ZF2: How to use Imagick with zf2

gistfile1.php

// @see http://giaule.com/2012/11/18/how-to-use-imagick-with-zf2/


public function uploadAction() {
    $request = $this->getRequest();
    if ($request->isPost()) {
        $adapter = new \Zend\File\Transfer\Adapter\Http();
        $adapter->addValidator('Size', false, array('min' => UPLOAD_IMAGE_MIN_SIZE, 'max' => UPLOAD_IMAGE_MAX_SIZE));
        $adapter->addValidator('MimeType', true, array('image/jpeg'));
        $adapter->addValidator('Count', false, array('min' =>1, 'max' => 1));
        $adapter->addValidator('IsImage', false, 'jpeg');
        $adapter->setDestination(UPLOAD_IMAGE_PATH . '/' . IMAGE_PATH_DEFAULT);
 
        foreach($adapter->getFileInfo() as $file => $info) {
            if ($adapter->isValid($file)) {
                $name   = $adapter->getFileName($file);
                $fileName = CUSTOMER_ID . '_' . time() . '_' . $info['name'];
 
                $imageDefault  = UPLOAD_IMAGE_PATH . '/' . IMAGE_PATH_DEFAULT . '/' . $fileName;
                $imageMedium   = UPLOAD_IMAGE_PATH . '/' . IMAGE_PATH_MEDIUM . '/' . $fileName;
                $imageSmall    = UPLOAD_IMAGE_PATH . '/' . IMAGE_PATH_SMALL . '/' . $fileName;
 
                $adapter->addFilter(
                    new \Zend\Filter\File\Rename(array('target' => $imageDefault,
                        'overwrite' => true)),
                    null, $file
                );
                if ($adapter->receive($file)) {
                    $image = new \Imagick();
 
                    /**
                     * process with medium
                     */
                    $image->readImage($imageDefault);
                    $imageprops = $image->getImageGeometry();
                    if ($imageprops['width'] <= UPLOAD_SIZE_MEDIUM_WIDTH && $imageprops['height'] <= UPLOAD_SIZE_MEDIUM_HEIGHT) {
                        $image->writeImage($imageMedium);
                    } else {
                        $image->resizeImage(UPLOAD_SIZE_MEDIUM_WIDTH, UPLOAD_SIZE_MEDIUM_HEIGHT, $image::FILTER_LANCZOS, 0.9, true);
                        $image->writeImage($imageMedium);
                    }
 
                    /**
                     * process with small
                     */
                    $image->readImage($imageDefault);
                    $imageprops = $image->getImageGeometry();
                    if ($imageprops['width'] <= UPLOAD_SIZE_SMALL_WIDTH && $imageprops['height'] <= UPLOAD_SIZE_SMALL_HEIGHT) {
                        $image->writeImage($imageSmall);
                    } else {
                        $image->resizeImage(UPLOAD_SIZE_SMALL_WIDTH, UPLOAD_SIZE_SMALL_HEIGHT, $image::FILTER_LANCZOS, 0.9, true);
                        $image->writeImage($imageSmall);
                    }
                }
            }
        }
    }
    die;
}