Php/docs/simplexmlelement.xpath
SimpleXMLElement::xpath
(PHP 5, PHP 7)
SimpleXMLElement::xpath — Runs XPath query on XML data
Description
public SimpleXMLElement::xpath
( string $path
) : array
The xpath method searches the SimpleXML node for
children matching the XPath path.
Parameters
path- An XPath path
Return Values
Returns an array of SimpleXMLElement objects or FALSE in
case of an error.
Examples
Example #1 Xpath
<?php$string = <<<XML<a> <b> <c>text</c> <c>stuff</c> </b> <d> <c>code</c> </d></a>XML;$xml = new SimpleXMLElement($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";}?>
The above example will output:
/a/b/c: text /a/b/c: stuff b/c: text b/c: stuff
Notice that the two results are equal.
See Also
- SimpleXMLElement::registerXPathNamespace() - Creates a prefix/ns context for the next XPath query
- SimpleXMLElement::getDocNamespaces() - Returns namespaces declared in document
- SimpleXMLElement::getNamespaces() - Returns namespaces used in document
- Basic SimpleXML usage
