したがって、必要なのはJOIN
のペアです。 s(暗黙的にINNER JOIN
)users
に対して 、1つはフォロワーに参加し、もう1つはフォローに参加します。
SELECT
/* Rather than SELECT * you need to be specific about the columns, and
give them aliases like followed_name since you have 2 tables with the same
column names in the query */
ufollower.id AS follower_id,
ufollower.username AS follower_name,
ufollowed.id AS followed_id,
ufollowed.username AS followed_name
FROM
/* JOIN twice against users, once to get the follower and once to get the followed */
user_follow
/* users aliased as ufollower to get the follower details */
JOIN users ufollower ON ufollower.id = user_follow.follower
/* users aliased as ufollowed to get the followed details */
JOIN users ufollowed ON ufollowed.id = user_follow.followed
WHERE
user_follow.follower = $p_id
ループでは、名前はfollower_name, followed_name
で使用できます。 。
while($apple = mysql_fetch_array($following)){
// Be sure to wrap the name in htmlspecialchars() to encode characters that could break html.
// This has the followed id in the href and the followed name in the link text...
echo '<a href="'.$apple['followed_id'].'">+'.htmlspecialchars($apple['followed_name']) .'</a> ';
}