storages: removed needless type conversion after 7da6cc6

Author: dg

src/Caching/Storages/FileStorage.php

@@ -180,7 +180,7 @@ public function write($key, $data, array $dp)
 		}
 
 		if (isset($dp[Cache::ITEMS])) {
-			foreach ((array) $dp[Cache::ITEMS] as $item) {
+			foreach ($dp[Cache::ITEMS] as $item) {
 				$depFile = $this->getCacheFile($item);
 				$m = $this->readMetaAndLock($depFile, LOCK_SH);
 				$meta[self::META_ITEMS][$depFile] = $m[self::META_TIME]; // may be NULL

src/Caching/Storages/SQLiteJournal.php

@@ -83,7 +83,7 @@ public function write($key, array $dependencies)
 		if (!empty($dependencies[Cache::TAGS])) {
 			$this->pdo->prepare('DELETE FROM tags WHERE key = ?')->execute([$key]);
 
-			foreach ((array) $dependencies[Cache::TAGS] as $tag) {
+			foreach ($dependencies[Cache::TAGS] as $tag) {
 				$arr[] = $key;
 				$arr[] = $tag;
 			}
@@ -123,7 +123,7 @@ public function clean(array $conditions)
 
 		$unions = $args = [];
 		if (!empty($conditions[Cache::TAGS])) {
-			$tags = (array) $conditions[Cache::TAGS];
+			$tags = $conditions[Cache::TAGS];
 			$unions[] = 'SELECT DISTINCT key FROM tags WHERE tag IN (?' . str_repeat(', ?', count($tags) - 1) . ')';
 			$args = $tags;
 		}

src/Caching/Storages/SQLiteStorage.php

@@ -121,7 +121,7 @@ public function write($key, $data, array $dependencies)
 			->execute([$key, serialize($data), $expire, $slide]);
 
 		if (!empty($dependencies[Cache::TAGS])) {
-			foreach ((array) $dependencies[Cache::TAGS] as $tag) {
+			foreach ($dependencies[Cache::TAGS] as $tag) {
 				$arr[] = $key;
 				$arr[] = $tag;
 			}
@@ -159,7 +159,7 @@ public function clean(array $conditions)
 			$args = [time()];
 
 			if (!empty($conditions[Cache::TAGS])) {
-				$tags = (array) $conditions[Cache::TAGS];
+				$tags = $conditions[Cache::TAGS];
 				$sql .= ' OR key IN (SELECT key FROM tags WHERE tag IN (?' . str_repeat(',?', count($tags) - 1) . '))';
 				$args = array_merge($args, $tags);
 			}