Piwik\Settings\Plugin\SystemSetting::isWritableByCurrentUser PHP Метод

    public function isWritableByCurrentUser()
    {
        if ($this->hasConfigValue()) {
            return false;
        }
        if (isset($this->hasWritePermission)) {
            return $this->hasWritePermission;
        }
        // performance improvement, do not detect this in __construct otherwise likely rather "big" query to DB.
        $this->hasWritePermission = Piwik::hasUserSuperUserAccess();
        return $this->hasWritePermission;
    }