private function removeExistingMedia() {
    $existing_media = $this->getMedia($this->group);

    if (!$existing_media->isEmpty()) {
      return $this->deleteMedia($this->group);
    }

    return 0;
  }
private function removeExistingMedia() {
    $existing_media = $this->getMedia($this->group);

    if (!$existing_media->isEmpty()) {
      return $this->deleteMedia($this->group);
    }

    return 0;
  }
private function removeExistingMedia ( ) { $ existing_media = $ this -> getMedia ( $ this -> group ) ; if ( ! $ existing_media -> isEmpty ( ) ) { return $ this -> deleteMedia ( $ this -> group ) ; } return 0 ; }
Remove any media that already exists for the current group type

@return int
The number of elements removed
Remove any media that already exists for the current group type