library/Rediska.php
public function getSerializer()
    {
        if ($this->_serializer === null) {
            $this->_serializer = new Rediska_Serializer($this->_options['serializerAdapter']);
        }

        return $this->_serializer;
    }
public function getSerializer()
    {
        if ($this->_serializer === null) {
            $this->_serializer = new Rediska_Serializer($this->_options['serializerAdapter']);
        }

        return $this->_serializer;
    }
Get Rediska serializer

@return Rediska_Serializer