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POUpload image with facebook API
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  1. POUpload image with facebook API
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    copied!<p>Question: How to upload an image from my webserver to facebook via FB API?</p> <p>I'm writing an application that retrieves images from the user's photo album, makes some modifications (e.g. adding a watermark) then send it back to photo album.</p> <p>The code I use to upload the photo is as follows</p> <pre><code>&lt;?php include_once("api/facebook.php"); include_once("config.php"); include_once("utils.php"); include_once("bemyfans.php"); $facebook=new Facebook($api_key,$app_secret); $facebook-&gt;require_frame(); $user=$facebook-&gt;require_login(); echo "&lt;p&gt;Hello &lt;fb:name useyou='false' uid=\"$user\"/&gt;&lt;/p&gt;"; $args = array( 'api_key' =&gt; $api_key, 'call_id'=&gt;microtime(true), 'v'=&gt;'1.0', 'format' =&gt; 'JSON' ); $args['Lenna.png']="@/home/thoai/htdocs/apps/bemyfans/Lenna.png"; signRequest($args,$secret); $ch = curl_init(); $url = 'http://api.facebook.com/restserver.php?method=photos.upload'; curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $args); if ($data = curl_exec($ch)) echo "done"; echo $data; function signRequest(&amp;$args, $secret){ ksort($args); $sig = ''; foreach($args as $k =&gt; $v){ $sig .= $k . '=' . $v; } $sig .= $secret; $args['sig'] = md5($sig); } ?&gt; </code></pre> <p>It just doesn't work. More specifically, I keep getting an "Incorrect signature" message.</p> <p>What's wrong with the code???</p>
 

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