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search criteria from array


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$allies = mysql_query("SELECT num, clan FROM players WHERE clan=$users[clan];");

$market = mysql_query("SELECT * FROM market WHERE time<=$time AND seller=$allies;"); // not sure what to put instead of $allies?


How can I limit the second query to the sellers with the "num"s selected from the first query? I kinda doubt the way I set it up above works.

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You mean "num" is the ID and seller is the ID from the clan/players table?


If so:


SELECT p.num, p.clan, m.*
FROM players AS p
market AS m ON ( m.seller = p.num )
WHERE m.time<=$time AND p.clan=$users[clan]


I'd rename "num"  as player_id and seller as seller_id (or player_id) to make this more obvious.


Also, make sure to quote those literals.

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