/**
* Returns a Cache Item representing the specified key.
*
* This method must always return a CacheItemInterface object, even in case of
* a cache miss. It MUST NOT return null.
*
* @param string $key
* The key for which to return the corresponding Cache Item.
*
* @throws InvalidArgumentException
* If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
* MUST be thrown.
*
* @return CacheItemInterface
* The corresponding Cache Item.
*/
public function getItem($key)
{
$item = new CacheItem($this, $key);
if (isset(self::$cachePool[$this->_pool][$key])) {
$item->hydrate(self::$cachePool[$this->_pool][$key], true);
} else {
$item->hydrate(null, false);
}
return $item;
}
/**
* Returns a Cache Item representing the specified key.
*
* This method must always return a CacheItemInterface object, even in case of
* a cache miss. It MUST NOT return null.
*
* @param string $key
* The key for which to return the corresponding Cache Item.
*
* @throws InvalidArgumentException
* If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
* MUST be thrown.
*
* @return CacheItemInterface
* The corresponding Cache Item.
*/
public function getItem($key)
{
$item = new CacheItem($this, $key);
$value = $this->_connection->get($key);
if ($value !== false) {
$item->hydrate($value, true);
} else {
$item->hydrate(null, false);
}
return $item;
}
/**
* Create a new cache item
*
* @param $key
* @param null $value
* @param null $ttl
*
* @return CacheItem
*/
public function createItem($key, $value = null, $ttl = null)
{
$item = new CacheItem($this, $key);
if ($value !== null) {
$item->set($value, $ttl);
}
return $item;
}