Exemple #1
0
 /**
  * This method enables us to add nice features to our xpath
  *  implementation, like augmenting it with php functions so that we
  *  can approach some of the functionality of XPath2.
  *
  * @param DOMDocument $dom
  * @return A new XPath object generated for the given dom. The object
  *  will have all PHP functions registered to augment the native XPath1
  *  functions.
  * @author "David Hazel" <*****@*****.**>
  **/
 public function generateXPathObject(DOMDocument $dom)
 {
     // create the object
     $xpath = new DOMXPath($this->domDocument);
     // Register the php: namespace (required for function augmenting)
     $xpath->registerNamespace("php", "http://php.net/xpath");
     // Register PHP functions (no restrictions)
     $xpath->registerPHPFunctions();
     // return the object
     return $xpath;
 }
Exemple #2
0
    $count = 0;
    $val = 0;
    foreach ($nodelist as $node) {
        $count++;
        $val += $node->textContent;
    }
    if ($val > 0) {
        return $val / $count;
    } else {
        return 0;
    }
}
$dom = new DOMDocument();
$dom->loadXML('<root xmlns="urn::default"><child>myval</child></root>');
$xpath = new DOMXPath($dom);
$xpath->registerPHPFunctions('MyAverage');
$xpath->registerNamespace("php", "http://php.net/xpath");
$xpath->registerNamespace("def", "urn::default");
$nodelist = $xpath->query("//def:child");
if ($node = $nodelist->item(0)) {
    print $node->textContent . "\n";
}
$count = $xpath->evaluate("count(//def:child)");
var_dump($count);
$xpathdoc = $xpath->document;
var_dump($xpathdoc instanceof DOMDocument);
$root = $dom->documentElement;
$root->appendChild($dom->createElementNS("urn::default", "testnode", 3));
$root->appendChild($dom->createElementNS("urn::default", "testnode", 4));
$root->appendChild($dom->createElementNS("urn::default", "testnode", 4));
$root->appendChild($dom->createElementNS("urn::default", "testnode", 5));
Exemple #3
0
 protected function xPathDOMFilter($doc, $path, $namespaces = array())
 {
     $xPath = new \DOMXPath($doc);
     foreach ($namespaces as $prefix => $nsuri) {
         $xPath->registerNamespace($prefix, $nsuri);
     }
     $xPath->registerNamespace("php", "http://php.net/xpath");
     $xPath->registerPHPFunctions();
     $filtered = $xPath->query($path);
     $result = $this->createArray($filtered);
     return $result;
 }