manscaleex1.php
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<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');
 
$ydata = array(12,17,22,19,5,15);
 
$graph = new Graph(220,170);
$graph->SetScale("textlin",3,35);
$graph->yscale->ticks->Set(8,2);
 
$graph->title->Set('Manual scale, manual ticks');
$graph->title->SetFont(FF_FONT1,FS_BOLD);
 
$line = new LinePlot($ydata);
$graph->Add($line);
 
// Output graph
$graph->Stroke();
 
?>