Element::addToQueue

protected function addToQueue(int $copiedSectionId, $queueName)
{
	$option = Option::get($this->moduleId, $queueName, "");
	$option = ($option !== "" ? unserialize($option, ['allowed_classes' => false]) : []);
	$option = (is_array($option) ? $option : []);

	$option[] = $copiedSectionId;
	Option::set($this->moduleId, $queueName, serialize($option));
}