Question

我用谷歌搜索了1-2个小时，用PHP存储最后访问过的页面。但通常有JS的例子。你能推荐一个完整记录的例子，或者你能给出一个例子吗？

我是PHP的新手，我想做一些例子。

此示例无效

// define the new value to add to the cookie
$ad_name = $myProductId; //comes from $_GET[]

// if the cookie exists, read it and unserialize it. If not, create a blank array
if(array_key_exists('recentviews', $_COOKIE)) {
    $cookie = $_COOKIE['recentviews'];
    $cookie = unserialize($cookie);
} else {
    $cookie = array();
}

// add the value to the array and serialize
$cookie[] = $ad_name;
$cookie = serialize($cookie);

// save the cookie
setcookie('recentviews', $cookie, time()+3600);

//prints to screen noting
foreach ($_COOKIE['recentviews'] as $h) {
        echo $h."-";

    }

Answer 1

$_COOKIE['recentviews']仍然是一个序列化的字符串，所以这不会在循环中工作。

工作代码：

// define the new value to add to the cookie
$ad_name = $myProductId; //comes from $_GET[]

// if the cookie exists, read it and unserialize it. If not, create a blank array
if(array_key_exists('recentviews', $_COOKIE)) {
    $cookie = $_COOKIE['recentviews'];
    $cookie = unserialize($cookie);
} else {
    $cookie = array();
}

// add the value to the array and serialize
$cookie[] = $ad_name;
$cookieString = serialize($cookie); /* changed $cookie to $cookieString */

// save the cookie
setcookie('recentviews', $cookieString , time()+3600); /* insert $cookiestring */

//prints to screen noting
foreach ($cookie as $h) { /* changed $_COOKIE['recentviews'] to $cookie */
        echo $h."-";

    }

更改在/ * .. * / comments。

中解释

如何在PHP中存储cookie中最后访问过的n个页面

1 个答案: