/**
  * We don't cache PHP helpers ourselves, but rely on bytecode cache instead
  * @param Handlebars $handlebars
  * @param array $helpers
  */
 private function injectPhpHelpers(Handlebars $handlebars, $helpers)
 {
     $phpHelpers = [];
     foreach ($helpers as $fileName) {
         $helper = (include $fileName);
         $handlebars->registerHelper($this->getName($fileName), $helper);
     }
     $handlebars->registerHelper($phpHelpers);
 }