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Editorial Team
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Asked: 2026-06-07T23:36:19+00:00

$access_token = $facebook->getAccessToken(); $query = SELECT uid FROM user WHERE uid IN (SELECT uid2

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$access_token = $facebook->getAccessToken();
$query = "SELECT uid FROM user WHERE uid IN (SELECT uid2 FROM friend WHERE uid1=me())";
$query = urlencode($query);
$fql_query_url = 'https://graph.facebook.com/'. 'fql?q='.$query. '&access_token=' .    $access_token;
$fql_query_result = file_get_contents($fql_query_url);
$fql_query_obj = json_decode($fql_query_result, true);

This is the query. It works me faster because I have limited friends. But some app users say that it is very very slow for them if they have about 2000+ friends. They said it took 30 seconds to minutes too.

Why it is very slower? Is there any wrong in this request?

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1 Answer

  1. Editorial Team

    Well, the first thing – as long as you filter users by uid and only select uid after that – the outer query looks redundant. So the final query can be reduced to

    SELECT uid2 FROM friend WHERE uid1=me()

    The second thing: it is a bit more handy to use fb php sdk to perform FQL queries, not file_get_contents, like:

    $facebook->api("/fql?q={$fql}");

    (taken from https://stackoverflow.com/a/7827550/251311)

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