src/Session.php
public function readSession($id)
    {
        $data = $this->redis->executeCommand('GET', [$this->calculateKey($id)]);

        return $data === false || $data === null ? '' : $data;
    }
public function readSession($id)
    {
        $data = $this->redis->executeCommand('GET', [$this->calculateKey($id)]);

        return $data === false || $data === null ? '' : $data;
    }
Session read handler.
Do not call this method directly.
@param string $id session ID
@return string the session data