twitter: Better detection if a picture is posted.
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@ -451,8 +451,16 @@ function twitter_shortenmsg($b) {
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while (strpos($msg, " ") !== false)
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$msg = str_replace(" ", " ", $msg);
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if ($image == $orig_link)
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return(array("msg"=>trim($msg), "image"=>$image));
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// Looking if the link points to an image
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$img_str = fetch_url($orig_link);
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$tempfile = tempnam(get_config("system","temppath"), "cache");
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file_put_contents($tempfile, $img_str);
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$mime = image_type_to_mime_type(exif_imagetype($tempfile));
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unlink($tempfile);
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if (($image == $orig_link) OR (substr($mime, 0, 6) == "image/"))
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return(array("msg"=>trim($msg), "image"=>$orig_link));
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else
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return(array("msg"=>trim($msg."\n".$orig_link), "image"=>""));
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}
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