php xml 摘抄

<?php$xml =<<<EOT<?xml version="1.0"?><root><section name="Section1">  <category id="Category1" name="google">   <arti name="article1">   <p>any html code here</p>   <b>my name is so so</b>    </arti>   <arti name="article2">value2</arti>   <arti name="article3">value3</arti>   <arti name="article4">value4</arti>  </category>    <category id="Category2" name="yahoo">   <arti name="articleSection2">Test value</arti>  </category></section><section name="Section2">  <category id="category1_of_section2" name="msn">   <arti name="article2">value1</arti>   <arti name="article3">value2</arti>  </category>    <category id="Category2_of_section2" name="webcare">    <arti name="param3">value4</arti>   </category></section></root>EOT;$dom = new DomDocument;$dom->preserveWhiteSpace = FALSE;$dom->loadXML($xml);$params = $dom->getElementsByTagName('section'); // Find Sections $k=0;foreach ($params as $param) //go to each section 1 by 1 {         echo "Section Attribute :-> ".$params->item($k)->getAttribute('name')."<br>";   //get section attribute                     $params2 = $params->item($k)->getElementsByTagName('category'); //digg categories with in Section      $i=0; // values is used to iterate categories          foreach ($params2 as $p) {           echo "  - Category Attribute Name :-> ".$params2->item($i)->getAttribute('name')."<br>"; //get Category attributes            $params3 = $params2->item($i)->getElementsByTagName('arti'); //dig Arti into Categories                 $j=0;//values used to interate Arti                     foreach ($params3 as $p2)                   {                    echo "   - Article Attribute Name : ".$params3->item($j)->getAttribute('name').""; //get arti atributesecho "   Value : ".$params3->item($j)->nodeValue."<br>"; //get Node value ;                              $j++;                      }                       $i++;      }$k++;              }?>output : Section Attribute :-> Section1  - Category Attribute Name :-> google            - Article Attribute Name : article1   Value : any html code heremy name is so so            - Article Attribute Name : article2   Value : value2            - Article Attribute Name : article3   Value : value3            - Article Attribute Name : article4   Value : value4  - Category Attribute Name :-> yahoo            - Article Attribute Name : articleSection2   Value : Test valueSection Attribute :-> Section2  - Category Attribute Name :-> msn            - Article Attribute Name : article2   Value : value1            - Article Attribute Name : article3   Value : value2  - Category Attribute Name :-> webcare            - Article Attribute Name : param3   Value : value4