<?php
        if(!isset($_SESSION["productSelected"]))
        {
?>
        <b>No item(s) in basket!</b>
<?php
        }
        else{
        $conn = pg_connect("host=db.dcs.aber.ac.uk port=5432 dbname=teaching user=csguest password=rohishe");
?>
<table border='1'> <tr><th>ID#</th><th>Title</th><th>Platform</th><th>Description</th><th>Price (&pound;)</th><th>User</th></tr>
<?php
// begin debugging products //
echo '<pre>' . print_r($_SESSION['productSelected']) . '</pre>';
//end debugging products //

        foreach($_SESSION["productSelected"] as $id){
        $res = pg_query ($conn, "select * from CSGames WHERE refnumber='$id' order by refnumber");
        while ($row = pg_fetch_row($res))
        {
//debug each row returned //
echo '<pre>' . print_r($row) . '</pre>';
//end debugging each row returned //

            echo "<tr>";

            for ($j = 0; $j < pg_num_fields($res); $j++)
            {

                echo "<td>" . $row[$j]  . "</td>";
            }
            echo "</tr>";

        }

//are you 100% sure this is correct?
//I'm pretty sure that pg_fetch_row returns a standard array (indexed with numbers)
//rather than with names
//Don't you have to use pg_fetch_assoc to retrieve items as an associative array?
//also, you've used numbers up there ^^ in the forloop, which makes me think this is the issue
        $total += $row['price'];

        }
?>
</table>
<!--</form>-->
<form action='clearBasket.php' method='post'>
<p><input type='submit' value='Clear Basket' /></p>
        </form>
<?php
        }
?>