Image resize on GD

gistfile1.php

<?php
$gdthumb = new \PHPThumb\GD($imagedata['data']);
                $gdthumb->setOptions(array(
                    'interlace' => false
                ));
                $gdthumb->adaptiveResizeQuadrant($d->getWidth(), $d->getHeight());
                $output = $gdthumb->getImageAsString();