FRONTEND_MVC/views/inquirer/poll.php

<?php
	use yii\helpers\Html;
	use yii\helpers\Url;
	use app\models\Inquirer;
	use yii\web\View;
	if( $model->active == 'Y' && $model->show == 'Y' ){
		$answers = $model->getAnswers();

		foreach($answers as $item){
?>
<div class="form-check">
  <input class="form-check-input" type="radio" id="Radio<?=$item->id?>" name="ask"  value="<?=$item->id?>">
  <label class="form-check-label" for="Radio<?=$item->id?>">
    <?=$item->text?>
  </label>
</div>
<?
		}
	}
?>
<button class="btn btn-primary  mt-4" onclick="sendask()">Голосовать</button>
<?
$filterurl = \yii\helpers\Url::base('https')."/inquirer/ajax";
$this->registerJs(
<<<JS
    function sendask(){
		ask = $('input:checked[name=ask]').val()
		$.post( "$filterurl", { 'idq': $model->id, 'ask': ask }, function( data ) {
			if( data.status == 'ok' ){
				document.location.reload();
			}
		});
    }
JS
    ,
    View::POS_END
);