PHP Object Oriented Programming, PHP

PHP Object Oriented Programming

Question: ______ methods can be accessed from anywhere at any time.
A
Public

B
Private

C
Protected

D
All

E
none

Note: Not available
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Question: Type hinting only works for _______
A
objects

B
arrays

C
all

D
variables

Note: Not available
1. Report
Question: Which of the following option is true?
A
Constructors can accept parameters, which are assigned to specific object properties at creation time.

B
Constructors can call class methods or other functions.

C
Class constructors can call on other constructors, including those from the class parent.

D
All

Note: Not available
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Question: Which is/are class property scope in php?
A
public

B
private

C
final

D
static

Note: Not available
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Question: Whic type of scope is only accessible by subclass?
A
private

B
protected

C
public

D
final

Note: Not available
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Question: If visibility is not defined for a method/member then it is treated as public static.
A
True

B
False

Note: Not available
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Question: What will be output of the following code?class test{
  private $a;
  function set($x){
   $this->a =$x;
  }
  public function get(){
   return $this->a;
  }
}

$t1 = new test;
$t1->set(10);
echo $t1->get();
A0

B10

CError

DNone

Note: Not available

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Question: What are the three access modifiers that you can use in PHP objects?
A
protected

B
public

C
static

D
private

E
final

Note: Not available
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Question: When checking to see if two variables contain the same instance of an object, which of the following comparisons should be used?
A
if($obj1->equals($obj2) && ($obj1 instanceof $obj2))

B
if($obj1->equals($obj2))

C
if($obj1 === $obj2)

D
if($obj1 instanceof $obj2)

E
if($obj1 == $obj2)

Note: Not available
1. Report
Question: In PHP 5 you can use the ______ operator to ensure that an object is of a particular type. You can also use _______ in the function declaration.
A
instanceof, is_a

B
instanceof, type-hinting

C
type, instanceof

D
===, type-hinting

E
===, is_a

Note: Not available
1. Report

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Question: ______ methods can be accessed from anywhere at any time.

Question: Type hinting only works for _______

Question: Which of the following option is true?

Question: Which is/are class property scope in php?

Question: Whic type of scope is only accessible by subclass?

Question: If visibility is not defined for a method/member then it is treated as public static.

Question: What will be output of the following code?
class test{ private $a; function set($x){ $this->a =$x; } public function get(){ return $this->a; } } $t1 = new test; $t1->set(10); echo $t1->get();

Question: What are the three access modifiers that you can use in PHP objects?

Question: When checking to see if two variables contain the same instance of an object, which of the following comparisons should be used?

Question: In PHP 5 you can use the `` operator to ensure that an object is of a particular type. You can also use `_` in the function declaration.

Question: ______ methods can be accessed from anywhere at any time.

Question: Type hinting only works for _______

Question: Which of the following option is true?

Question: Which is/are class property scope in php?

Question: Whic type of scope is only accessible by subclass?

Question: If visibility is not defined for a method/member then it is treated as public static.

Question: What will be output of the following code?class test{ private $a; function set($x){ $this->a =$x; } public function get(){ return $this->a; } } $t1 = new test; $t1->set(10); echo $t1->get();

Question: What are the three access modifiers that you can use in PHP objects?

Question: When checking to see if two variables contain the same instance of an object, which of the following comparisons should be used?

Question: In PHP 5 you can use the ______ operator to ensure that an object is of a particular type. You can also use _______ in the function declaration.

Question: What will be output of the following code?
class test{ private $a; function set($x){ $this->a =$x; } public function get(){ return $this->a; } } $t1 = new test; $t1->set(10); echo $t1->get();

Question: In PHP 5 you can use the `` operator to ensure that an object is of a particular type. You can also use `_` in the function declaration.