function items($cacheId)
{
$fullPrefix = \Cachet\Helper::formatKey([$this->prefix, $cacheId]);
$keyRegex = "~^" . preg_quote($fullPrefix, "~") . "~";
$iter = new \APCIterator('user', $keyRegex, APC_ITER_VALUE, $this->iteratorChunkSize);
return new \Cachet\Util\MapIterator($iter, function ($item) {
return $item['value'];
});
}
private function change($method, $key, $by = 1)
{
$memcache = $this->connector->memcache ?: $this->connector->connect();
$formattedKey = \Cachet\Helper::formatKey([$this->prefix, $this->cacheId, $key]);
$value = $memcache->{$method}($formattedKey, abs($by));
if ($value === false) {
if ($memcache->getResultCode() == self::NOT_FOUND) {
if ($method == 'decrement') {
throw new \OutOfBoundsException("Memcache counters cannot be decremented past 0");
}
$value = $this->initialise($memcache, $method, $key, $formattedKey, $by);
} else {
throw $this->memcacheException($memcache);
}
} else {
$this->ensureValidValue($memcache, $formattedKey, $value);
}
return (int) $value ?: 0;
}
private function change($method, $key, $by)
{
$formattedKey = \Cachet\Helper::formatKey([$this->prefix, $this->cacheId, $key]);
$value = $method($formattedKey, abs($by), $success);
if (!$success) {
$check = false;
if ($this->locker) {
$this->locker->acquire($this->cacheId, $key);
$check = apc_fetch($formattedKey);
if ($check !== false) {
$value = $method($formattedKey, abs($by), $success);
}
}
if ($check === false) {
$this->set($key, $by);
$value = $by;
}
if ($this->locker) {
$this->locker->release($this->cacheId, $key);
}
}
return $value;
}
function decrement($key, $by = 1)
{
$redis = $this->connector->redis ?: $this->connector->connect();
$key = \Cachet\Helper::formatKey([$this->prefix, 'counter', $key]);
return $redis->decrBy($key, $by);
}
protected function flushStore($cacheId)
{
$prefix = \Cachet\Helper::formatKey([$this->prefix, $cacheId]);
xcache_unset_by_prefix($prefix);
}
function decrement($key, $by = 1)
{
$formatted = \Cachet\Helper::formatKey([$this->prefix, 'counter', $key]);
$value = xcache_dec($formatted, $by, $this->counterTTL);
return $value;
}
protected function deleteFromStore($cacheId, $key)
{
$formattedKey = \Cachet\Helper::formatKey([$this->prefix, $cacheId, $key]);
$memcache = $this->connector->memcache ?: $this->connector->connect();
return $memcache->delete($formattedKey);
}
function set($key, $value)
{
$formattedKey = \Cachet\Helper::formatKey(['counter', $key]);
$this->cache->set($formattedKey, $value);
}
function keys($cacheId)
{
$prefix = \Cachet\Helper::formatKey([$this->prefix, $cacheId]) . "/";
$len = strlen($prefix);
$redis = $this->connector->redis ?: $this->connector->connect();
$redisKeys = $redis->keys("{$prefix}*");
$keys = [];
foreach ($redisKeys as $key) {
$keys[] = substr($key, $len);
}
sort($keys);
return $keys;
}
