Welcome to the Object Tools and Variables MCQs Page

Dive deep into the fascinating world of Object Tools and Variables with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Object Tools and Variables, a crucial aspect of PHP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Object Tools and Variables, 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 Tools and Variables. 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 Tools and Variables. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Object Tools and Variables MCQs | Page 9 of 17

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Q81.

What will be the output if a protected method is given as argument to the function method_exist()?

Method does not exist

False

Error

True

Discuss

Answer: (d).True

Q82.

Which one of the following function should I use to find the parent class of a class?

get_parent_class()

parent_class()

class_parent()

get_class_parent()

Discuss

Answer: (a).get_parent_class()

Q83.

Which class accepts a class name or an object reference and returns an array of interface name?

class_implements()

is_subclass()

is_subclass_of()

class_interface()

Discuss

Answer: (a).class_implements()

Q84.

Object-oriented code tries to minimize dependencies by moving responsibility for handling tasks away from ___ and toward the objects in the system.

server code

client code

machine code

procedural code

Discuss

Answer: (b).client code

Q85.

Placing a static method for generating ___ objects in the ___ class is convenient.

child parent

parent child

final static

static final

Discuss

Answer: (a).child parent

Q86.

The extent to which proximate procedures are related to one another is known as…

Coupling

Balancing

Cohesion

Co-relation

Discuss

Answer: (c).Cohesion

Q87.

______ occurs when discrete parts of a system’s code are tightly bound up with one another so that a change in one part necessitates changes in the others.

Loose Coupling

Tight Coupling

Co-relation

Balancing

Discuss

Answer: (b).Tight Coupling

Q88.

________ code makes change easier because the impact of altering an implementation will be localized to the component being altered.

Orthogonal

Cohesion

Coupling

Balancing

Discuss

Answer: (a).Orthogonal

Q89.

Polymorphism is also known as______

switch

overact

encapsulation

class switching

Discuss

Answer: (d).class switching

Q90.

Which one of the following is known as the key to object-oriented programming ?

Polymorphism

Encapsulation

Data Abstraction

Orthogonality

Discuss

Answer: (b).Encapsulation

Page 9 of 17

Welcome to the Object Tools and Variables MCQs Page

Object Tools and Variables MCQs | Page 9 of 17

Explore more Topics under PHP

Basics of PHP

Arrays and Functions in PHP

Object Oriented PHP

Error and Exception Handling in PHP

Strings and Regular Expressions

PHP Filesystem

Session Handling in PHP

Objects and Databases in PHP

Constants and Operators in PHP

PHP Controls Structures

Functions in PHP

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