namespace Illuminate\Cache;
use Memcached;
use Illuminate\Contracts\Cache\Store;
// a namespace about the user
class MemcachedStore extends TaggableStore implements Store
{// a Store about Memcache Store
/**
* The Memcached instance.
* The Memcached instance.
* @var \Memcached
*/
protected $memcached;
/**
* A string that should be prepended to keys.
* A string that should be prepended to keys.
* @var string
*/
protected $prefix;// a string about the prefix. with connection about the
/**
* Create a new Memcached store.
* Create a new Memcached store.
* @param \Memcached $memcached
* @param string $prefix
* @return void
*/
public function __construct($memcached, $prefix = '')
{
$this->setPrefix($prefix);
$this->memcached = $memcached;
}// a supper big prefix
/**
* Retrieve an item from the cache by key.
* Retrieve an item form the cache by key.
* @param string|array $key
* @return mixed
*/
public function get($key)
{
$value = $this->memcached->get($this->prefix.$key);// a way to get value
if ($this->memcached->getResultCode() == 0) {
return $value;
}// if return value,
}// get a method
/**
* Retrieve multiple items from the cache by key.
* Retrieve multiple items from the cache by key.
*
* Items not found in the cache will have a null value.
* Items not found in the cache will have a null value.
* @param array $keys
* @return array
*/
public function many(array $keys)
{
$prefixedKeys = array_map(function ($key) {
return $this->prefix.$key;
}, $keys);// you are master ,
$values = $this->memcached->getMulti($prefixedKeys, null, Memcached::GET_PRESERVE_ORDER);
// more get
if ($this->memcached->getResultCode() != 0) {
return array_fill_keys($keys, null);
}// get the result
return array_combine($keys, $values);
}// get a lot of keys