php利用cookie实现访问次数统计代码

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<?php
global $count;
$count=1;
if(!isset($_cookie["visittime"])){ setcookie("visittime",date("y-m-d h:i:s"));
setcookie("visitcount",1); echo "欢迎你第一次访问网站!";
}
else{
setcookie("visittime",date("y-m-d,h:i:s"),time()+60); $count=$_cookie['visitcount']+1;
setcookie("visitcount",$count); echo "你上次访问网站的时间为:".$_cookie['visittime'];
echo "<br>";
}
echo "你第".$_cookie['visitcount']."访问网站的时间为:".date("y-m-d h:i:s");
?>
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