user_life.php

Download you own three BR

<?php

$user_life_query=$db->query("select a.u_id from users a left join player_info b on (a.u_id=b.u_id) where b.p_nickname='".$_COOKIE['NickName']."';");
$user_life_num=$db->fetch_array($user_life_query);
if (!$user_life_num['u_id']==$_COOKIE['UserId']) {
	$cookie_times=$_COOKIE["cookie_times"];
	setcookie("UserId","",time()-$cookie_times,"/");
	setcookie("UserName","",time()-$cookie_times,"/");
	setcookie("NickName","",time()-$cookie_times,"/");
	setcookie("CityName","",time()-$cookie_times,"/");
	setcookie("CityId","",time()-$cookie_times,"/");
	setcookie("country","",time()-$cookie_times,"/");
	setcookie("CityArea","",time()-$cookie_times,"/");
	setcookie("Life_num","",time()-$cookie_times,"/");
	setcookie("cookie_times","",time()-$cookie_times,"/");
	$_COOKIE["cookie_times"]="";
	$_COOKIE["Life_num"]="";
	$_COOKIE["UserId"]="";
	$_COOKIE["UserName"]="";
	$_COOKIE["NickName"]="";
	$_COOKIE["CityName"]="";
	$_COOKIE["CityId"]="";
	$_COOKIE["country"]="";
	$_COOKIE["CityArea"]="";
	error_document("用户登录","您还没有登录，或登录已失效","/","","../error_document.php");
}

//查询你此刻IP跟你登陆IP是否一样
$query_ip_one=$db->query("select login_ip from player_info where u_id='".$_COOKIE['UserId']."';");
$list_ip_one=$db->fetch_array($query_ip_one);
if ($list_ip_one['login_ip']<>$_SERVER['REMOTE_ADDR']) {
	$cookie_times=$_COOKIE["cookie_times"];
	setcookie("UserId","",time()-$cookie_times,"/");
	setcookie("UserName","",time()-$cookie_times,"/");
	setcookie("NickName","",time()-$cookie_times,"/");
	setcookie("CityName","",time()-$cookie_times,"/");
	setcookie("CityId","",time()-$cookie_times,"/");
	setcookie("country","",time()-$cookie_times,"/");
	setcookie("CityArea","",time()-$cookie_times,"/");
	setcookie("Life_num","",time()-$cookie_times,"/");
	setcookie("cookie_times","",time()-$cookie_times,"/");
	$_COOKIE["cookie_times"]="";
	$_COOKIE["Life_num"]="";
	$_COOKIE["UserId"]="";
	$_COOKIE["UserName"]="";
	$_COOKIE["NickName"]="";
	$_COOKIE["CityName"]="";
	$_COOKIE["CityId"]="";
	$_COOKIE["country"]="";
	$_COOKIE["CityArea"]="";
	error_document("用户登录","您的帐号己在别处登陆！","/","","../error_document.php");	
}
?>