Ben bir xml dosyası var

<events date="30/08/2010">
<event>
<title>here</title>
<description>
This is first Event This is first Event This is first Event This is first Event This is first Event This is first Event This is first Event This is first Event This is first Event This is first Event
</description>
</event>
</events>
<events date="31/08/2010">
<event>
<title>Second Event </title>
<description>
Second Event Second Event Second Event Second Event Second Event Second Event Second Event Second Event Second Event Second Event
</description>
</event>
</events>

i kullanılan xquery.I kullanarak başlık İkinci Olay ile olay seçebilirsiniz nasıl bu xml

$nodes = $xml->xpath('//xml/events/event[@title="'.$title.'"]');

ama herkes bana yardımcı olabilir, çalışmıyor