protected function registerTwiggablePack(ServiceProviderInterface $provider)
{
if ($provider instanceof TwiggablePackInterface) {
if (isset($this['twig.loader.filesystem'])) {
$this['twig.loader.filesystem']->addPath($provider->getTwigTemplatesPath($this), $provider->getName($this));
}
if (isset($this['twig'])) {
foreach ($provider->getTwigExtensions($this) as $extension) {
if ($extension instanceof \Twig_SimpleFilter) {
$this['twig']->addFilter($extension);
} elseif ($extension instanceof \Twig_SimpleFunction) {
$this['twig']->addFunction($extension);
}
}
}
}
}
