d) 1 2 3 4 5

Answer: c) 1 2

8. What will be the result of this PHP code?

$i = 0;

do {

    echo $i . " ";

    $i++;

} while ($i < 0);

a) 0
b) 0
c) Nothing
d) Error

Answer: a) 0

9. What will be the output of the following PHP code if $n is 4?

for ($i = 1; $i <= $n; $i++) {

    if ($i == 3) {

        continue;

    }

    echo $i . " ";

}

a) 1 2 4
b) 1 2 3 4
c) 1 2
d) 1 2 3

Answer: a) 1 2 4

10. What will be the result of the following PHP code?

$x = 0;

while ($x < 3) {

    if ($x == 1) {

        $x++;

        continue;

    }

    echo $x . " ";

    $x++;

}

a) 0 1 2
b) 0 2
c) 1 2
d) 0 1

Answer: b) 0 2

11. What will be the output of the following PHP code?

$i = 1;

while ($i < 5) {

    if ($i == 3) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 1 2 3 4
b) 1 2 4
c) 1 2
d) 1 3 4

Answer: b) 1 2 4

12. What will be the result of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    for ($j = 0; $j < 2; $j++) {

        if ($j == 1) {

            break;

        }

        echo $i . $j . " ";

    }

}

a) 00 01 10 11
b) 00 01 10
c) 00 01
d) 01 10

Answer: c) 00 01

13. What will be the output of the following PHP code?

$x = 0;

while ($x < 5) {

    if ($x % 2 == 0) {

        echo $x . " ";

    }

    $x++;

    if ($x == 4) {

        break;

    }

}

a) 0 2 4
b) 0 2
c) 0 2 4 6
d) 0 1 2 3

Answer: b) 0 2

14. What will be the result of the following PHP code?

$i = 1;

do {

    echo $i . " ";

    $i++;

    if ($i > 3) {

        break;

    }

} while ($i < 5);

a) 1 2 3
b) 1 2 3 4
c) 1 2 3 4 5
d) 1 2

Answer: a) 1 2 3

15. What will be the output of the following PHP code if $n is 3?

for ($i = 0; $i < 5; $i++) {

    if ($i % $n == 0) {

        continue;

    }

    echo $i . " ";

}

a) 1 2 3 4
b) 1 2 4
c) 0 1 2 3 4
d) 1 2 3 4

Answer: b) 1 2 4

16. What will be the result of the following PHP code?

$i = 0;

do {

    $i++;

    if ($i == 3) {

        continue;

    }

    echo $i . " ";

} while ($i < 5);

a) 1 2 3 4
b) 1 2 4
c) 1 2 3
d) 1 2

Answer: b) 1 2 4

17. What will be the output of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    for ($j = 0; $j < 3; $j++) {

        if ($j == 2) {

            continue 2;

        }

        echo $i . $j . " ";

    }

}

a) 00 01 10 11 20
b) 00 01 10
c) 00 01 10 11
d) 00 01

Answer: b) 00 01 10

18. What will be the result of the following PHP code?

$i = 1;

while ($i < 5) {

    if ($i == 2) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 1 2 3 4
b) 1 3 4
c) 1 2 3
d) 1 2

Answer: b) 1 3 4

19. What will be the output of the following PHP code?

$x = 0;

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        continue;

    }

    $x += $i;

}

echo $x;

a) 4
b) 5
c) 6
d) 7

Answer: a) 4

20. What will be the result of the following PHP code?

$i = 0;

while ($i < 5) {

    $i++;

    if ($i == 3) {

        continue;

    }

    echo $i . " ";

}

a) 1 2 3 4 5
b) 1 2 4 5
c) 1 2 3 4
d) 1 2 4 5

Answer: b) 1 2 4 5

21. What will be the output of the following PHP code?

$i = 0;

while ($i < 5) {

    if ($i == 3) {

        break;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3
b) 0 1 2
c) 1 2 3
d) 0 1 2 3 4

Answer: b) 0 1 2

22. What will be the result of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    for ($j = 0; $j < 3; $j++) {

        if ($i == 1 && $j == 1) {

            continue 1;

