xpath_eval_expression

(PHP 4 >= 4.0.4)

xpath_eval_expression — Calcule un chemin XPath à partir d'une chaîne

Description

class XPathContext {
XPathObject xpath_eval_expression ( string $expression [, domnode $contextnode] )
} XPathObject xpath_eval_expression ( XPathContext $xpath_context, string $expression [, domnode $contextnode] )

Exemple 724. Exemple avec xpath_eval_expression()

<?php

include( "example.inc" );

if (!
$dom  domxml_open_mem ( $xmlstr )) {
    echo 
"Erreur lors de l'analyse du document\n" ;
    exit;
}

$xpath  xpath_new_context ( $dom );
var_dump ( xpath_eval_expression ( $xpath '/chapter/@language' ));

?>

L'exemple ci-dessus va afficher :


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)
     }
  }
}

      

Voir aussi xpath_eval() .