/**
* Deletes all items from cache.
*
* This should only be used for maintenance purposes (slow performance).
*/
public function flush()
{
$keys = $this->redis->keys($this->redis->prefix('*'));
foreach ($keys as $key) {
$this->redis->del($key);
}
}
/**
* Invalidates data in the cache.
*
* Will send all affected tags to the cache and ask for hashes having at least one of the provided tags.
* Finally it's going to delete all affected items in the cache.
*/
public function invalidate()
{
$hashes = [];
// Loop trough tags
$tags = $this->reflector->getTags(true);
foreach ($tags as $tag) {
$tag = $this->redis->prefix($tag);
// Check if a set exists
if (!$this->redis->exists($tag)) {
continue;
}
// Add hashes to collection
$hashes += $this->redis->smembers($tag);
// Delete tag set
$this->redis->del($tag);
}
// Now delete items
$hashes = array_unique($hashes);
foreach ($hashes as $hash) {
$this->redis->del($hash);
}
}
