App\Http\Controllers\Admin\ActionController::addKeyword PHP Method

    public function addKeyword()
    {
        @($keyword = \Input::get('keyword'));
        $response = ['state' => 'error', 'message' => 'Something wrong.'];
        if ($keyword != '' && $keyword != null) {
            if (\DB::table('block_keyword')->insert(['keyword' => $keyword])) {
                $response = ['state' => 'success', 'message' => 'Add success.'];
            } else {
                $response = ['state' => 'failed', 'message' => 'Add failed.'];
            }
        }
        echo json_encode($response);
    }