try {

        spl_autoload_unregister(array('YiiBase', 'autoload'));

        $phpExcelPath = Yii::getPathOfAlias('application.extensions.phpexcel.PHPExcel');

        include($phpExcelPath . DIRECTORY_SEPARATOR . 'IOFactory.php');

        spl_autoload_register(array('YiiBase', 'autoload'));

        $objPHPExcel = PHPExcel_IOFactory::load($File['path']);

        $sheetData = $objPHPExcel->getActiveSheet()->toArray(null, true, true, true);

} catch (Exception $e) {

        echo $e->getMessage();

        Yii::app()->end();

}