Yii2 views not receive variable

Question

I have page A with link :

<a href="/b?id=1"></a>

with controller BController.php like:

...

public function actionB(){
         $id = Yii::$app->request->getQueryParam("id");
        $model= new TestModel();
        $data = $model->find()->where(["id" => $id])->one();
        return $this->render('b',["data"=>$data]);

}

when link in A click , it redirect to views b views b.php just display value:

<?= $data->field_name?>

Now I can not see anything in views ,sure that in controller ,I can get data success

Please help me what wrong

getQueryParam("i") ........ should be getQueryParam("id"), I think — Alexey Shimansky
– Alexey Shimansky, Commented Apr 20, 2016 at 10:57
I'm sorry ,just typo mistake ,param get is correct in my source code and I can dump $data variable to see it — Ryo
– Ryo, Commented Apr 20, 2016 at 11:02
you can try $data = TestModel::find()->where(["id" => $id])->one(); return $this->render('b',["data"=>$data]); — GAMITG
– GAMITG, Commented Apr 20, 2016 at 11:06
Any errors? if you do just return $this->render('b',["data"=>"Hello world"]); and in view <?= $data; ?> will it show you anything? if it will, ----> query didn't return anything.....what shows print_r($data)? — Alexey Shimansky
– Alexey Shimansky, Commented Apr 20, 2016 at 11:08

ScaisEdge · Accepted Answer · 2016-04-20 16:46:52Z

1

If you want pass id to actionB you should use

public function actionB($id){
     //$id = Yii::$app->request->getQueryParam("id");
    $model= new TestModel();
    $data = $model->find()->where(["id" => $id])->one();
    return $this->render('b',["data"=>$data]);

}

answered Apr 20, 2016 at 16:46

ScaisEdge

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