        }

        echo $i . $j . " ";

    }

}

a) 00 01 02 10 12 20 21 22
b) 00 01 02 10 20 21 22
c) 00 01 02 11 20 21 22
d) 00 01 02 10 20

Answer: d) 00 01 02 10 20

23. What will be the output of the following PHP code?

$i = 0;

do {

    if ($i == 2) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2
b) 0 1
c) 0 1 2 3
d) 1 2

Answer: b) 0 1

24. What will be the result of this PHP code?

$i = 1;

while ($i < 5) {

    if ($i == 3) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 1 2 3 4
b) 1 2 4
c) 1 2
d) 1 2 3

Answer: b) 1 2 4

25. What will be the output of the following PHP code?

for ($i = 1; $i <= 4; $i++) {

    if ($i % 2 != 0) {

        continue;

    }

    echo $i . " ";

}

a) 1 2 3 4
b) 2 4
c) 1 3
d) 0

Answer: b) 2 4

26. What will be the result of the following PHP code?

$i = 0;

while ($i < 4) {

    $i++;

    if ($i == 2) {

        continue;

    }

    echo $i . " ";

}

a) 1 2 3 4
b) 1 3 4
c) 2 3 4
d) 1 2 3

Answer: b) 1 3 4

27. What will be the output of the following PHP code?

$x = 0;

for ($i = 0; $i < 3; $i++) {

    for ($j = 0; $j < 3; $j++) {

        if ($i == 1 && $j == 1) {

            continue 2;

        }

        echo $i . $j . " ";

    }

}

a) 00 01 02 10 20 21 22
b) 00 01 02 10 20
c) 00 01 02 10 11 20
d) 00 01 02 10 20 21

Answer: b) 00 01 02 10 20

28. What will be the result of the following PHP code?

$i = 1;

do {

    if ($i == 2) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 1 2 3
b) 1 3
c) 1 2
d) 1

Answer: b) 1 3

29. What will be the output of the following PHP code?

for ($i = 0; $i < 5; $i++) {

    if ($i % 2 == 0) {

        continue;

    }

    echo $i . " ";

}

a) 1 3 5
b) 0 2 4
c) 1 3
d) 0 1 2 3 4

Answer: a) 1 3

30. What will be the result of the following PHP code?

$i = 0;

do {

    if ($i == 2) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2 3 4
b) 0 1 3 4
c) 0 1 2 3
d) 0 1 3

Answer: b) 0 1 3 4

31. What will be the output of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        continue 2;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 2
c) 0
d) 1 2

Answer: c) 0

32. What will be the result of this PHP code?

$i = 0;

while ($i < 5) {

    if ($i % 2 != 0) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 0 2 4
b) 1 3 5
c) 1 2 3 4
d) 0 1 2 3 4

Answer: a) 0 2 4

33. What will be the output of the following PHP code?

for ($i = 1; $i <= 4; $i++) {

    if ($i == 2) {

        continue;

    }

    echo $i . " ";

}

a) 1 2 3 4
b) 1 3 4
c) 1 2 3
d) 1 3 4 5

Answer: b) 1 3 4

34. What will be the result of the following PHP code?

$i = 0;

do {

    if ($i == 2) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2 3
b) 0 1 3
c) 0 1
d) 0 1 2

Answer: b) 0 1 3

35. What will be the output of this PHP code?

$x = 0;

while ($x < 3) {

    $x++;

    if ($x == 2) {

        break;

    }

    echo $x . " ";

}

a) 1 2
b) 1
c) 1 2 3
d) 0 1

Answer: b) 1

36. What will be the result of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    for ($j = 0; $j < 3; $j++) {

        if ($j == 1) {

            continue 2;

        }

        echo $i . $j . " ";

    }

}

a) 00 01 02 10 20 21 22
b) 00 01 10 20
c) 00 01 02 10 11 20
d) 00 01 10

Answer: b) 00 01 10 20

37. What will be the output of this PHP code?

$i = 0;

while ($i < 4) {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 2) {

        break;

