protected function _vcl_acl($name, array $hosts)
{
$tpl = <<<EOS
acl {{name}} {
{{hosts}}
}
EOS;
$fmtHost = create_function('$h', 'return sprintf(\'"%s";\',$h);');
$vars = array('name' => $name, 'hosts' => implode("\n ", array_map($fmtHost, $hosts)));
return $this->_formatTemplate($tpl, $vars);
}