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23 lines
499 B
PHP
23 lines
499 B
PHP
<?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 < 96; $n++) {
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$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] = $current;
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}
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$stockChart = new NeatCharts\LineChart($chartData, [
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"width"=>500,
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"height"=>150,
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"fontSize"=>10
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]);
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print $stockChart->render();
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?>
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