mirror of
https://github.com/seigler/neat-charts
synced 2025-07-27 01:16:09 +00:00
25 lines
643 B
PHP
25 lines
643 B
PHP
<?php
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require_once 'vendor/autoload.php';
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$chartData = [];
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$offset = 100 * (rand()/getRandMax())**4;
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$scale = 100 * (rand()/getRandMax())**2;
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$volatility = 0.5 * (rand()/getRandMax())**3;
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for ($n = 0, $current = $offset + 0.5 * $scale; $n < 24; $n++) {
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$current -= $offset;
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$current *= 1 + $volatility * (rand()/getRandMax() - 0.5);
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$current += $offset;
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$chartData[$n] = $current;
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}
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header('Content-type: image/svg+xml; charset=utf-8');
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$chart = new NeatCharts\LineChart($chartData, [
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'width'=>500,
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'height'=>400,
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'lineColor'=>'#00F',
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'labelColor'=>'#222',
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'smoothed'=>false,
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'fontSize'=>14
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]);
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echo $chart->render();
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?>
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