Remove empty tags from a XML with PHP

Question

Question

How can I remove empty xml tags in PHP?

Example:

 $value1 = \"2\";
 $value2 = \"4\";
 $value3 = \"\";

 xml = \'

        

Answer 1

$dom = new DOMDocument;

$dom->loadXML($xml);

$elements = $dom->getElementsByTagName('*');

foreach($elements as $element) {

   if ( ! $element->hasChildNodes() OR $element->nodeValue == '') {
       $element->parentNode->removeChild($element);
   }

} 

echo $dom->saveXML();

CodePad.