public static function json($content = null, $code = 200, array $headers = [])
    {
        return new Response\Json($content, $code , $headers);
    }
public static function json($content = null, $code = 200, array $headers = [])
    {
        return new Response\Json($content, $code , $headers);
    }
public static function json ( $ content = null , $ code = 200 , array $ headers = [ ] ) { return new Response \ Json ( $ content , $ code , $ headers ) ; }
Create JSON response

@param string $content
@param int $code
@param array $headers
@return Response\Json
Create JSON response