/**
* {@inheritDoc}
*/
public function __invoke(CachePoolInterface $cache, $stage, CacheItemInterface $item = null)
{
if ($item instanceof CacheItemInterface && $item->isHit()) {
// time left
$left = $item->getExpiration()->getTimestamp() - time();
if ($left < $this->time_left && rand(1, $this->divisor) <= $this->probability) {
// log message
$cache->log('notice', Message::get(Message::CACHE_STAMPEDE_EXT, $item->getKey()));
// revert to miss
return $item->setHit(false);
}
}
return true;
}
/**
* {@inheritDoc}
*/
public function __invoke(CachePoolInterface $cache, $stage, CacheItemInterface $item = null)
{
if ($item instanceof CacheItemInterface) {
if ($stage === ExtensionStage::STAGE_POST_GET) {
if ($item->isHit()) {
$res = @unserialize($item->get());
}
} else {
$res = @serialize($item->get());
}
if (isset($res)) {
if ($res === false) {
return $this->falseAndSetError(Message::get(Message::CACHE_FAIL_SERIALIZE, $item->getKey()), Message::CACHE_FAIL_SERIALIZE);
}
$item->set($res);
}
}
return true;
}
/**
* {@inheritDoc}
*/
public function __invoke(CachePoolInterface $cache, $stage, CacheItemInterface $item = null)
{
if ($item instanceof CacheItemInterface) {
if ($stage === ExtensionStage::STAGE_POST_GET) {
if ($item->isHit()) {
$fnc = $this->decrypt;
$res = $fnc($item->get());
}
} else {
$fnc = $this->encrypt;
$res = $fnc($item->get());
}
if (isset($res)) {
// encrypt/decrypt failed
if ($res === false) {
return $this->falseAndSetError(Message::get(Message::CACHE_FAIL_ENCRYPT, $item->getKey()), Message::CACHE_FAIL_ENCRYPT);
}
// set to new string value
$item->set($res);
}
}
return true;
}
