testing.php

gistfile1.txt

<?php
/**
 * area plugin for Craft CMS
 *
 * @author    DW
 * @copyright Copyright (c) 2017 DW
 * @link      www.url.com
 * @package   Area
 * @since     1.0.0
 */

namespace Craft;

class AreaVariable
{
    public function resize($input = null)
    {
        $thisImage      = $input['asset'];
        $ratio          = $thisImage['width'] / $thisImage['height'];
        $area           = $input['area'];
        $x              = sqrt( ($area / $ratio) );

        $resizeTo = array(
            'width'  =>  round($ratio * $x),
            'height' => round($x * 1),
        );
        return $resizeTo;
    }
}