<?php
 namespace appcommands;
 use yiiconsoleController;
 class IndexController extends Controller
 {
   public function actionIndex()
   {
     echo "message ";
   }
}

$checkblogsql=TblBlog::find()->all();
    $totalblogcount=count($checkblogsql);

Exception 'yiidbException' with message 'could not find driver'

    invar/www/html/ameborcam/vendor/yiisoft/yii2/db/Connection.php:550