?> File: modules/admin/add_student.php

<?php $student_id = $_POST['student_id']; $fee_id = $_POST['fee_id']; $amount = $_POST['amount_paid']; $transaction_id = uniqid('TXN'); $stmt = $pdo->prepare("INSERT INTO fee_payments (student_id, fee_id, amount_paid, transaction_id, payment_date, status) VALUES (?, ?, ?, ?, NOW(), 'Paid')"); $stmt->execute([$student_id, $fee_id, $amount, $transaction_id]);

<?php session_start(); if (!isset($_SESSION['user_id'])) header("Location: ../login.php"); exit();

?> <?php session_start(); require_once 'config/database.php'; if ($_SERVER['REQUEST_METHOD'] == 'POST') $username = trim($_POST['username']); $password = $_POST['password'];

if ($user && password_verify($password, $user['password'])) $_SESSION['user_id'] = $user['user_id']; $_SESSION['role'] = $user['role']; $_SESSION['username'] = $user['username']; header("Location: modules/" . $user['role'] . "/dashboard.php"); exit(); else $error = "Invalid username or password.";