Question 1

A constructor function is a special function that is called automatically when an object from a class is instantiated.

Accepted Answer

A) True 
 B)False

Question 2

To create a class in PHP, use the ____ keyword to write a class definition.

Accepted Answer

A)  definition 
B)  class 
C)  create 
D)  construct

Question 3

A hyphen and a greater-than symbol used to access the methods and properties contained in an object are referred to as ____.

Accepted Answer

A)  class 
B)  member selection notation 
C)  selector 
D)  data structure

Question 4

There are three levels of access specifiers in PHP: public, private, and protected.

Accepted Answer

A) True 
 B)False

Question 5

____ are variables associated with an object.

Accepted Answer

A)  Properties 
B)  Components 
C)  Elements 
D)  Parameters

Question 6

When you serialize an object with the serialize() function, PHP looks in the object's class for a special function named __sleep() function, which you can use to perform many of same tasks as a destructor function.

Accepted Answer

A) True 
 B)False

Question 7

The public access specifier allows anyone to call a class's member function or to modify or retrieve the value of a data member.

Accepted Answer

A) True 
 B)False

Question 8

The best way to initialize a data member is with a(n) ____________________.

Accepted Answer

The answer of The best way to initialize a data...

Question 9

The ____ portion of the class definition is the name of the new class.

Accepted Answer

A)  Definition 
B)  Object 
C)  MemberClass 
D)  ClassName

Question 10

To determine if the database connection failed when working with a mysqli object, you need to use the ____________________ data member of the mysqli object to retrieve the error code from the last connection attempt.

Accepted Answer

The answer of To determine if the database connection failed...

Question 11

The syntax for using the instanceof operator is object_name instanceof ____________________.

Accepted Answer

The answer of The syntax for using the instanceof operator...

Question 12

Data structures are a system for organizing ____________________.

Accepted Answer

The answer of Data structures are a system for organizing...

Question 13

Reusable software objects that can be incorporated into multiple programs is called ____.

Accepted Answer

A)  object-based programming 
B)  object-oriented programming 
C)  snipets 
D)  functions

Question 14

An object created from an existing class is called a(n) ___

Accepted Answer

A)  method 
B)  property 
C)  instance 
D)  variable

Question 15

When you delete an object from an existing class, you are said to be instantiating the object.

Accepted Answer

A) True 
 B)False

Question 16

A class constructor is a special attribute with the same name as its class that is called automatically when an object from the class is instantiated.

Accepted Answer

A) True 
 B)False

Question 17

Data refers to information contained within ____________________.

Accepted Answer

The answer of Data refers to information contained within ____________________....

Question 18

In order for a source program to communicate with an object, it must use a(n) ____________________ of methods and properties.

Accepted Answer

The answer of In order for a source program to...

Question 19

____ are functions associated with an object.

Accepted Answer

A)  Properties 
B)  Data 
C)  Methods 
D)  Return functions

Question 20

____________________ access does not restrict a class's internal access to its own members.

Accepted Answer

The answer of ____________________ access does not restrict a class's...

Exam 10: Developing Object-Oriented Php

A constructor function is a special function that is called automatically when an object from a class is instantiated.

To create a class in PHP, use the ____ keyword to write a class definition.

A hyphen and a greater-than symbol used to access the methods and properties contained in an object are referred to as ____.

There are three levels of access specifiers in PHP: public, private, and protected.

____ are variables associated with an object.

When you serialize an object with the serialize() function, PHP looks in the object's class for a special function named __sleep() function, which you can use to perform many of same tasks as a destructor function.

The public access specifier allows anyone to call a class's member function or to modify or retrieve the value of a data member.

The best way to initialize a data member is with a(n) ____________________.

The ____ portion of the class definition is the name of the new class.

To determine if the database connection failed when working with a mysqli object, you need to use the ____________________ data member of the mysqli object to retrieve the error code from the last connection attempt.

The syntax for using the instanceof operator is object_name instanceof ____________________.

Data structures are a system for organizing ____________________.

Reusable software objects that can be incorporated into multiple programs is called ____.

An object created from an existing class is called a(n) ___

When you delete an object from an existing class, you are said to be instantiating the object.

A class constructor is a special attribute with the same name as its class that is called automatically when an object from the class is instantiated.

Data refers to information contained within ____________________.

In order for a source program to communicate with an object, it must use a(n) ____________________ of methods and properties.

____ are functions associated with an object.

____________________ access does not restrict a class's internal access to its own members.