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How to use session timeout setting in php: 1. Set the [php.ini] configuration file and use the [ini_set] function to change the attribute value of the current context environment; 2. Set the Session timestamp, the code is [unset( $_SESSION['expiretime'])].
php uses session timeout setting method:
The first method, That is, set the php.ini configuration file and set the session.gc_maxlifetime and session.cookie_lifetime node attribute values. Of course, you can also use the ini_set function to change them. Attribute value of the current context environment:
ini_set('session.gc_maxlifetime', "3600"); // 秒
ini_set("session.cookie_lifetime","3600"); // 秒The second method, is to set the Session timestamp, such as the following method.
When the login is successful, set the timestamp to 1 hour later than the current time, $_SESSION['expiretime'] = time() 3600;. Use the following code to check the user login status:
if(isset($_SESSION['expiretime'])) {
if($_SESSION['expiretime'] < time()) {
unset($_SESSION['expiretime']);
header('Location: logout.php?TIMEOUT'); // 登出
exit(0);
} else {
$_SESSION['expiretime'] = time() + 3600; // 刷新时间戳
}
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