<?php
include('db.php');

if (isset($_GET['id'])) {
    $student_id = intval($_GET['id']);
    $sql = "SELECT debt FROM students WHERE id = ?";
    $stmt = $conn->prepare($sql);
    $stmt->bind_param("i", $student_id);
    $stmt->execute();
    $stmt->bind_result($debt);
    if ($stmt->fetch()) {
        echo $debt; // ✅ Output the result
    }
    $stmt->close();
}

$conn->close();
?>