Фильтр вывода товара из базы данных

Macan

Новичок
Приветствую всех, подскажите как реализовать множественный фильтр. Имеется база данных, из которой выводятся выбранный пользователем с помощью выпадающего списка и чек-боксов , товар на страницу в блоке carts.

----index.php----

PHP:
<?php

    include 'main.php';
    $shiny = $result;

?>
<!DOCTYPE html>
<html lang="ru">

<head>

    <meta charset="utf-8">
    <base href="/">

    <title></title>
    <meta name="description" content="">

    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    
    <!-- Template Basic Images Start -->
    <meta property="og:image" content="path/to/image.jpg">
    <link rel="icon" href="img/favicon/favicon.ico">
    <link rel="apple-touch-icon" sizes="180x180" href="img/favicon/apple-touch-icon-180x180.png">
    <!-- Template Basic Images End -->
    
    <!-- Custom Browsers Color Start -->
    <meta name="theme-color" content="#322E44">
    <!-- Custom Browsers Color End -->

    <link rel="stylesheet" href="css/main.css">

</head>
<body>
<form class="form">
    <?php
    $result = mysqli_query($conn, 'SELECT DISTINCT brend FROM shiny ORDER BY brend');
    ?>

        <select id="brend">
        <option disabled selected>Все</option>
        <?php

            while( ($brend = mysqli_fetch_assoc($result)) ) {

            echo '<option value="'. $brend['brend'] .'">' . $brend['brend'] . '</option>';

            }
        ?>

        </select>

        <?php
        $result = mysqli_query($conn, 'SELECT DISTINCT width FROM shiny ORDER BY width');
        ?>

        <select id="width">
        <option disabled selected>Все</option>
        <?php

            while( ($width = mysqli_fetch_assoc($result)) ) {
                
            echo '<option value="' . $width['width'] . '">' . $width['width'] . '</option>';

            }
        ?>

        </select>

        <?php
        $result = mysqli_query($conn, 'SELECT DISTINCT height FROM shiny ORDER BY height');
        ?>

        <select id="height">
        <option disabled selected>Все</option>
        <?php

            while( ($height = mysqli_fetch_assoc($result)) ) {
                
            echo '<option value="' . $height['height'] . '">' . $height['height'] . '</option>';

            }
        ?>

        </select>

        <?php
        $result = mysqli_query($conn, 'SELECT DISTINCT diametr FROM shiny ORDER BY diametr');
        ?>

        <select id="diametr">
        <option disabled selected>Все</option>
        <?php
            while( ($diametr = mysqli_fetch_assoc($result)) ) {
                
            echo '<option value="' . $diametr['diametr'] . '">' . $diametr['diametr'] . '</option>';

            }
        ?>

        </select>

                    <div class="leto">
                        <input class="check-box" type="checkbox" id="leto" />
                        <label class="check" for="leto">Летняя</label>
                        
                    </div>

                    <div class="zima">
                        <input class="check-box" type="checkbox" id="zima" />
                        <label class="check" for="zima">Зимняя</label>
                    </div>

                    <div class="ship">
                        <input class="check-box" type="checkbox" id="ship" />
                        <label class="check" for="ship">Шипованная</label>
                    </div>
                    <div class="neship">
                        <input class="check-box" type="checkbox" id="neship" />
                        <label class="check" for="neship">Нешипованная</label>
                    </div>
                    <button type="reset" class="button-right">Сбросить</button>
</form>
            <button class="button-left">Выбрать</button>




<div class="carts" id="carts">
    <!-- <?php foreach ($shiny as $item) : ?>
        <div class="cart">
        <img src="<?=$item['image'];?>">
        <p class="brend"><b><?=$item['brend'];?></b></p>
        <p class="name"><b><?=$item['name'];?></b></p>
        <p class="width"><b>Ширина:  <?=$item['width'];?></span></b></p>
        <p class="height"><b>Высота:  <?=$item['height'];?></span></b></p>
        <p class="diametr"><b>Диаметр:  <?=$item['diametr'];?></span></b></p>
        <p class="season"><b>Сезон:  <?=$item['season'];?></span></b></p>
        <p class="weight"><b>Вес:  <?=$item['weight'];?> кг.</span></b></p>
        </div>
    <?php endforeach; ?> -->
</div>

<?php
    mysqli_close($conn);
?>

    <script src="js/jquery.min.js"></script>
    <script src="js/common.js"></script>

</body>
</html>
----main.php----

PHP:
    $conn = mysqli_connect('localhost', '*****', '******', '******');
        if($conn == false ) {
            echo 'Не удалось соединиться!';
            echo mysqli_connect_error();
            exit();
        }



    $result = mysqli_query($conn, 'SELECT * FROM shiny');
    for($i = 0;$i < mysqli_num_rows($result); $i++) {
        $shiny[] = mysqli_fetch_array($result);
    }

    return $shiny;
----common.js----

JavaScript:
$(document).ready(function() {

    function filterItems() {
        var filter = $('.form'),
            items = $('.cart');
        items.hide();
 
Сверху