original_string: private function normaliseCallbackString(string $callback) : string
      {
          @list($controller, $method) = explode('@', $callback);
  
          if (class_exists($this->defaultControllerNamespace . $controller)) {
              return $this->defaultControllerNamespace . $callback;
          }
  
          return $callback;
      }
code: private function normaliseCallbackString(string $callback) : string
      {
          @list($controller, $method) = explode('@', $callback);
  
          if (class_exists($this->defaultControllerNamespace . $controller)) {
              return $this->defaultControllerNamespace . $callback;
          }
  
          return $callback;
      }
code_tokens: private function normaliseCallbackString ( string $ callback ) : string { @ list ( $ controller , $ method ) = explode ( '@' , $ callback ) ; if ( class_exists ( $ this -> defaultControllerNamespace . $ controller ) ) { return $ this -> defaultControllerNamespace . $ callback ; } return $ callback ; }
docstring: Add the default namespace to the Controller classname if required
  
  @param  string $callback
  @return string
docstring_tokens: Add the default namespace to the Controller classname if required