(Yii2) submitButton =>Converting onclick function to siteControllers?

Question

index.php

<?php  use yii\helpers\Html; ?>

<?= Html::submitButton('tew',

['class' => 'btn btn-primary',

'onClick'=>'buttonClicked']) ?>

siteController.php

public function actionIndex()
    {
        if($buttonClicked)
           {

        echo "Button Clicked";

}
        return $this->render('index');

So how to call button click function in siteContoller

Answer 1

If you need check a specific submit button you must name it and assign a value You can obtain the submit this way

 'value'=>'create_add', 'name'=>'submit'
    <?= Html::submitButton('tew',['class' => 'btn btn-primary', 
            'value'=>'my_value', 'name'=>'submit',
          'onClick'=>'buttonClicked']) ?>

then in your controller you can check the if specific button is clicked

public function actionIndex()
{
   if (Yii::$app->request->post('submit')==='my_value') {
      echo "Button my_value Clicked";
   } 
   return $this->render('index');
}

In your case you must add the value

<?php  

use yii\helpers\Html; 

?>

<?= Html::submitButton('tew',['class' => 'btn btn-primary', 
                'value' => 'my_value', // you must add  a proper value to check in action 
                'onClick'=>'buttonClicked']) ?>