DOMNode::getNodePath()

(PHP 5 >= 5.2.0, PHP 7)

Get an XPath for a node

说明

publicDOMNode::getNodePath(void): string

Gets an XPath location path for the node.

参数

此函数没有参数。

返回值

Returns a string containing the XPath, or NULL in case of an error.

范例

Example #1 DOMNode::getNodePath() example

<?php
// Create a new DOMDocument instance
$dom = new DOMDocument;
// Load the XML
$dom->loadXML('
<fruits>
 <apples>
  <apple>braeburn</apple>
  <apple>granny smith</apple>
 </apples>
 <pears>
  <pear>conference</pear>
 </pears>
</fruits>
');
// Print XPath for each element
foreach ($dom->getElementsByTagName('*') as $node) {
    echo $node->getNodePath() . "\n";
}
?>

以上例程会输出：

/fruits
/fruits/apples
/fruits/apples/apple[1]
/fruits/apples/apple[2]
/fruits/pears
/fruits/pears/pear

参见

• DOMXPath