// Get 100 interest recommendations from Directed Edge
$de = new DirectedEdgeRest();
$item = "user".$uid;
$limit = 100;
$tags = "interest";
$recommendedInterests = $de->getRecommended($item, $tags, $limit);

$recommendedInterestsCount = count($recommendedInterests);


// Get 100 question recommendations from Directed Edge
$de = new DirectedEdgeRest();
$item = "user".$uid;
$limit = 100;
$tags = "question";
$recommendedQuestions = $de->getRecommended($item, $tags, $limit);

$recommendedQuestionsCount = count($recommendedQuestions);