src/CanvasArray.php
public function serialize()
    {
        $this->requestAllPages();
        return serialize(
            array(
                'page' => $this->page,
                'key' => $this->key,
                'data' => $this->data
            )
        );
    }
public function serialize()
    {
        $this->requestAllPages();
        return serialize(
            array(
                'page' => $this->page,
                'key' => $this->key,
                'data' => $this->data
            )
        );
    }
String representation of CanvasArray

@return string

@see http://php.net/manual/en/serializable.serialize.php
Serializable::serialize()