Adds parameters.
DOMElement $parent:
private function addParameters(\DOMElement $parent) {
$data = $this->container
->getParameterBag()
->all();
if (!$data) {
return;
}
if ($this->container
->isFrozen()) {
$data = $this
->escape($data);
}
$parameters = $this->document
->createElement('parameters');
$parent
->appendChild($parameters);
$this
->convertParameters($data, 'parameter', $parameters);
}