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POBatching up, sending, and receiving a large number of Facebook Graph API calls
 

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  1. POBatching up, sending, and receiving a large number of Facebook Graph API calls
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    <p>I'm trying to use the Graph API and the PHP+JS SDK to get a person's friend list, and then go out and get the mutual friends for everyone on the friend list. I can get the friend list easy-peasy as it's just one simple API call. However, the problem arises when trying to get all the mutual friends. Assuming a person has 500 friends, that's 501 different API calls to run the app once, which is way too many. </p> <p>Fine.</p> <p>Next idea. Batch up all those API calls and turn 501 into 25. It seemed like a good idea, and that's what I did. Unfortunately, it didn't work. Here's what my code:</p> <p><strong>KK NVM, I FIXED IT (MOSTLY). IT STILL RUNS REALLY SLOW THOUGH. HERE'S THE NEW CODE:</strong></p> <pre><code>$userFriends = $facebook-&gt;api('/me/friends', 'GET'); $queries = array(); $mutual_friends = array(); foreach ($userFriends[data] as $v1) { $queries[] = array('method' =&gt; 'GET', 'relative_url' =&gt; '/me/mutualfriends/'.$v1[id]); if (count($queries)==20){ $batchResponse = $facebook-&gt;api('?batch='.json_encode($queries), 'POST'); foreach (range(0,count($queries)-1) as $n) { $mutual_friend[] = json_decode($batchResponse[$n]['body'], true); } $queries = array(); } $batchResponse = $facebook-&gt;api('?batch='.json_encode($queries), 'POST'); foreach (range(0,count($queries)-1) as $n) { $mutual_friend[] = json_decode($batchResponse[$n]['body'], true); } } </code></pre> <p>I have the sneaking suspicion that you're not really supposed to batch API calls like this, but I could be wrong. Also, I've read that FQL is actually a better, preferred method for getting this kind/amount of information, but that would mean that I'd need access to the other people's friend list as well. </p> <p>The only other solution I can think of would be to throttle the calls, but I don't really want to do that cause I don't want the app to run slowly or have a significant wait period. </p> <p>Is what I'm trying to do even possible? Am I going about it in the wrong way? Any input or expertise would be greatly appreciated. </p>
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    1. USTyler Shambora
    1. USTyler Shambora
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    1. COSee this answer: http://stackoverflow.com/questions/4281210/facebook-mutual-friends-and-fql-4999-5000-record-limit
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      1. USWolfram Arnold
 

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