<?php
namespace GeekCache\Cache;

class MemcachedServiceProvider
{
    public function __construct($container)
    {
        $this->container = $container;
    }

    public function register()
    {
        $this->container['geekcache.memcached'] = $this->container->share(function ($c) {
            $memcached = new \Memcached();

            $servers = isset($c['geekcache.memcache.servers'])
                ? $c['geekcache.memcache.servers']
                : array('localhost' => array(11211));

            foreach ($servers as $ip => $ports) {
                foreach ($ports as $port) {
                    $flatServers[] = array($ip, (int)$port);
                }
            };

            $memcached->addServers($flatServers);
            return $memcached;
        });

        $this->container['geekcache.persistentincrementablecache.unnamespaced'] = $this->container->share(function ($c) {
            return new IncrementableMemcachedCache($c['geekcache.memcached']);
        });

        $this->container['geekcache.persistentcache.unnamespaced'] = $this->container->share(function ($c) {
            return new MemcachedCache($c['geekcache.memcached']);
        });
    }
}

<?php
namespace GeekCache\Cache;

class MemcachedServiceProvider
{
    public function __construct($container)
    {
        $this->container = $container;
    }

    public function register()
    {
        $this->container['geekcache.memcached'] = $this->container->share(function ($c) {
            $memcached = new \Memcached();

            $servers = isset($c['geekcache.memcached.servers'])
                ? $c['geekcache.memcached.servers']
                : array('localhost' => array(11211));

            foreach ($servers as $ip => $ports) {
                foreach ($ports as $port) {
                    $flatServers[] = array($ip, (int)$port);
                }
            };

            $memcached->addServers($flatServers);
            return $memcached;
        });

        $this->container['geekcache.persistentincrementablecache.unnamespaced'] = $this->container->share(function ($c) {
            return new IncrementableMemcachedCache($c['geekcache.memcached']);
        });

        $this->container['geekcache.persistentcache.unnamespaced'] = $this->container->share(function ($c) {
            return new MemcachedCache($c['geekcache.memcached']);
        });
    }
}

--- 
+++ 
@@ -13,8 +13,8 @@
         $this->container['geekcache.memcached'] = $this->container->share(function ($c) {
             $memcached = new \Memcached();
 
-            $servers = isset($c['geekcache.memcached.servers'])
-                ? $c['geekcache.memcached.servers']
+            $servers = isset($c['geekcache.memcache.servers'])
+                ? $c['geekcache.memcache.servers']
                 : array('localhost' => array(11211));
 
             foreach ($servers as $ip => $ports) {
Use the same name for the servers for the memcached and memcache service providers
