计时器:

if(!isset($_COOKIE['num'])){

$num = 1;

}else{

$num = $_COOKIE['num']+1;

}

setcookie('num',$num);


echo '你这是第',$num,'次来';

浏览历史记录:

$url = $_SERVER['REQUEST_URI'];

$id = isset($_GET['id'])?$_GET['id']:0;


if(!isset($_COOKIE['history'])){

$his[] = $url;

}else{

$his = explode('|',$_COOKIE['history']);

array_unshift($his,$url);

$his = array_unique($his);


if(count($his) > 10){

array_pop($his);

}

}


setcookie('history',implode('|',$his));



?>


<p><a href="history.php?id=<?php echo $id-1 ?>">上一页</a></p>

<p><a href="history.php?id=<?php echo $id+1 ?>">下一页</a></p>

<h4>历史记录</h4>

<ul>

<?php foreach($his as $k => $v){ ?>

<li><?php echo '<a href="',$v,'">',$v,'</a>'; }?></li>

</ul>