php removechild

[whisher]

<?php
Class xmlsource{ 
    private $xml; 
    private $root; 
    private $xpath; 
    private $doc; 
     
    function init($xml){ 
        $this->xml=$xml; 
        $this->doc = new DOMDocument(); 
        $this->doc->preserveWhiteSpace = false;   
        $this->doc->load($xml); 
        $this->xpath = new DOMXPath($this->doc); 
        $this->root = $this->doc->documentElement; 
    } 
    function findnodes($query){ 
        return $this->xpath->query($query); 
    } 
    function delnodes($query){ 
           $nodes = $this->findnodes($query); 
        foreach($nodes as $node){
            $parent= $node->parentNode;
            $parent->removeChild($node);  
        } 
     } 
    function save($fileName){
         $this->doc->save($fileName); 
    }
} 
try{
    $contenuto = new xmlsource(); 
    $contenuto->init('dati.xml');
    $contenuto->delnodes('//img');
    $contenuto->save('pippo.xml');
}
catch(DOMException $e){
    echo $e->getMessage();
}
?>

DOM_NOT_FOUND Generato se oldnode non è un figlio di questo nodo.