    }

    echo $i . " ";

    $i++;

}

a) 0 1
b) 0 1 2
c) 0 1 2 3
d) 0 1 2

Answer: a) 0 1

38. What will be the result of the following PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

} while ($i < 3);

a) 0 1 2
b) 0 2
c) 0 1
d) 0 1 2 3

Answer: b) 0 2

39. What will be the output of the following PHP code?

for ($i = 0; $i < 5; $i++) {

    if ($i % 2 == 0) {

        continue;

    }

    echo $i . " ";

}

a) 0 2 4
b) 1 3
c) 1 2 3 4
d) 1 2 3

Answer: b) 1 3

40. What will be the result of the following PHP code?

$i = 1;

do {

    if ($i == 2) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 1 2
b) 1
c) 1 2 3
d) 1 2 3 4

Answer: b) 1

These questions are designed to test understanding of various loop constructs and their control mechanisms in PHP.

4o mini

You said:

Can u give some more from same concept

ChatGPT said:

ChatGPT

Certainly! Here are more multiple-choice questions focusing on PHP loops and control structures:

41. What will be the output of the following PHP code?

$i = 0;

do {

    if ($i == 2) {

        $i++;

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2 3
b) 0 1 2
c) 0 1 2 3 4
d) 0 1 2 4

Answer: a) 0 1 3

42. What will be the result of this PHP code?

php

Copy code

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        break;

    }

    echo $i . " ";

}

a) 0 1
b) 0
c) 1 2
d) 0 1 2

Answer: b) 0

43. What will be the output of the following PHP code?

$i = 0;

while ($i < 4) {

    $i++;

    if ($i == 2) {

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

}

a) 1 2 3
b) 1 2
c) 1 2 3 4
d) 1

Answer: d) 1

44. What will be the result of the following PHP code?

php

Copy code

for ($i = 1; $i <= 4; $i++) {

    if ($i % 2 == 0) {

        continue 2;

    }

    echo $i . " ";

}

a) 1 2 3 4
b) 1 3
c) 1 2
d) 1

Answer: b) 1 3

45. What will be the output of the following PHP code?

$i = 1;

while ($i <= 5) {

    if ($i == 3) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 1 2 3 4 5
b) 1 2 4 5
c) 1 2 3 4
d) 1 2 4

Answer: b) 1 2 4 5

46. What will be the result of the following PHP code?

php

Copy code

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        continue 1;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 1 3
c) 0 1
d) 0 1 2

Answer: a) 0 1 3

47. What will be the output of this PHP code?

$i = 1;

do {

    if ($i == 4) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 1 2 3 4
b) 1 2 3
c) 1 2 3 4 5
d) 1 2

Answer: b) 1 2 3

48. What will be the result of the following PHP code?

$i = 0;

while ($i < 5) {

    if ($i % 2 == 0) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 0 2 4
b) 1 3
c) 1 2 3 4
d) 0 1 2 3 4

Answer: b) 1 3

49. What will be the output of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        break;

    }

    echo $i . " ";

}

a) 0 1
b) 0
c) 1 2
d) 0 1 2

Answer: b) 0

50. What will be the result of the following PHP code?

php

Copy code

$i = 0;

do {

    if ($i == 2) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2 3 4
b) 0 1 3 4
c) 0 1 2
d) 0 1 3

Answer: b) 0 1 3 4

51. What will be the output of the following PHP code?

$i = 0;

while ($i < 4) {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 2) {

        break;

    }

    echo $i . " ";

    $i++;

}

a) 0 1
b) 0 1 2
c) 0 1 2 3
d) 0 1 3

Answer: a) 0 1

52. What will be the result of this PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        continue 2;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 1 3
c) 0 1
d) 0 1 2

Answer: b) 0 1 3

53. What will be the output of the following PHP code?


$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2
b) 0 1 2 3
c) 0 1 3
d) 0 1 2 3 4

Answer: a) 0 1 2

54. What will be the result of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        $i++;

        continue;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 2
c) 0 1
d) 1 2

Answer: b) 0 2

55. What will be the output of this PHP code?

php

Copy code

$x = 0;

for ($i = 0; $i < 4; $i++) {

    if ($x == 2) {

        break;

