['range' => '1mo', 'interval' => '1d'], '6month' => ['range' => '6mo', 'interval' => '1wk'], '12month' => ['range' => '1y', 'interval' => '1mo'] ]; $range = $range_map[$timespan]['range']; $interval = $range_map[$timespan]['interval']; $url = "https://query1.finance.yahoo.com/v8/finance/chart/$symbol?range=$range&interval=$interval"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0'); $response = curl_exec($ch); curl_close($ch); $data = json_decode($response, true); if (!isset($data['chart']['result'][0])) { header('Content-Type: text/plain'); die("ERROR"); } $prices = $data['chart']['result'][0]['indicators']['quote'][0]['close']; $valid_prices = array_filter($prices, function($p) { return $p !== null && $p > 0; }); $valid_prices = array_values($valid_prices); if (count($valid_prices) < 2) { header('Content-Type: text/plain'); die("ERROR"); } $first = $valid_prices[0]; $last = end($valid_prices); $change = (($last - $first) / $first) * 100; $trend = number_format(abs($change), 1); $arrow = $change > 0 ? '📈' : ($change < 0 ? '📉' : '➡️'); $direction = $change > 0 ? 'UP' : ($change < 0 ? 'DOWN' : 'FLAT'); $color = $change > 0 ? '#22c55e' : ($change < 0 ? '#ef4444' : '#6b7280'); $sign = $change > 0 ? '+' : ''; // Build SVG sparkline $width = 300; $height = 60; $padding = 2; $graphWidth = $width - ($padding * 2); $graphHeight = $height - ($padding * 2); $min = min($valid_prices); $max = max($valid_prices); $range = $max - $min ?: 0.01; $points = []; foreach ($valid_prices as $i => $price) { $x = $padding + ($i / (count($valid_prices) - 1)) * $graphWidth; $y = $padding + $graphHeight - (($price - $min) / $range) * $graphHeight; $points[] = "$x,$y"; } header('Content-Type: image/svg+xml'); ?>