invisio v2.0

<?php
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $startTime = microtime(true);
    $startMemory = memory_get_usage();

$data = json_decode(file_get_contents("php://input"), true);

if (isset($data['filename']) && isset($data['filedata'])) {
        $uploadDir = __DIR__ . '/uploads/';
        if (!file_exists($uploadDir)) {
            mkdir($uploadDir, 0777, true);
        }

$filePath = $uploadDir . uniqid() . '_' . basename($data['filename']);
        $decodedData = base64_decode($data['filedata']);

if ($decodedData === false) {
            echo json_encode(['status' => 'error', 'message' => 'Base64 decode failed']);
            exit;
        }

$bandwidthUsage = strlen($data['filedata']); // ขนาด Base64 ที่รับมา

if (file_put_contents($filePath, $decodedData)) {
            $endTime = microtime(true);
            $endMemory = memory_get_usage();

echo json_encode([
                'status' => 'success',
                'url' => 'https://storage.example.com/uploads/' . basename($filePath),
                'execution_time' => $endTime - $startTime,
                'memory_usage' => $endMemory - $startMemory,
                'bandwidth_usage' => $bandwidthUsage
            ]);
        } else {
            echo json_encode(['status' => 'error', 'message' => 'File save failed']);
        }
    } else {
        echo json_encode(['status' => 'error', 'message' => 'Invalid data']);
    }
} else {
    echo json_encode(['status' => 'error', 'message' => 'Invalid request']);
}
?>