SimpleXMLElement->xpath

Description

The xpath method searches the SimpleXML node for children matching the Xpath path. It always returns an array of SimpleXMLElement objects.

例子 1. Xpath <?php $string = <<<XML <a>  <b>   <c>text</c>   <c>stuff</c>  </b>  <d>   <c>code</c>  </d> </a> XML; $xml = simplexml_load_string($string); /* Search for <a><b><c> */ $result = $xml->xpath('/a/b/c'); while(list( , $node) = each($result)) {    echo '/a/b/c: ',$node,"\n"; } /* Relative paths also work... */ $result = $xml->xpath('b/c'); while(list( , $node) = each($result)) {    echo 'b/c: ',$node,"\n"; } ?> This script will display: /a/b/c: text /a/b/c: stuff b/c: text b/c: stuff Notice that the two results are equal.