// DOMElement->getElementsByTagName() -- Gets elements by tagname 
  // nodeValue : The value of this node, depending on its type. 
  // Load XML File. You can use loadXML if you wish to load XML data from a string 
  /*
  

	<hotels>
		<hotel>
			<hotelName>hilton</hotelName>
			<cityName>rome</cityName>
		</hotel>
		<hotel>
			<hotelName>melia</hotelName>
			<cityName>london</cityName>
		</hotel>
	</hotels>
	
  */

  $objDOM = new DOMDocument(); 
  $objDOM->load("hotels.xml"); //make sure path is correct 


  $hotel = $objDOM->getElementsByTagName("hotel"); 
  // for each note tag, parse the document and get values for 
  // tasks and details tag. 

  foreach( $hotel as $value ) 
  { 
  //echo $hotel.' '.$value;
    $hotelName = $value->getElementsByTagName("hotelName"); 
    $nomeHotel  = $hotelName->item(0)->nodeValue; 


    $cityName = $value->getElementsByTagName("cityName"); 
    $nomeCitta  = $cityName->item(0)->nodeValue; 

    echo "$nomeHotel :: $nomeCitta <br>"; 
  }