Welcome to the Object Oriented PHP MCQs Page

Dive deep into the fascinating world of Object Oriented PHP with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Object Oriented PHP, a crucial aspect of PHP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Object Oriented PHP, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within PHP.

Check out the MCQs below to embark on an enriching journey through Object Oriented PHP. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of PHP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Object Oriented PHP. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Object Oriented PHP MCQs | Page 5 of 7

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Functions in PHP

Q41.

Which one of the following is the right way to call a class constant, given that the class is mathFunction?

echo PI;

echo mathFunction->PI;

echo mathFunction::PI;

echo mathFunction=PI;

Discuss

Answer: (c).echo mathFunction::PI;

Q42.

Which one of the following is the right way to invoke a method?

$object->methodName();

object->methodName();

object::methodName();

$object::methodName();

Discuss

Answer: (a).$object->methodName();

Q43.

Which of the following is/are the right way to declare a method?

i) function functionName() { function body }
ii) scope function functionName() { function body }
iii) method methodName() { method body }
iv) scope method methodName() { method body }

Only ii)

Only iv)

i) and ii)

iii) and iv)

Discuss

Answer: (c).i) and ii)

Q44.

Which of the following method scopes is/are not supported by PHP?

i) private
ii) final
iii) static
iv) abstract

Only ii)

Only iv)

ii) and iv)

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q45.

Which method scope prevents a method from being overridden by a subclass?

Abstract

Protected

Final

Static

Discuss

Answer: (c).Final

Q46.

Which of the following statements is/are true about Constructors in PHP?

i) PHP 4 introduced class constructors.
ii) Constructors can accept parameters.
iii) Constructors can call class methods or other functions.
iv) Class constructors can call on other constructors.

ii) and iii)

All of the mentioned

None of the mentioned

ii), iii) and iv)

Discuss

Answer: (b).All of the mentioned

Q47.

PHP recognizes constructors by the name_________

classname()

_construct()

function _construct()

function __construct()

Discuss

Answer: (d).function __construct()

Q48.

Which version of PHP introduced the instanceof keyword?

PHP 4

PHP 5

PHP 5.3

PHP 6

Discuss

Answer: (b).PHP 5

Q49.

Which one of the following functions is used to determine whether a class exists?

exist()

exist_class()

class_exist()

__exist()

Discuss

Answer: (c).class_exist()

Q50.

Which one of the following functions is used to determine object type?

obj_type()

type()

is_a()

is_obj()

Discuss

Answer: (c).is_a()

Page 5 of 7

Welcome to the Object Oriented PHP MCQs Page

Object Oriented PHP MCQs | Page 5 of 7

Explore more Topics under PHP

Basics of PHP

Arrays and Functions in PHP

Error and Exception Handling in PHP

Strings and Regular Expressions

PHP Filesystem

Session Handling in PHP

Objects and Databases in PHP

Object Tools and Variables

Constants and Operators in PHP

PHP Controls Structures

Functions in PHP

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