ÍÂѪÁË,Ìá¸öPHPдXMLµÄÎÊÌâ - PHP / ¿ªÔ´×ÊÔ´

´úÂë:
<?php
$im=$_POST['upPicName'];
$it=$_POST['upPicTitle'];
$pa=$_POST['upPicAlbum'];
$pt=$_POST['upPicThumb'];

//echo $im.$it.$pa.$pt;

$doc = new DOMDocument();
$doc ->formatOutput = true;
$doc->load('pic.xml');

$project=$doc->documentElement->getElementsByTagName('medias');

//$root = $doc->createElement('media');
//$doc->appendChild($root);

/**Ìí¼ÓͼƬµÄÃû×Ö
$root_im = $doc->createAttribute('imgname');
$root->appendChild($root_im);

$root_im_text=$doc->createTextNode($im); 
$root_im->appendChild($root_im_text);
//½áÊø

//Ìí¼Ó±êÌâ
$root_it = $doc -> createAttribute('title');
$root->appendChild($root_it);

$root_it_text=$doc->createTextNode($it);
$root_it->appendChild($root_it_text);
//½áÊø

//Ìí¼Óר¼­Ãû³Æ
$root_pa=$doc->createAttribute('section');
$root->appendChild($root_pa);

$root_pa_text=$doc->createTextNode($pa);
$root_pa->appendChild($root_pa_text);
//½áÊø

//ÊÇ·ñΪ±êÌâ
$root_pt=$doc->createAttribute('thumb');
$root->appendChild($root_pt);

$root_pt_text=$doc->createTextNode($pt[0]);
$root_pt->appendChild($root_pt_text);
**///½áÊø

$doc->saveXML('pic.xml');
?>

XML:
<?xml version="1.0" encoding="utf