mirror of
https://github.com/seigler/neat-charts
synced 2025-07-27 01:16:09 +00:00
50 lines
1.5 KiB
PHP
50 lines
1.5 KiB
PHP
<?php
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//ini_set('display_errors', 1);
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Header('Content-type: image/svg+xml; charset=utf-8');
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Header('Content-Disposition: inline; filename="Dash-24h-chart-' . date('Y-m-d\THisT') . '.svg"');
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require 'buffer.php';
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require '../src/NeatCharts/LineChart.php'; // really just use composer instead
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function getJson($url) {
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if (empty($url)) {
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trigger_error('Missing or empty JSON url');
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}
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json'));
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
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curl_setopt($ch, CURLOPT_TIMEOUT, 3);
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// curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
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// curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
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// curl_setopt($ch, CURLOPT_CAINFO, getcwd() . "/VeriSignClass3PublicPrimaryCertificationAuthority-G5.pem");
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$result = curl_exec($ch);
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$result = json_decode($result) or trigger_error('Couldn\'t parse JSON');
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return $result;
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}
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$yesterday = time() - (24 * 60 * 60);
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$poloniex_url = 'https://poloniex.com/public?command=returnChartData¤cyPair=BTC_DASH&start=' . $yesterday . '&end=9999999999&period=' .
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//300 //5 min
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900 //15 min
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//1800 //30 min
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//7200 //3h
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//14400 //6h
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//86400 //1d
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;
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$last24h = getJson($poloniex_url);
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$chartData = [];
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foreach ($last24h as $item) {
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$chartData[$item->date] = $item->weightedAverage;
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}
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$poloniexChart = new NeatCharts\LineChart($chartData, [
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'width'=>800,
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'height'=>250,
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'lineColor'=>"#1C75BC", // Dash blue
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'labelColor'=>"#777",
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'smoothed'=>false
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]);
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print $poloniexChart->render();
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