League\CommonMark\Inline\Element\AbstractInline::getData PHP Method

public getData ( string $key, mixed $default = null ) : mixed
$key	string
$default	mixed
return	mixed

    public function getData($key, $default = null)
    {
        return array_key_exists($key, $this->data) ? $this->data[$key] : $default;
    }

AbstractInline