Problemi con:Parse error: syntax error, unexpected '(', expecting '{

[il pupo]

Salve ragazzi , ho questo problema Parse error: syntax error, unexpected '(', expecting '{ in \Example12.php on line 2

ma non riesco ad identificare l'errore:

<?php
class grafico
{

public function creagrafico(){


 // Standard inclusions   
 include("pChart/pData.class");
 include("pChart/pChart.class");

 // Dataset definition 
 $DataSet = new pData;
 $DataSet->AddPoint(array(1,4,-3,2,-3,3,2,1,0,7,4),"Serie1");
 $DataSet->AddPoint(array(3,3,-4,1,-2,2,1,0,-1,6,3),"Serie2");
 $DataSet->AddPoint(array(4,1,2,-1,-4,-2,3,2,1,2,2),"Serie3");
 $DataSet->AddAllSeries();
 $DataSet->SetAbsciseLabelSerie();
 $DataSet->SetSerieName("January","Serie1");
 $DataSet->SetSerieName("February","Serie2");
 $DataSet->SetSerieName("March","Serie3");

 // Initialise the graph
 $Test = new pChart(900,900);
 $Test->setFontProperties("Fonts/tahoma.ttf",8);
 $Test->setGraphArea(50,30,680,200);
 $Test->drawFilledRoundedRectangle(7,7,693,223,5,240,240,240);
 $Test->drawRoundedRectangle(5,5,695,225,5,230,230,230);
 $Test->drawGraphArea(255,255,255,TRUE);
 $Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_NORMAL,150,150,150,TRUE,0,2,TRUE);
 $Test->drawGrid(4,TRUE,230,230,230,50);

 // Draw the 0 line
 $Test->setFontProperties("Fonts/tahoma.ttf",6);
 $Test->drawTreshold(0,143,55,72,TRUE,TRUE);

 // Draw the bar graph
 $Test->drawBarGraph($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE,80);


 // Finish the graph
 $Test->setFontProperties("Fonts/tahoma.ttf",8);
 $Test->drawLegend(596,150,$DataSet->GetDataDescription(),255,255,255);
 $Test->setFontProperties("Fonts/tahoma.ttf",10);
 $Test->drawTitle(50,22,"Example 12",50,50,50,585);
 $immagine=$Test->Render("example12.png");
 return $immagine;
 }
 
 
 }

secondo voi dov'è?