$chart = new GoogleChart('lc', 180, 150);
$data = new GoogleChartData(array(10, 15, 25, 30, 45, 55, 58));
$data->setLegend('Foobar');
$chart->addData($data);
// no legend for this data serie
$data = new GoogleChartData(array(5, 12, 28, 26, 30, 34, 32));
$data->setColor('FF0000');
$chart->addData($data);
echo $chart->toHtml();
$chart = new GoogleChart('lc', 180, 150);
$chart->setLegendPosition('b');
$data = new GoogleChartData(array(10, 15, 25, 30, 45, 55, 58));
$data->setLegend('Foo');
$chart->addData($data);
$data = new GoogleChartData(array(5, 12, 28, 26, 30, 34, 32));
$data->setLegend('Bar');
$data->setColor('FF0000');
$chart->addData($data);
echo $chart->toHtml();
$chart = new GoogleChart('lc', 180, 150);
$chart->setLegendPosition('t');
$chart->setLegendSize(18);
$chart->setLegendColor('336699');
$data = new GoogleChartData(array(10, 15, 25, 30, 45, 55, 58));
$data->setLegend('Foo');
$chart->addData($data);
$data = new GoogleChartData(array(5, 12, 28, 26, 30, 34, 32));
$data->setLegend('Bar');
$data->setColor('FF0000');
$chart->addData($data);
echo $chart->toHtml();