SimpleXMLElement
PHP Manual

SimpleXMLElement::xpath

(PHP 5 >= 5.2.0)

SimpleXMLElement::xpathRuns XPath query on XML data

Descrierea

public array SimpleXMLElement::xpath ( string $path )

The xpath method searches the SimpleXML node for children matching the XPath path.

Parametri

path

An XPath path

Valorile întoarse

Returns an array of SimpleXMLElement objects or FALSE in case of an error.

Exemple

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";
}
?>

Exemplul de mai sus va afișa:

/a/b/c: text
/a/b/c: stuff
b/c: text
b/c: stuff

Notice that the two results are equal.

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SimpleXMLElement
PHP Manual