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PO
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Id
6159564
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0
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CreationDate
2011-05-28T04:02:38.227
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2011-05-31T04:35:23.700
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2011-05-31T04:35:23.700
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511123
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511123
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4608713
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2
Score
23
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0
LastEditorDisplayName
text
Body
<p>With the Facebook PHP SDK v3 (<a href="https://github.com/facebook/php-sdk" rel="noreferrer">see on github</a>), it is pretty simple to ask and use a user offline access token. Here is how you do that.</p> <h1>Get the offline access token</h1> <p>First you check if the user is logged in or not :</p> <pre><code>require "facebook.php"; $facebook = new Facebook(array( 'appId' => YOUR_APP_ID, 'secret' => YOUR_APP_SECRET, )); $user = $facebook->getUser(); if ($user) { try { $user_profile = $facebook->api('/me'); } catch (FacebookApiException $e) { $user = null; } } </code></pre> <p>If he is not, you generate the "Login with Facebook" URL asking for the <code>offline_access</code> permission :</p> <pre><code>if (!$user) { $args['scope'] = 'offline_access'; $loginUrl = $facebook->getLoginUrl($args); } </code></pre> <p>And then display the link in your template :</p> <pre><code><?php if (!$user): ?> <a href="<?php echo $loginUrl ?>">Login with Facebook</a> <?php endif ?> </code></pre> <p>Then, when the user is logged in, you can retrieve the offline access token and store it. To get it, call :</p> <pre><code>if ($user) { $token = $facebook->getAccessToken(); // store token } </code></pre> <h1>Use the offline access token</h1> <p>To use the offline access token when the user is not logged in :</p> <pre><code>require "facebook.php"; $facebook = new Facebook(array( 'appId' => YOUR_APP_ID, 'secret' => YOUR_APP_SECRET, )); $facebook->setAccessToken("..."); </code></pre> <p>And now you can make API calls for this user :</p> <pre><code>$user_profile = $facebook->api('/me'); </code></pre> <p>Hope that helps !</p>
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