original_string: protected function registerAdditionalProviders()
      {
          foreach ($this->providers as $provider) {
              if (class_exists($provider)) {
                  $this->app->register($provider);
              }
          }
      }
code: protected function registerAdditionalProviders()
      {
          foreach ($this->providers as $provider) {
              if (class_exists($provider)) {
                  $this->app->register($provider);
              }
          }
      }
code_tokens: protected function registerAdditionalProviders ( ) { foreach ( $ this -> providers as $ provider ) { if ( class_exists ( $ provider ) ) { $ this -> app -> register ( $ provider ) ; } } }
docstring: Register additional providers to system
  
  @return void
docstring_tokens: Register additional providers to system