/**
* Removes the specified item from the cache.
* @param string key
* @return void
* @throws InvalidArgumentException
*/
public function offsetUnset($key)
{
if (!is_string($key)) {
throw new InvalidArgumentException("Cache key name must be string, " . gettype($key) . " given.");
}
$this->key = $this->data = NULL;
$this->storage->remove($this->namespace . $key);
}
/**
* Removes the specified item from the cache.
* @param string key
* @return void
* @throws InvalidArgumentException
*/
public function offsetUnset($key)
{
if (!is_string($key) && !is_int($key)) {
throw new InvalidArgumentException("Cache key name must be string or integer, " . gettype($key) . " given.");
}
$this->key = $this->data = NULL;
$this->storage->remove($this->namespace . self::NAMESPACE_SEPARATOR . $key);
}
/**
* Retrieves the specified item from the cache or NULL if the key is not found (ArrayAccess implementation).
* @param string key
* @return mixed|NULL
* @throws InvalidArgumentException
*/
public function offsetGet($key)
{
if (!is_string($key) && !is_int($key)) {
throw new InvalidArgumentException("Cache key name must be string or integer, " . gettype($key) . " given.");
}
$key = (string) $key;
if ($this->key === $key) {
return $this->data;
}
$this->key = $key;
$this->data = $this->storage->read($this->namespace . self::NAMESPACE_SEPARATOR . $key);
return $this->data;
}
/**
* Removes items from the cache by conditions.
* Conditions are:
* - Cache::PRIORITY => (int) priority
* - Cache::TAGS => (array) tags
* - Cache::ALL => TRUE
*
* @param array
* @return void
*/
public function clean(array $conds = NULL)
{
$this->release();
$this->storage->clean((array) $conds);
}
