gs gs107 PHP OOPs - PHP OOPs Basics - Quiz No.2
gs gs107 PHP: Hypertext Preprocessor Quiz
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Question 1: Which method scope prevents a method from being overridden by a subclass?
Abstract
Protected
Final
Static
Question 2: 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)
ii) and iii)
i), ii), iii) and iv)
ii), iii) and iv)
Question 3: PHP recognizes constructors by the name _________
classname()
_construct()
function _construct()
function __construct()
Question 4: Which version of PHP introduced the instanceof keyword?
PHP 4
PHP 5
PHP 5.3
PHP 6
Question 5: Which one of the following functions is used to determine whether a class exists?
exist()
exist_class()
class_exist()
__exist()
Question 6: Which one of the following functions is used to determine object type?
obj_type()
type()
is_a()
is_obj()
Question 7: Which one of the following keyword is used to inherit our subclass into a superclass?
extends
implements
inherit
include
Question 8: In the following PHP code, what is/are the properties?
<?php class Example { public $name; function Sample() { echo "This is an example"; } } ?>
echo “This is an example”;
public $name;
class Example
function sample()
Question 9: Which keyword is used to refer to properties or methods within the class itself?
private
public
protected
$this
