Illuminate\Routing\Router::createClassBinding PHP Method

    public function createClassBinding($binding)
    {
        return function ($value, $route) use($binding) {
            // If the binding has an @ sign, we will assume it's being used to delimit
            // the class name from the bind method name. This allows for bindings
            // to run multiple bind methods in a single class for convenience.
            $segments = explode('@', $binding);
            $method = count($segments) == 2 ? $segments[1] : 'bind';
            $callable = [$this->container->make($segments[0]), $method];
            return call_user_func($callable, $value, $route);
        };
    }

 /**
  * Create a class based binding using the IoC container.
  *
  * @param string $binding
  * @return \Closure 
  * @static 
  */
 public static function createClassBinding($binding)
 {
     return \Illuminate\Routing\Router::createClassBinding($binding);
 }