AppController.php

public function actionForce_to_download_file($id){
		$transaction = Transaction::findOne($id);
	 	$file_path =Yii::getAlias("@UploadPath/yonfiles/").Yii::$app->user->identity->id."/"."images/";
	 	$file_name = $transaction->image->name;

 	    header("Content-Type: application/octet-stream");
 		header("Content-Transfer-Encoding: Binary");
 		header("Content-disposition: attachment; filename=".basename($file_path.$file_name)); 
		
 		echo readfile($file_path.$file_name);
}

javascript

function force_download(fid){
    var token = $("#token").val();
window.location.replace('https://programmerdesign.com/yonfile/transaction/force_to_download_file?id='+fid+'&access-token='+token) ;
}