    }

    if ($i % 2 == 0) {

        $x++;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 1 2 3
c) 0 1 2 3 4
d) 0 1

Answer: a) 0 1 2

56. What will be the result of the following PHP code?

$i = 0;

while ($i < 5) {

    if ($i == 3) {

        $i++;

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3
b) 0 1 2 4
c) 0 1 2
d) 0 1 2 3 4

Answer: a) 0 1 2

57. What will be the output of the following PHP code?

for ($i = 0; $i < 5; $i++) {

    if ($i == 2) {

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 1 3
c) 0 1 2 3 4
d) 0 1 2

Answer: b) 0 1 3

58. What will be the result of the following PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2 3
b) 0 2 3
c) 0 1 2
d) 0 1

Answer: b) 0 2 3

59. What will be the output of the following PHP code?

php

Copy code

$i = 0;

while ($i < 5) {

    if ($i == 3) {

        $i++;

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3
b) 0 1 2 4
c) 0 1 2
d) 0 1 2 3 4

Answer: a) 0 1 2

60. What will be the result of the following PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        break 2;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 1
c) 0 1 2 3
d) 0

Answer: b) 0 1

61. What will be the output of the following PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i == 1) {

        continue 1;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 2 3
c) 0 1 3
d) 0 1 2

Answer: c) 0 2 3

62. What will be the result of this PHP code?

$i = 0;

while ($i < 4) {

    if ($i == 2) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3
b) 0 1 3
c) 0 1
d) 0 1 2

Answer: b) 0 1 3

63. What will be the output of the following PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2
b) 0 1 2 3
c) 0 1 3
d) 0 1 2 3 4

Answer: a) 0 1 2

64. What will be the result of the following PHP code?

$i = 0;

while ($i < 5) {

    if ($i % 2 == 0) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3 4
b) 1 3
c) 0 2 4
d) 1 2 3 4

Answer: b) 1 3

65. What will be the output of this PHP code?

for ($i = 0; $i < 5; $i++) {

    if ($i == 3) {

        continue 2;

    }

    echo $i . " ";

}

a) 0 1 2 3 4
b) 0 1 2
c) 0 1 2 4
d) 0 1 2 3

Answer: b) 0 1 2

66. What will be the result of the following PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 6);

a) 0 1 2 3
b) 0 1 2 3 4
c) 0 1 2 3 4 5
d) 0 1 2 4

Answer: a) 0 1 2 3

67. What will be the output of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        $i++;

        continue;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 2
c) 0 1
d) 1 2

Answer: b) 0 2

68. What will be the result of the following PHP code?

$i = 0;

while ($i < 5) {

    if ($i == 3) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3
b) 0 1 2 4
c) 0 1 2
d) 0 1 2 3 4

Answer: b) 0 1 2 4

69. What will be the output of this PHP code?

$i = 0;

do {

    if ($i == 2) {

        $i++;

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2
b) 0 1
c) 0 1 2 3
d) 0 1 2 3 4

Answer: b) 0 1

70. What will be the result of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 2) {

        break;

    }

    echo $i . " ";

}

a) 0 1
b) 0 1 2
c) 0 1 2 3
d) 0

Answer: a) 0

71. What will be the output of the following PHP code?

$i = 1;

while ($i < 4) {

    if ($i == 2) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 1 2 3
b) 1 3
c) 1 2
d) 1

Answer: b) 1 3

72. What will be the result of this PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        $i++;

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

}

a) 0 1
b) 0 1 2
c) 0 1 2 3
d) 0 1 2 3 4

Answer: a) 0 1

73. What will be the output of the following PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2
b) 0 2 3
c) 0 1
d) 0 1 2 3

Answer: b) 0 2 3

74. What will be the result of the following PHP code?

$i = 0;

for ($i = 0; $i < 5; $i++) {

    if ($i == 3) {

        break 2;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 1 2 3
c) 0 1 2 3 4
d) 0

