fixed CS

Author: fabpot

CacheTrait.php

@@ -46,7 +46,7 @@ private function doGet(CacheItemPoolInterface $pool, string $key, callable $call
 
  $item = $pool->getItem($key);
  $recompute = !$item->isHit() || INF === $beta;
- $metadata = $item instanceof ItemInterface ? $item->getMetadata() : array();
+ $metadata = $item instanceof ItemInterface ? $item->getMetadata() : [];
 
  if (!$recompute && $metadata) {
  $expiry = $metadata[ItemInterface::METADATA_EXPIRY] ?? false;