ArticleImage::getImageId PHP Method

    public function getImageId()
    {
        if (in_array('IdImage', array_keys($this->m_data))) {
            return $this->m_data['IdImage'];
        } else {
            return false;
        }
    }

 /**
  * @Route("get_img", name="newscoop_get_img")
  */
 public function indexAction(Request $request)
 {
     // reads parameters from image link URI
     $imageId = $request->get('ImageId', null);
     $articleNr = $request->get('NrArticle', null);
     $imageNr = $request->get('NrImage', null);
     $imageRatio = $request->get('ImageRatio', null);
     $imageResizeWidth = $request->get('ImageWidth', null);
     $imageResizeHeight = $request->get('ImageHeight', null);
     $imageCrop = $request->get('ImageForcecrop', null);
     $resizeCrop = $request->get('ImageCrop', null);
     if (empty($imageId) && !empty($imageNr) && !empty($articleNr)) {
         $articleImage = new \ArticleImage($articleNr, null, $imageNr);
         $imageId = $articleImage->getImageId();
     }
     $showImage = new \CampGetImage($imageId, $imageRatio, $imageResizeWidth, $imageResizeHeight, $imageCrop, $resizeCrop);
     die;
 }