gistfile1.txt

$variables = $this->input->post('variables');
if ($variables)
{
	foreach ($variables as $key=>$variable)
	{
		$page->variable($key, $variable);
	}
	foreach ($page->template->template_variables->all() as $tv)
	{
		$v = $page->page_variables->first(array('name' => $tv->name));
		$v->label = $tv->label;
		$v->type  = $tv->type;
		$v->save();
	}
}