Question

i have this code which i use in order to extract first all users that exist in my database,
then, i query each of them, to see how many points they have calculated.
My issue is, the users that have points allocated the query extracts correct information, but if a user has not any points, then, all those users won’t appear 0 points, but another user’s points are given to them..
What is wrong with my code?

//here i get all user id's
$query = 'SELECT * FROM users';
    $result = mysql_query($query) or die(mysql_error());
    $id_user = array();
    $phone = array();
    $name = array();
    while($row = mysql_fetch_array($result)){
        $id_user[]=$row['user_id'];
        $phone[]=$row['phone'];
        $name[]=$row['first_name'];
    }
//here i get all points collected for each user
    foreach ($id_user as $user_id) {
    $queryuser ='SELECT SUM(basket_value) as total_sum FROM retailer WHERE user_id="'.$user_id.'"';
    $resultuser = mysql_query($queryuser) or die(mysql_error());
    echo "<table>";
    while($row = mysql_fetch_array($resultuser)){

            $total += $row['total_sum'];
            echo "<tr>";
            echo "<td>";
            echo $total;
            echo "</td>";
            echo "<td>";
            echo $user_id;
            echo "</td>";
            echo "</tr>";
        }
    }
    echo "<table>";

Answer 1

Your issue: all those users won't appear 0 points, but another user's points are given to them

Because you need to initialize $total=0; before while($row = mysql_fetch_array($resultuser)){