profile.php

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

require 'db_connect.php';

$user_id = $_SESSION['user_id'];
$sql = "SELECT * FROM users WHERE id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("i", $user_id);
$stmt->execute();
$result = $stmt->get_result();
$user = $result->fetch_assoc();

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $username = $_POST['username'];
    $email = $_POST['email'];
    $full_name = $_POST['full_name'];
    $phone = $_POST['phone'];
    $address = $_POST['address'];
    $sql = "UPDATE users SET username = ?, email = ?, full_name = ?, phone = ?, address = ? WHERE id = ?";
    $stmt = $conn->prepare($sql);
    $stmt->bind_param("sssssi", $username, $email, $full_name, $phone, $address, $user_id);
    if ($stmt->execute()) {
        header("Location: profile.php?success=Профіль оновлено успішно.");
    } else {
        echo "Помилка: " . $conn->error;
    }
}

$conn->close();
?>

<!DOCTYPE html>
<html lang="uk">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="style.css">
    <title>Профіль</title>
</head>
<body>
    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
        <div class="container-fluid">
            <a class="navbar-brand" href="index.php">На головну</a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="navbar-nav ms-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="logout.php">Вихід</a>
                    </li>
                </ul>
            </div>
        </div>
    </nav>

    <div class="container mt-5">
        <div class="form-container">
            <h1 class="text-center">Редагувати профіль</h1>
            <?php if(isset($_GET['success'])): ?>
                <div class="alert alert-success" role="alert">
                    <?php echo htmlspecialchars($_GET['success']); ?>
                </div>
            <?php endif; ?>
            <form action="profile.php" method="POST">
                <div class="mb-3">
                    <label for="username" class="form-label">Ім'я користувача:</label>
                    <input type="text" class="form-control" id="username" name="username" value="<?php echo htmlspecialchars($user['username']); ?>" required>
                </div>
                <div class="mb-3">
                    <label for="email" class="form-label">Електронна пошта:</label>
                    <input type="email" class="form-control" id="email" name="email" value="<?php echo htmlspecialchars($user['email']); ?>" required>
                </div>
                <div class="mb-3">
                    <label for="full_name" class="form-label">Повне ім'я:</label>
                    <input type="text" class="form-control" id="full_name" name="full_name" value="<?php echo htmlspecialchars($user['full_name']); ?>">
                </div>
                <div class="mb-3">
                    <label for="phone" class="form-label">Номер телефону:</label>
                    <input type="text" class="form-control" id="phone" name="phone" value="<?php echo htmlspecialchars($user['phone']); ?>">
                </div>
                <div class="mb-3">
                    <label for="address" class="form-label">Адреса:</label>
                    <input type="text" class="form-control" id="address" name="address" value="<?php echo htmlspecialchars($user['address']); ?>">
                </div>
                <button type="submit" class="btn btn-primary w-100">Оновити профіль</button>
            </form>
        </div>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>