Answer: a) 0 1 2

75. What will be the output of this PHP code?

$i = 0;

while ($i < 5) {

    if ($i == 3) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3 4
b) 0 1 2 4
c) 0 1 2
d) 0 1 2 3

Answer: b) 0 1 2 4

76. What will be the result of this PHP code?

$i = 0;

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 1 3
c) 0 1
d) 0 1 2 3

Answer: c) 0 1

77. What will be the output of the following PHP code?

$i = 0;

do {

    if ($i == 2) {

        $i++;

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2
b) 0 1
c) 0 1 2 3
d) 0 1 2 3 4

Answer: b) 0 1

78. What will be the result of this PHP code?

$i = 0;

while ($i < 5) {

    if ($i == 2) {

        $i++;

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3
b) 0 1 2 4
c) 0 1 2
d) 0 1 2 3 4

Answer: a) 0 1 2 3

79. What will be the output of the following PHP code?

for ($i = 0; $i < 3; $i++) {

    if ($i == 1) {

        $i++;

        continue 2;

    }

    echo $i . " ";

}

a) 0 1 2
b) 0 2
c) 0 1
d) 1 2

Answer: b) 0 2

80. What will be the result of this PHP code?

$i = 0;

for ($i = 0; $i < 5; $i++) {

    if ($i == 4) {

        continue 2;

    }

    echo $i . " ";

}

a) 0 1 2 3 4
b) 0 1 2 3
c) 0 1 2 3 4 5
d) 0 1 2 3 4

Answer: b) 0 1 2 3

81. What will be the output of the following PHP code?

$i = 0;

while ($i < 3) {

    if ($i == 1) {

        $i++;

        continue;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2
b) 0 2
c) 0 1
d) 1 2

Answer: b) 0 2

82. What will be the result of this PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        continue 2;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 1
c) 0 1 2
d) 0 1 3

Answer: d) 0 1 3

83. What will be the output of the following PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 5);

a) 0 1 2
b) 0 1 2 3
c) 0 1
d) 0 1 2 3 4

Answer: a) 0 1 2

84. What will be the result of the following PHP code?

$i = 0;

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        $i++;

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

}

a) 0 1
b) 0 1 2
c) 0 1 2 3
d) 0

Answer: a) 0 1

85. What will be the output of this PHP code?

$i = 0;

while ($i < 5) {

    if ($i == 2) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2 3 4
b) 0 1 3 4
c) 0 1 2
d) 0 1 2 3

Answer: b) 0 1 3 4

86. What will be the result of the following PHP code?

$i = 0;

do {

    if ($i == 2) {

        $i++;

        break;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2
b) 0 1
c) 0 1 2 3
d) 0 1 2 3 4

Answer: b) 0 1

87. What will be the output of this PHP code?

for ($i = 0; $i < 5; $i++) {

    if ($i == 3) {

        $i++;

        continue;

    }

    if ($i == 4) {

        break;

    }

    echo $i . " ";

}

a) 0 1 2 3
b) 0 1 2
c) 0 1 2 3 4
d) 0 1 2 3 4

Answer: b) 0 1 2

88. What will be the result of the following PHP code?

$i = 0;

while ($i < 3) {

    if ($i == 1) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

}

a) 0 1 2
b) 0 2
c) 0 1
d) 1 2

Answer: b) 0 2

89. What will be the output of this PHP code?

$i = 0;

do {

    if ($i == 1) {

        $i++;

        continue 2;

    }

    echo $i . " ";

    $i++;

} while ($i < 4);

a) 0 1 2
b) 0 2 3
c) 0 1 2 3
d) 0 1

Answer: b) 0 2 3

90. What will be the result of the following PHP code?

for ($i = 0; $i < 4; $i++) {

    if ($i == 2) {

        continue;

    }

    if ($i == 3) {

        break;

    }

    echo $i . " ";

}

a) 0 1
b) 0 1 2
c) 0 1 2 3
d) 0

Answer: a) 0 1






No comments:

Post a Comment

Pages

SoraTemplates

Best Free and Premium Blogger Templates Provider.

Buy This Template