private function createOptions($app)
{
$options = array();
if (isset($app['vars.path'])) {
$options['path'] = $app['vars.path'];
}
if (isset($app['vars.options'])) {
$options = $this->createKeyedOptions($options, $app['vars.options']);
}
if (!isset($options['merge_globals']) || is_null($options['merge_globals'])) {
$options['merge_globals'] = false;
}
if (isset($app['debug']) && $app['debug']) {
$options['cache'] = false;
}
return $options;
}