string $template:
boolean
private function templateExists($template) {
if ($this->templating instanceof EngineInterface) {
return $this->templating
->exists($template);
}
$loader = $this->templating
->getLoader();
if ($loader instanceof \Twig_ExistsLoaderInterface) {
return $loader
->exists($template);
}
try {
$loader
->getSource($template);
return true;
} catch (\Twig_Error_Loader $e) {
}
return false;
}