tableName() public static method

public static tableName ( )
 /**
  * @param array $params Search conditions.
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $translateLanguage = Yii::$app->request->get('language_id', Yii::$app->sourceLanguage);
     $sourceLanguage = $this->_getSourceLanguage();
     $query = LanguageSource::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $dataProvider->setSort(['attributes' => ['id', 'category', 'message', 'translation' => ['asc' => ['lt.translation' => SORT_ASC], 'desc' => ['lt.translation' => SORT_DESC], 'label' => Yii::t('language', 'Translation')]]]);
     if (!($this->load($params) && $this->validate())) {
         $query->joinWith(['languageTranslate' => function ($query) use($translateLanguage) {
             $query->from(['lt' => LanguageTranslate::tableName()])->onCondition(['lt.language' => $translateLanguage]);
         }]);
         $query->joinWith(['languageTranslateByLanguage' => function ($query) use($sourceLanguage) {
             $query->from(['ts' => LanguageTranslate::tableName()])->onCondition(['ts.language' => $sourceLanguage]);
         }]);
         return $dataProvider;
     }
     $query->andFilterWhere(['id' => $this->id, 'category' => $this->category]);
     $query->andFilterWhere(['or', $this->createLikeExpression('message', $this->message), $this->createLikeExpression('ts.translation', $this->message)]);
     $query->joinWith(['languageTranslate' => function ($query) use($translateLanguage) {
         $query->from(['lt' => LanguageTranslate::tableName()])->onCondition(['lt.language' => $translateLanguage])->andFilterWhere($this->createLikeExpression('lt.translation', $this->translation));
     }]);
     $query->joinWith(['languageTranslateByLanguage' => function ($query) use($sourceLanguage) {
         $query->from(['ts' => LanguageTranslate::tableName()])->onCondition(['ts.language' => $sourceLanguage]);
     }]);
     return $dataProvider;
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getLanguageSources()
 {
     return $this->hasMany(LanguageSource::className(), ['id' => 'id'])->viaTable(LanguageTranslate::tableName(), ['language' => 'language_id']);
 }