xpath_eval_expression

(PHP 4 >= 4.0.4)

xpath_eval_expression --  Evaluates the XPath Location Path in the given string

Popis

XPathObject xpath_eval_expression ( XPathContext xpath_context, string expression )

Varovanie

T�to funkcia je EXPERIMENT�LNA. Spr�vanie tejto funkcie, n�zov tejto funkcie a hoci�o in� zdokumentovan� o tejto funkcii sa m�e zmeni� bez pov�imnutia v bud�com vydan� PHP. Pou��vajte t�to funkcii na svoje vlastn� riziko.

Príklad 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'));

?>

V�stup pr�kladu uveden�ho vy�ie bude:

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().