Additional checks for getMultiple method of ApcuDriver

src/Driver/ApcuDriver.php

@@ -73,7 +73,15 @@ class ApcuDriver extends AbstractDriver {
 	 */
 	public function getMultiple(array $keys = []): array
 	{
-		return \apcu_fetch($keys);
+		$status = FALSE;
+		$output = apcu_fetch($keys, $status);
+		
+		if ($status === FALSE || !is_array($output))
+		{
+			return [];
+		}
+		
+		return $output;
 	}
 
 	/**