AdminPageFrameworkLoader_Option::hasUpgraded PHP 메소드

    public function hasUpgraded()
    {
        $_sOptionVersion = $this->get('version_saved');
        if (!$_sOptionVersion) {
            return false;
        }
        $_sOptionVersion = $this->_getVersionByDepth($_sOptionVersion);
        $_sCurrentVersion = $this->_getVersionByDepth(AdminPageFrameworkLoader_Registry::VERSION);
        return version_compare($_sOptionVersion, $_sCurrentVersion, '<');
    }