$string = ' <calendar> <once> <date year="2009" month="5" day="13"> <event>I went wobbly</event> </date> <date year="2009" month="5" day="14"> <event>I started to cry</event> </date> <date year="2009" month="5" day="15"> <event>I went completely mental</event> </date> </once> </calendar>'; // Convert to SimpleXML $xml = new SimpleXMLElement($string); // Get year echo $xml->once->date[0]['year']; // Modify year $xml->once->date[0]['year'] = '2003'; // Get modified year echo $xml->once->date[0]['year']; // Get whole modified XML. echo $xml->asXML();
