PHP往XML中添加节点的方法_php技巧

     $tel_node = null;
     $doc = xmldocfile ('contacts.xml');
     $contact_node = $doc->root ();
     $kids = $contact_node->children ();
     while ($node = array_shift ($kids)) {
          if (($node->type == XML_ELEMENT_NODE) && ($node->tagname == 'personal')) {
               $tel_node =& $node;
               break;
          }
     }
     if ($tel_node == null){
          die ("Couldn't locate 'personal' node.");
     }
     $work_node = $tel_node->new_child ('work', '6666');
     print ("\n");
?>