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[42] | 1 | <?php // content="text/plain; charset=utf-8" |
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| 2 | require_once ('jpgraph/jpgraph.php'); |
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| 3 | require_once ('jpgraph/jpgraph_bar.php'); |
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| 4 | |
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| 5 | $data = array(0.1235,0.4567,0.67,0.45,0.832); |
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| 6 | |
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| 7 | // Callback function |
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| 8 | // Get called with the actual value and should return the |
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| 9 | // value to be displayed as a string |
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| 10 | function cbFmtPercentage($aVal) { |
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| 11 | return sprintf("%.1f%%",100*$aVal); // Convert to string |
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| 12 | } |
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| 13 | |
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| 14 | // Create the graph. |
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| 15 | $graph = new Graph(400,300); |
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| 16 | $graph->SetScale("textlin"); |
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| 17 | |
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| 18 | // Create a bar plots |
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| 19 | $bar1 = new BarPlot($data); |
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| 20 | |
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| 21 | // Setup the callback function |
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| 22 | $bar1->value->SetFormatCallback("cbFmtPercentage"); |
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| 23 | $bar1->value->Show(); |
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| 24 | |
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| 25 | // Add the plot to the graph |
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| 26 | $graph->Add($bar1); |
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| 27 | |
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| 28 | // .. and send the graph back to the browser |
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| 29 | $graph->Stroke(); |
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| 30 | ?> |
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