Souke/producer/components/ProducerView.php

<?php

namespace producer\components ;

class ProducerView extends \common\components\MyView {
    
    var $producer ;
    
    public function getProducer() {
        $etablissement = Etablissement::findOne(['slug' => Yii::$app->getRequest()->getQueryParam('slug_producer')]) ;
        if($etablissement)
            return $etablissement;
        else
            throw new \yii\web\HttpException(404, 'Etablissement introuvable');
    }
    
}