Function.xpath-eval-expression
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xpath_eval_expression — Evaluates the XPath Location Path in the given string
Beschreibung
XPathContext
Beschreibung
XPathObject xpath_eval_expression ( string $expression [,domnode $contextnode ] )
XPathObject xpath_eval_expression ( XPathContext $xpath_context , string $expression [,domnode $contextnode ] )
Beispiel #1 xpath_eval_expression() Example
<?php
include("example.inc");
if (!$dom = domxml_open_mem($xmlstr)) {
echo "Error while parsing the document\n";
exit;
}
$xpath = xpath_new_context($dom);
var_dump(xpath_eval_expression($xpath, '/chapter/@language'));
?>
Das oben gezeigte Beispiel erzeugt folgende
Ausgabe:
object(XPathObject)(2) {
["type"]=>
int(1)
["nodeset"]=>
array(1) {
[0]=>
object(domattribute)(5) {
["type"]=>
int(2)
["name"]=>
string(8) "language"
["value"]=>
string(2) "en"
[0]=>
int(7)
[1]=>
int(138004256)
}
}
}
See also xpath_eval().