/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = Citation::find(); $dataProvider = new ActiveDataProvider(['query' => $query]); $this->load($params); if (!$this->validate()) { // uncomment the following line if you do not want to any records when validation fails // $query->where('0=1'); return $dataProvider; } $query->andFilterWhere(['id' => $this->id]); $query->andFilterWhere(['like', 'citation', $this->citation]); $query->andFilterWhere(['like', 'author', $this->author]); return $dataProvider; }
public static function getCitation() { $model = Citation::find()->where('id>=(RAND()*(SELECT MAX((SELECT count(*) FROM `citation`))))')->one(); return $model; }