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POPHP SDK + Code Igniter
 

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  1. POPHP SDK + Code Igniter
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    <p>First, I downloaded the Facebook PHP SDK and applied the first answer in here: <a href="https://stackoverflow.com/questions/9454238/using-facebook-php-sdk-3-x-to-register-login-user-with-codeigniter-2-1-0">Using Facebook PHP-SDK 3.x to register/login user with Codeigniter 2.1.0</a></p> <p>In my controller:</p> <ol> <li><p>I try to get the user: $this->facebook->getUser(); .. If it's 0, I call another function $this->facebook_login(); - else I save some data in the database like name for example.</p></li> <li><p>In facebook_login(), a Login Url is generated: $this->facebook->getLoginUrl() - and is passed to the view, which displays it.</p></li> <li><p>So far I click on the login url and it redirects to Facebook, asks for approval and authentication and so on - then redirects me back to the page in "1". </p></li> <li><p>The problem is, getUser is returning zero. I printed the $<em>SESSION variable and found out that only fb</em>{appId}_state is being set.</p></li> </ol> <p>I tried creating another php file (login.php) that is not in the CI folder with the following code:</p> <pre><code>&lt;?php define('BASEPATH', ''); require_once('application/libraries/facebook.php'); $fb = new Facebook(array('appId'=&gt;'...', 'secret'=&gt;'...')); $user = $fb-&gt;getUser(); if($user == 0){ $login = $fb-&gt;getLoginUrl(); echo '&lt;a href="'.$login.'"&gt;Login&lt;/a&gt;'; } else { print_r($fb-&gt;api('/me')); } ?&gt; </code></pre> <p>If I visit login.php then visit the page in "1" above - getUser returns the user id and $_SESSION contains the user details.Therefore, I guess the problem is with CodeIgniter but I am not sure how to solve it.</p> <p>I searched and tried several solutions but that's the best I could do. If possible, I don't want to use the JS SDK.</p> <p>Thank you</p>
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    1. COIn the constructor found in the link at the beginning of the question, add this before loading the facebook library: parse_str( $_SERVER['QUERY_STRING'], $_REQUEST );
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    2. COIs the `cookie_domain` variable set properly to your domain in application/config/config.php?
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      1. USYan Berk
    3. COYes. I figured out the solution and posted it as a comment. Thank you :)
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