CCaptchaAgent::DeleteOldCaptcha

static function DeleteOldCaptcha($sec = 3600)
{
	global $DB;

	$sec = intval($sec);

	$time = $DB->CharToDateFunction(GetTime(time()-$sec,"FULL"));
	if (!$DB->Query("DELETE FROM b_captcha WHERE DATE_CREATE <= ".$time))
		return false;

	return "CCaptchaAgent::DeleteOldCaptcha(".$sec.");";
}