/**
* Lists all Posts models.
* @return mixed
*/
public function actionIndex()
{
$model = new Posts();
$arr = ['post_title' => 'Learning CodeIgniter', 'post_description' => 'CodeIgniter is framework php easy for new development', 'author_id' => 1];
$model->insert('posts', $arr);
echo 'successful';
die;
$searchModel = new PostsSearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
return $this->render('index', ['searchModel' => $searchModel, 'dataProvider' => $dataProvider]);
}