PHP FacebookAPI::scope示例

 public static function getPermissions()
 {
     global $wgEnableEmail, $wgFbUserRightsFromGroup, $wgFbOpenGraph, $wgFbOpenGraphRegisteredActions;
     if (self::$scope === NULL) {
         $scope = array();
         if (!empty($wgEnableEmail)) {
             $scope[] = 'email';
         }
         if (!empty($wgFbUserRightsFromGroup)) {
             $scope[] = 'user_groups';
         }
         if (!empty($wgFbOpenGraph) && !empty($wgFbOpenGraphRegisteredActions)) {
             $scope[] = 'publish_actions';
         }
         wfRunHooks('FacebookPermissions', array(&$scope));
         self::$scope = $scope;
     }
     return implode(',', self::$scope);
 }