protected function _reference($reference)
{
if (!is_string($reference)) {
return $reference;
}
$pos = strrpos($reference, '\\');
if ($pos !== false) {
$namespace = substr($reference, 0, $pos);
$basename = substr($reference, $pos + 1);
} else {
$namespace = null;
$basename = $reference;
}
$substitute = null;
$reference = Monkey::patched($namespace, $basename, false, $substitute);
return $substitute ?: $reference;
}