xrowmetadata / fetchMetaData function with corrected empty keyword bug

gistfile1.aw

function fetchMetaData( $attribute )
{
   try
   {
      $xml = new SimpleXMLElement( $attribute->attribute( 'data_text' ) );
       
      $keywords = htmlspecialchars_decode( (string) $xml->keywords, ENT_QUOTES );
      $keywords = !empty( $keywords ) ? explode( ",", $keywords ) : array();
       
      $meta = new xrowMetaData( htmlspecialchars_decode( (string)$xml->title, ENT_QUOTES ),
                                $keywords,
                                htmlspecialchars_decode( (string)$xml->description, ENT_QUOTES ),
                                htmlspecialchars_decode( (string)$xml->priority, ENT_QUOTES ),
                                htmlspecialchars_decode( (string)$xml->change, ENT_QUOTES ),
                                htmlspecialchars_decode( (string)$xml->sitemap_use , ENT_QUOTES ) );
      return $meta;
   }
   catch ( Exception $e )
   {
       return new xrowMetaData();
   }
}