header.php

<header class="header">

    <div class="flex">

        <a href="home.php" class="logo">R&R</a>

        <nav class="navbar">
            <ul>
                <li><a href="home.php">Home</a></li>
                <li><a href="about.php">About-US</a></li>
                <li><a href="contact.php">Feedbacks</a></li>
                <li><a href="shop.php">Products</a></li>
                <li><a href="orders.php">Orders</a></li>    
                <li><a href="login.php">Login</a></li>
                </li>
            </ul>
        </nav>

        <div class="icons">
            <div id="menu-btn" class="fas fa-bars"></div>
            <div id="user-btn" class="fas fa-user"></div>
            <?php
                $select_wishlist_count = mysqli_query($conn, "SELECT * FROM `wishlist` WHERE user_id = '$user_id'") or die('query failed');
                $wishlist_num_rows = mysqli_num_rows($select_wishlist_count);
            ?>
            <a href="wishlist.php"><span>&#10084;<?php echo $wishlist_num_rows; ?></span></a>
            <?php
                $select_cart_count = mysqli_query($conn, "SELECT * FROM `cart` WHERE user_id = '$user_id'") or die('query failed');
                $cart_num_rows = mysqli_num_rows($select_cart_count);
            ?>
            <a href="cart.php"><span> &#128722;<?php echo $cart_num_rows; ?></span></a>
        </div>

        <div class="account-box">
            <p>username : <span><?php echo $_SESSION['user_name']; ?></span></p>
            <p>email : <span><?php echo $_SESSION['user_email']; ?></span></p>
            <a href="logout.php" class="delete-btn">logout</a>
        </div>

    </div>

</header>