Home » PHP » MCQ on Object & Classes

PHP Interview Questions on Classes and Objects - 4

Question: 1

<?php
class cppbuzz {
    public $var;
    function __construct() {
        $this->var = "cppbuzz";
    }
}

$cppbuzz = new cppbuzz;
echo $cppbuzz->var;
?>

(A) Compilation Error
(B) cppbuzz
(C) "cppbuzz"
(D) None of the above

Compiler
Level: Beginner Category of MCQ: classesAndobjects

Question: 2

<?php
class cppbuzz {
    public $var;

    function __construct($var) {
        $this->var = "";
    }
}

$cppbuzz = new cppbuzz("cppbuzz");
echo $cppbuzz->var;
?>

(A) cppbuzz
(B) ""
(C) "cppbuzz"
(D) None of the above

Compiler
Level: Practionar Category of MCQ: classesAndobjects

Question: 3

find the output of below code 

<?php
class cppbuzz {
    public $var;

    function __construct() {
        return "cppbuzz";
    }
}

$cppbuzz = new cppbuzz;
echo $cppbuzz->var;
?>

(A) cppbuzz
(B) "cppbuzz"
(C) ""
(D) Nothing is printed

Compiler
Level: Practionar Category of MCQ: classesAndobjects

Question: 4

<?php
class cppbuzz {
    private $var;

    function __construct() {
        $var="cppbuzz";
    }
}

$cppbuzz = new cppbuzz;
echo $cppbuzz->var;
?>

(A) cppbuzz
(B) "cppbuzz"
(C) Nothing is printed
(D) error: can't access private property

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PHP Interview Questions on Classes and Objects - 4

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