Question

Create a function which returns rectangle area with given width and height:

• 3 * 4 = 12
• 6 * 8 = 8
• 7 * 8 = 56

A = L * W where A is the area, L is the length, W is the width, and * means multiply.

Answer 1

Here is my function:

<?php

$width = readline();
$height = readline();

$area = calculateArea($width, $height);
echo $area;

function calculateArea($paramWidth, $paramHeight) {
    return $paramWidth * $paramHeight;
}