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Need Help With Query Logic

php mysql

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#1 Mohammedmehdi



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Posted 18 October 2013 - 05:36 PM

Hello :D
2 tables
- users (userid, username)
- friends (friendshipid, user1, user2, accepted)
I have a friends search box (works like google's/facebook's auto suggest). 
This search box is meant to be used to pick a friend to send a private message to.
So far, all my code can do is autosuggest people on the social network (basically display all people on the users table based on the characters typed).


 $query=mysql_query("SELECT userid, username FROM users where username like '%".$term."%'");

                    'value'=> $friend["username"]

 echo json_encode($json);

I wanted it to filter out those who are not friends.
BTW,  just to clarify, the logged in user who wants to send a private message, his userid could be on either user1/user2 of the friends table.
Any idea behind the logic that could sort this issue?
Will really appreciate any help :)

#2 Barand


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Posted 18 October 2013 - 06:57 PM


$sql = "SELECT u.userid, u.username
    FROM users u
    JOIN friends f ON u.userid = f.user1
    WHERE f.user2 = $loggedinuser AND u.username LIKE '%$term%'
    SELECT u.userid, u.username
    FROM users u
    JOIN friends f ON u.userid = f.user2
    WHERE f.user1 = $loggedinuser AND u.username LIKE '%$term%'
    ORDER BY username";

If you are still using mysql_ functions, STOP! Use mysqli_ or PDO. The longer you leave it the more you will have to rewrite.


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