统计行数

通常,尽量避免在循环内进行查询.相反,加入表格.

$sql = "SELECT SUM(xb_end_range) AS punten
    FROM club AS c
    JOIN players_db AS p ON c.speler_id = p.id
    WHERE c.user_id = $userid";
$result = mysql_query($sql);
$row = mysql_fetch_assoc($result);
$punten = $row['punten'];
echo $punten;