PMA\libraries\ErrorHandler::checkSavedErrors PHP Метод

    protected function checkSavedErrors()
    {
        if (isset($_SESSION['errors'])) {
            // restore saved errors
            foreach ($_SESSION['errors'] as $hash => $error) {
                if ($error instanceof Error && !isset($this->errors[$hash])) {
                    $this->errors[$hash] = $error;
                }
            }
            //$this->errors = array_merge($_SESSION['errors'], $this->errors);
            // delete stored errors
            $_SESSION['errors'] = array();
            unset($_SESSION['errors']);
        }
    }