Кастомный дампер для Yii2

    /**
     * Debug function
     * d($var);
     * @param $var
     * @param null $caller
     */
    function d($var,$caller=null)
    {
        if(!isset($caller)){
            $tmp_var = debug_backtrace(1);
            $caller = array_shift($tmp_var);
        }
        header('Content-Type: text/html; charset=utf-8');
        echo '<code>File: '.$caller['file'].' / Line: '.$caller['line'].'</code>';
        echo '<pre>';
        VarDumper::dump($var, 10, true);
        echo '</pre>';
    }

    /**
     * Debug function with die() after
     * dd($var);
     * @param $var
     */
    function dd2($var)
    {
        $tmp_var = debug_backtrace(1);
        $caller = array_shift($tmp_var);
        $this->d($var,$caller);
        die();
    }

https://github.com/samdark/yii2-cookbook/blob/master/book/structure-global-functions.md

для phpstorm

\yii\helpers\VarDumper::dump( $END$ , 10, true);die();