Explication détaillée de la façon d'implémenter le memcache distribué en PHP pour configurer la synchronisation des sessions du cluster Web

session.save_handler = files
session.save_path = "/var/lib/php/session"

vi /etc/php.ini

session.save_handler = memcache
session.save_path = "tcp://192.168.20.193:11211,tcp://192.168.20.194:11211"

<?php
....
ini_set("session.save_handler", "memcache");
ini_set("session.save_path", "tcp://192.168.20.193:11211,tcp://192.168.20.194:11211");
....
?>

service httpd restart

<?php
session_start();
$_SESSION[&#39;login_time&#39;] = time();
$_SESSION[&#39;username&#39;] = &#39;test2&#39;;
$token=session_id();
echo $token;
//memache实现
$mem = new Memcache();
$mem->addServer(&#39;192.168.20.193&#39;,11211);
$mem->addServer(&#39;192.168.20.194&#39;,11211);
/*
//memached实现
$mem = new Memcached();
$servers = array(
 array(&#39;192.168.20.193&#39;, 11211, 33),
 array(&#39;192.168.20.194&#39;, 11211, 67)
);
$mem->addServers($servers);
*/
echo &#39;<hr>&#39;;
print_r($mem->get($token));
?>
<p>
<a href="http://192.168.20.194/user.php?token=<?php echo $token;?>" rel="external nofollow" target="_balnk">跳转到194网站的个人中心</a>
</p>

<?php
$mem = new Memcache();
$mem->addServer(&#39;192.168.20.193&#39;,11211);
$mem->addServer(&#39;192.168.20.194&#39;,11211);
$token=$_GET[&#39;token&#39;];//获取传过来的token
print_r($mem->get($token));
?>
<p>
<a href="http://192.168.20.193/user.php?token=<?php echo $token;?>" rel="external nofollow" target="_balnk">返回193网站的个人中心</a>
</p>