$x = array();
for ($i = 0; $i < 7; $i++) {
    $x[] = mt_rand(-20, 100);
}
$y = array('Lundi', 'Mardi', 'Mercredi', 'Jeudi', 'Vendredi', 'Samedi', 'Dimanche');
$plot = new BarPlot($x);
$plot->setSpace(6, 6, 10, 10);
$plot->setBarColor(new Color(100, 100, 100, 50));
$plot->setBarPadding(mt_rand(0, 30) / 100, mt_rand(0, 30) / 100);
$plot->label->hideFirst(TRUE);
$plot->label->hideLast(TRUE);
$plot->label->set($x);
$plot->label->move(0, -23);
$plot->label->setBackgroundGradient(new LinearGradient(new Color(250, 250, 250, 10), new Color(255, 200, 200, 30), 0));
$plot->label->border->setColor(new Color(20, 20, 20, 20));
$plot->label->setPadding(0, 0, 0, 1);
$plot->label->setFont(new Tuffy(10));
$plot->setBackgroundGradient(new LinearGradient(new Color(210, 210, 210), new Color(255, 255, 255), 0));
$plot->grid->setBackgroundColor(new Color(235, 235, 180, 60));
$plot->yAxis->setLabelPrecision(2);
$plot->yAxis->label->setFont(new Tuffy(8));
$plot->xAxis->setLabelText($y);
$plot->xAxis->label->setFont(new Tuffy(8));
$plot->xAxis->label->setAngle(mt_rand(0, 90));
$plot->legend->add($plot, "Test", LEGEND_BACKGROUND);
$plot->legend->setModel(LEGEND_MODEL_BOTTOM);
$plot->legend->setPadding(10, 10, 10, 10);
$plot->legend->setPosition(NULL, 0.85);
$plot->legend->setTextMargin(8, 0);
$graph->add($plot);
$graph->draw();