php - get facebook user gender using facebook graph api -


i made code display user's friends , name,id , profile pic of friend. problem gender of friend , made code below first code .but not seems work works in case of getting gender information . 

 function displayusersicons($criteria) { $users = $criteria['users']; $nb_display = $criteria['nb_display']; $width = $criteria['width']; echo 'data'.$gen = $criteria['gen'];   if($width=='') $width="200";  if($nb_display>count($users) || $nb_display=='') $nb_display=count($users); //display value never bigger nb users  $display = ''; for($i=0;$i<$nb_display;$i++) {      $name = $users[$i]['name'];     $picture = $users[$i]['picture'];     $url = $users[$i]['url'];     $user_id = $users[$i]['id'];     $cookie = self::$cookie;     if($cookie['access_token']!='') {     $url = 'https://graph.facebook.com/'.$name.'?access_token='.$cookie['access_token'];     //echo '<a href="'.$url.'" target="_blank">'.$url.'</a><br>';     $data = json_decode($this->getdatafromurl($url));      $fb['gender'] = $data->gender;      $gender=$fb;            $display .= '<li class="mispan main-span" gen="'.$gender.'" data="'.$user_id.'" unme="'.$name.'" upic="'.$picture.'">';         $display .= '<div class="thumbnail">';         $display .= '<h3 class="miheader">'.$name.'</h3>';     $display .= '<a href="'.$url.'" target="_blank" title="'.$name.'">';     $display .= '<div class="miprofile-pic-cnt" style="background-image:url('.$picture.')" ></div>';     $display .= '</a>';     $display .= '<div class="caption" style="text-align:center;">';     $display .= '<p><a href="#" class="btn kssico miclickks"><img src="iconos/lips.png" /></a> <a href="#" class="btn bdico miclickbd"><img src="iconos/bed.png" /></a></p>';     $display .= '</div>';     $display .= '</div>';     $display .= '</li>';                } return $display;

}

the code friends gender 

$cookie = self::$cookie; if($cookie['access_token']!='') { $url = 'https://graph.facebook.com/'.$name.'?access_token='.$cookie['access_token']; //echo '<a href="'.$url.'" target="_blank">'.$url.'</a><br>'; $data = json_decode($this->getdatafromurl($url));  $fb['gender'] = $data->gender;  $gender=$fb; 

http://graph.facebook.com/<facebook_id>?fields=gender

fields=gender gives gender given facebook id.


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