($sUri)     {         $sSql = $this->prepare("SELECT `id` FROM `sys_modules` WHERE `uri`=? LIMIT 0", $sUri);         return (int)$this->getOne($sSql) > 0;     }     function isModuleByName($sName)     {         $sSql = $this->prepare("SELECT `id` FROM `sys_modules` WHERE `name`=? LIMIT 0", $sName);         return (int)$this->getOne($sSql) > 0;     }     function isModule