PHP Dokumentation: Simplexmlelement xpath
12. Januar 2010 von werner
SimpleXMLElement::xpath
(PHP 5 >= 5.2.0)
SimpleXMLElement::xpath — Runs XPath query on XML data
Beschreibung
array xpath ( string $path )
The xpath method searches the SimpleXML node for children matching the XPath path.
Parameter-Liste
- path
An XPath path
Rückgabewerte
Returns an array of SimpleXMLElement objects or FALSE in case of an error.
Beispiele
Beispiel #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";
}
?>Das oben gezeigte Beispiel erzeugt folgendeAusgabe:
/a/b/c: text/a/b/c: stuffb/c: textb/c: stuff
Notice that the two results are equal.
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