To use Graphic, you need to connect to the admin interface of the framework WebSite-PHP.

Once connected you will go to the menu Configuration -> Configure modules and enable the module Graphic.

File: /pages/tutorials/graphic/graphic-02.php

<?php
class Graphic02 extends Page {
    public function InitializeComponent() {
        parent::$PAGE_TITLE = "Tutorial : Chart with legend";
        
        $this->render = new Chart("chart-02");
        
        // init data
        $array_chart_data = array();
        $array_chart_data2 = array();
        $array_chart_data3 = array();
        for ($i=0; $i < 12; $i++) {
            $array_chart_data[] = array($i, rand(0, 99));
            $array_chart_data2[] = array($i, rand(0, 99));
            $array_chart_data3[] = array($i, rand(0, 99));
        }
        
        // set points of the graphics
        $this->render->addPoints("Data 1", 
                                $array_chart_data);
        $this->render->addPoints("Data 2", 
                                $array_chart_data2);
        $this->render->addPoints("Data 3", 
                                $array_chart_data3);
                                
        // display legend
        $this->render->setLegend();
    }
}
?>