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Class and Object

By: Chrysanthus Date Posted: 4 Dec 2018

Explain the operation of the following code:

<?php

    class Calculator
        {
            public $num1;
            public $num2;

            public function add()
                {
                    $sum = $this->num1 + $this->num2;
                    return $sum;
                }
        }

        $myObject = new Calculator();
        $myObject->num1 = 2;
        $myObject->num2 = 3;
        $result = $myObject->add();
        echo $result;

?>

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