FRONTEND_MVC/modules/control/models/CommentsSearch.php

<?php

namespace control\models;

use yii\base\Model;
use yii\data\ActiveDataProvider;
use manager\models\Comments;

/**
 * AuthorsSearch represents the model behind the search form of `app\models\Authors`.
 */
class CommentsSearch extends Comments
{
    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['id'], 'integer'],
	    [['message', 'ip_address', 'user_agent', 'fakename', 'created_at'], 'safe'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Comments::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,

            'pagination' => [
                'pageSize' => 70
            ],
            'sort' =>
				[
                'defaultOrder' => [
					'id' => SORT_DESC,
                ],
				'attributes' => ['id'],
            ],
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'id' => $this->id,
        ]);

        $query->andFilterWhere(['like', 'message', $this->message])
            ->andFilterWhere(['like', 'ip_address', $this->ip_address])
            ->andFilterWhere(['like', 'user_agent', $this->user_agent])
            ->andFilterWhere(['like', 'created_at', $this->created_at])
            ->andFilterWhere(['like', 'fakename', $this->fakename]);

        return $dataProvider;
    }
}