Untitled

<?php
if($result = $db->query("SELECT userID, name FROM user ")) {
        while($row = $result->fetch_assoc())    {
            echo '<form method="POST" action="viewDetails.php"> ';

                echo $row['userID'], '. ';
                echo $row['name'];
                echo '<input type="submit" name="submit" value="View More Details"><br>';
            echo '</form>';
        }
    }else{
        die($db->error);
    }  ?>

<?php
    require "include/connection.php";
    //error_reporting(0);
?>

<DOCTYPE html>
<html>
<head>
</head>

<body>
<?php
if(!isset($_POST['selected'])){
    if($result = $db->query("SELECT * FROM user WHERE name='".$_POST['selected']."' ")) {
            while($row = $result->fetch_assoc())    {

                echo $row['name'], '&nbsp;-&nbsp;&nbsp; ';
                echo $row['email'], '&nbsp;-&nbsp;&nbsp; ';
                echo $row['address'], '<br>';

            }
        }else{
            die($db->error);
        }
}
?>
</body>
</html>

echo '<input type="hidden" name="userid" value="'.$row['userID'].'"><br>';

"SELECT * FROM user WHERE id=".$_POST['userid'].""

echo '<input type="hidden" name="userid" value="'.$row['userID'].'"><br>'
echo '<input type="hidden" name="name" value="'.$row['name'].'"><br>'
echo '<input type="hidden" name="email" value="'.$row['email'].'"><br>'
echo '<input type="hidden" name="address" value="'.$row['address'].'"><br>'