public static function toJSON($userID) { $realName = Zotero_Users::getRealName($userID); $json = ['id' => $userID, 'username' => Zotero_Users::getUsername($userID), 'name' => $realName !== false ? $realName : ""]; $json['links'] = ['alternate' => ['href' => Zotero_URI::getUserURI($userID, true), 'type' => 'text/html']]; return $json; }