Grafico en Php

[zaylets]

Esto es lo que tengo:

Capetas:

MI_CARPETA
---WrapperGraph.php
---archivo_del_grafico.php
---jpgrahp ////todos los archivos dentro de esta carpeta
------docs
---------//lo que esta en la carpeta docs


Este es el archivo wrapper.php

Código:

<?php
require_once 'jpgraph/jpgraph.php';
/**
* @class Wrapper Graph for generate the JpGraph
*
* @author carlos belisario <[email protected]>
* @version 1.0
*/
class WrapperGraph
{
    /**
*
* @var Graph
*/
    private $jpgrap;
    
    /**
*
* @var array
*/
    private $size;
    
    /**
*
* @param String $typeGraph
* @param array $size array associative whit the key width and heigth *
*/
    public function __construct($typeGraph, array $size)
    {
        require_once "jpgraph/$typeGraph.php";
        $this->size = $size;
        $this->jpgrap = new Graph($size['width'], $size['height']);
    }
           
    /**
*
* @param array $data data of the graph
* @param bool $show if true shows the graph, otherwise save the graphic in a image archive
* @param $graphName name of the graph for save
* @return void
* @generate the LineGraph
*/
    public function createLineGraph(array $data, $show = true, $graphName = 'LineGraph')
    {
        $this->jpgrap->SetScale('intlin');
        if(isset($data['title'])) {
            $this->jpgrap->title->set($data['title']);
        }
        $linePlot = new LinePlot($data);
        $this->jpgrap->Add($linePlot);
        if($show) {
            $this->jpgrap->Stroke();
        } else {
            $this->jpgrap->Stroke($graphName . 'png');
            return $nameGraph . ".png";
        }
    }
    
    public function createPieGrap(array $datas, $show = true, $nameGraph = 'PieGraph')
    {
        require_once 'jpgraph/jpgraph_pie3d.php';
        foreach ($datas as $key => $value){
            $data[] = $value[0];
            $nombres[] = $key;
            $color[] = $value[1];
        }
        
        $graph = new PieGraph($this->size['width'], $this->size['height']);
        if(!empty($titulo)){
            $graph->title->Set($titulo);
        }
        //Create the plot 3D
        $p1 = new PiePlot3D($data);
        //set the colors
        $p1->SetSliceColors($color);
        $p1->SetLegends($nombres);
        $graph->Add($p1);
        if($show) {
            $graph->Stroke();
        } else {
            $graph->Stroke("$nameGraph.png");
            return $nameGraph . ".png";
        }
    }
    
}
?>