/**
* Return element as XML string.
*
* @return string The element as XML string.
* @throws XMLException if the element isn't a child of a DOMDocument.
*/
public function toXML()
{
if ($this->ownerDocument === null) {
throw new XMLException('XMLElement has no owner document');
}
return $this->ownerDocument->saveXML($this);
}
/**
* Test if can create an empty document with a specified version and encoding.
*/
public function testCreateDocumentWithVersionAndEncoding()
{
$doc = new XMLDocument('1.1', 'ISO-8859-1');
$this->assertEquals('<?xml version="1.1" encoding="ISO-8859-1"?>', trim($doc->saveXML()));
}