lithium\storage\cache\adapter\Redis::read PHP Method

    public function read(array $keys)
    {
        if (count($keys) > 1) {
            $results = array();
            $data = $this->connection->mGet($keys);
            foreach ($data as $key => $item) {
                $key = $keys[$key];
                if ($item === false && !$connection->exists($key)) {
                    continue;
                }
                $results[$key] = $item;
            }
            return $results;
        }
        $result = $this->connection->get($key = current($keys));
        return $result === false ? array() : array($key => $result);
    }

 public function testReadWithScope()
 {
     $adapter = new Redis(array('scope' => 'primary'));
     $this->_redis->set('primary:key1', 'test1', 60);
     $this->_redis->set('key1', 'test2', 60);
     $keys = array('key1');
     $expected = array('key1' => 'test1');
     $result = $adapter->read($keys);
     $this->assertEqual($expected, $result);
 }