PHP遍历XML文档所有节点的方法_php技巧

1. contact.xml代码:

   
     
        J
        J
        J
     
     
     National
     1971-12-22
   

2. php代码:

<?php
   function walk_tree ($node, $depth = 0) {
     for ($i = 0, $indent = ''; $i < $depth; $i++)
        $indent .= '   ';
     if ($node->type == XML_ELEMENT_NODE) {
        print ($indent . $node->tagname . "\n");
        $kids = $node->children ();
        $nkids = count ($kids);
        if ($nkids > 0) {
           $depth++;
           for ($i = 0; $i < $nkids; $i++)
             walk_tree ($kids[$i], $depth);
           $depth--;
        }
     }
   }
   $doc = xmldocfile ('contact.xml');
   print ("
\n");
   walk_tree ($doc->root ());
   print ("
\n");
?>

希望本文所述对大家的php程序设计有所帮助。