PHP and MySql - fetching rows from two tables

Question

I made product site where I fetch datas about produtcs from database, and I fetch datas about user who posted that product.

In one table are datas for product and in another table are datas for user, in product table is row with id of user who posted that product.

Now, I want to fetch both datas on same page, I don't really know how to do it.

This I made so far:

    <?php
        include 'init.php';

        $id = sanitize($_GET['id']);
        $seller_id = sanitize($_GET['sid']);
        $eur = 7.544967;

        mysql_query(" UPDATE products SET view_count = view_count + 1 WHERE id = '$id' ");  

    $query = mysql_query("SELECT * FROM products, users INNER JOIN product.seller_id = users.id WHERE product.id=".$id);        



while($result = mysql_fetch_assoc($query)){
                    $product_name = $result['product_name'];
                    $img_path = $result['img_path']; 
                    $img_name = $result['img_name'];
                    $condition = $result['condition'];
                    $quantity = $result['quantity'];
                    $country = $result['country'];
                    $price = $result['price'];
                    $pay_method = $result['pay_method'];
                    $shipping = $result['shipping'];
                    $return = $result['return'];
                    $description = $result['description'];                  

                    echo '<div id="sub_container">
                            <div id="image_container">                  
                                <div class="thumb-image">
                                    <img src="'.$img_path.'/'.$img_name.'" data-imagezoom="true" width="500px" height="500px"> 
                            </div>
                            <ul id="img_ul">
                                <li><img src="#" width="80px" height="80px"/></li>
                                <li><img src="#" width="80px" height="80px"/></li>
                                <li><img src="#" width="80px" height="80px"/></li>
                            </ul>                   
                        </div>
                        <div id="product_container">
                            <p><strong>'.$product_name.'</strong></p>
                            <hr>
                            Stanje: '.$condition.' <br><div class="br"></div>
                            Količina: '.$quantity.' <br><div class="br"></div>
                            Zemlja porijekla: '.$country.'<br><div class="br"></div><br>
                            Cijena: '.$price.'kn (~'.round($price/$eur).'€)<div class="br"></div>
                            Način plačanja: '.$pay_method.'<div class="br"></div>
                            Dostava: '.$shipping.'<div class="br"></div>
                            Povrat proizvoda: U roku od '.$return.' dana.<br><div class="br"></div>
                            <div class="br"></div><br><div class="br"></div>                                    
                        </div>
                        <ul id="aside_container">
                            <li>
                                <div id="aside">                    
                                    <img src="'.$seller_img_path.'/'.$seller_img_name.'" width="50px" height="50px"/>
                                    <a href="#">'.$seller_username.'</a>                    
                                    <br>
                                    '.$seller_points.'
                                    <hr>
                                    Broj pregleda: '.$result['view_count'].'<br>
                                    <a href="#">Dodaj na karticu</a><br>
                                    <a href="#">Dodaj u listu želja</a><br>
                                </div>
                            </li>
                            <li>
                                <div id="aside_buy">
                                    Boja: <select>
                                            <option value="red">Crvena</option>
                                            <option value="blue">Plava</option>
                                        </select><br><div class="br"></div>
                                    Veličina: <select>
                                        <option value="X">X</option>
                                        <option value="XL">XL</option>
                                    </select><br><div class="br"></div>
                                    Količina: <input type="number" name="quantity" id="quantity" value="1"/><br><br><br>
                                    <a id="buy_button" href="#">Kupi proizvod</a>
                                </div>
                            </li>
                        </ul>           
                    </div>
                    <div id="description_container">
                        <p><strong>Opis proizvoda</strong></p>
                        <hr>                        
                        <div id="description">'.$description.'</div>
                    </div>';
    ?>

$user_query is query for fetching datas from user table and vars in my code with seller word are fetched from that table, I tried with while loop but then my site is slow.

Answer 1

I just had to join my tables then run $query .

Like this:

$query = mysql_query("SELECT * FROM products, users WHERE products.seller_id=users.id AND products.id='$id'");

Thanks everybody for help.