code: public function editArticle($row, $href, $label, $title, $icon, $attributes)
  	{
  		$objPage = Contao\PageModel::findById($row['pid']);
  
  		return $this->User->isAllowed(Contao\BackendUser::CAN_EDIT_ARTICLES, $objPage->row()) ? '<a href="'.$this->addToUrl($href.'&amp;id='.$row['id']).'" title="'.Contao\StringUtil::specialchars($title).'"'.$attributes.'>'.Contao\Image::getHtml($icon, $label).'</a> ' : Contao\Image::getHtml(preg_replace('/\.svg$/i', '_.svg', $icon)).' ';
  	}
docs: Return the edit article button
  
  @param array  $row
  @param string $href
  @param string $label
  @param string $title
  @param string $icon
  @param string $attributes
  
  @return string