Hi is there anyone who can help me with this errorFatal error: Cannot instantiate non-existent class: graph in /usr/apache/htdocs/raven/graphs1.php on line 15
there is my coding
$data['plan'] = array (
11.5, 12, 12, 13.5, 10, 9.5,
11, 12, 12, 11, 13, 12.5 );
$data['actual'] = array(
12, 14, 14.5, 13, 9, 4,
0, 0, 0, 0, 0, 0 );
$data['forecast'] = array (
0, 0, 0, 0, 0, 10, 12,
14, 13, 10, 11, 13 );
$jpgcache = APACHE_CACHE_DIR;
$graph_name = 'chart.png';
$g = new graph(500, 200, $graph_name, 0, 0);
$g->img->SetMargin(30, 30, 30, 30);
$g->SetScale('textlin');
$line1 = LinePlot($data['plan']);
$line1->SetColor('darkolivegreen');
$line2 =LinePlot($data['actual']);
$line2->SetColor('blue');
$line3 =LinePlot($data['forecast']);
$line3->SetColor('silver');
$g->Add($line1);
$g->Add($line2);
$g->Add($line3);
$g->Stroke();
print "<img src='{$jpgcache}{$graph_name}'>\n";
