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POFacebook - Publish Checkins using PHP SDK/JavaScript SDK
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  1. POFacebook - Publish Checkins using PHP SDK/JavaScript SDK
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    copied!<p>I'm trying to publish checkin using Facebook Graph API. I've gone through <a href="http://developers.facebook.com/docs/reference/api/user/" rel="nofollow">Facebook API documentation (checkins)</a> and also have the <code>publish_checkins</code> permission. However, my checkin is not getting published. May I know is there anything wrong or am I missing anything else? Thank you for your time :)</p> <p><strong>fbmain.php</strong></p> <pre><code>$user = $facebook-&gt;getUser(); $access_token = $facebook-&gt;getAccessToken(); // Session based API call if ($user) { try { $me = $facebook-&gt;api('/me'); if($me) { $_SESSION['fbID'] = $me['id']; $uid = $me['id']; } } catch (FacebookApiException $e) { error_log($e); } } else { echo "&lt;script type='text/javascript'&gt;top.location.href='$loginUrl';&lt;/script&gt;"; exit; } $loginUrl = $facebook-&gt;getLoginUrl( array( 'redirect_uri' =&gt; $redirect_url, 'scope' =&gt; status_update, publish_stream, publish_checkins, user_checkins, user_location, user_status' ) ); </code></pre> <p><strong>main.php - Using PHP SDK</strong> (Wrong SDK used in this example, should use JavaScript SDK instead)</p> <pre><code>&lt;?php include_once "fbmain.php"; if (!isset($_POST['latitude']) &amp;&amp; !isset($_POST['longitude'])) { ?&gt; &lt;html&gt; &lt;head&gt; //ajax POST of latitude and longitude &lt;/head&gt; &lt;body&gt; &lt;input type="button" value="Check In!" onclick="checkin();"/&gt;&lt;/span&gt; &lt;/body&gt; &lt;/html&gt; &lt;?php } else { ?&gt; &lt;script type="text/javascript"&gt; function checkin() { try { $tryCatch = $facebook-&gt;api('/'.$uid.'/checkins', 'POST', array( 'access_token' =&gt; $facebook-&gt;getAccessToken(), 'place' =&gt; '165122993538708', 'message' =&gt;'MESSAGE_HERE', 'coordinates' =&gt; json_encode(array( 'latitude' =&gt; '1.3019399200902', 'longitude' =&gt; '103.84067653695' )) )); } catch(FacebookApiException $e) { $tryCatch=$e-&gt;getMessage(); } return $tryCatch; } &lt;/script&gt; &lt;?php } ?&gt; </code></pre> <p><strong>Question solved - Things to take note when publishing checkin</strong></p> <ul> <li>Make sure <code>publish_checkins</code> permission is granted.</li> <li>Must use <code>json_encode()</code> to encode <code>coordinates</code> parameter for PHP SDK.</li> <li><code>place</code> and <code>coordinates</code> parameters are compulsory.</li> <li>A re-authentication is required if you have just added <code>publish_checkins</code> permission to your existing list of allowed permissions.</li> </ul>
 

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