public function setText($text)
{
foreach ($this->nodes as $n) {
// Algorithm 1:
$n->nodeValue = $text;
// Algorithm 2:
// foreach ($n->childNodes as $c) {
// $n->removeChild($c);
// }
// $n->appendChild(new \DOMText($text));
// Algorithm 3:
// foreach ($n->childNodes as $c) {
// $n->replaceChild(new \DOMText($text), $c);
// }
}
return $this;
}