<?php
// Simulate file upload
$csv_data = "Date,Open,High,Low,Close,Volume
2023-10-01,150,155,148,152,100000
2023-10-02,152,158,151,157,120000
2023-10-03,157,160,156,159,110000
2023-10-04,159,162,158,161,130000
2023-10-05,161,165,160,164,140000";
// Convert CSV data to an array
$data = array_map('str_getcsv', explode("\n", $csv_data));
$headers = array_shift($data); // Remove headers
// Extract closing prices
$closing_prices = array();
foreach ($data as $row) {
if (isset($row[4])) { // Ensure the "Close" column exists
$closing_prices[] = (float)$row[4]; // Convert to float
}
}
// Calculate Simple Moving Average (SMA) for prediction
$sma_period = 5; // Adjust as needed
if (count($closing_prices) >= $sma_period) {
$sma = array_sum(array_slice($closing_prices, -$sma_period)) / $sma_period;
// Predict next day's price (simple example)
$last_price = end($closing_prices);
$predicted_price = $last_price + ($last_price - $sma);
// Buy/Sell recommendation
if ($predicted_price > $last_price) {
$recommendation = "Buy";
$class = "buy";
} else {
$recommendation = "Sell";
$class = "sell";
}
// Display results
echo '<div class="spp-results ' . $class . '">';
echo '<h3>Prediction Results</h3>';
echo '<p>Last Closing Price: ' . $last_price . '</p>';
echo '<p>Predicted Next Day Price: ' . $predicted_price . '</p>';
echo '<p>Recommendation: <strong>' . $recommendation . '</strong></p>';
echo '</div>';
} else {
echo '<div class="spp-error">Not enough data to calculate SMA. Please provide at least ' . $sma_period . ' days of data.</div>';
}
?>