diff --git a/f_install/j_create_admin.php b/f_install/j_create_admin.php
index 3c4630e5..57204020 100644
--- a/f_install/j_create_admin.php
+++ b/f_install/j_create_admin.php
@@ -10,9 +10,9 @@ require(__DIR__.'/../f_config/SETTING.php');
 session_start();
 session_destroy();
 
-$username = mb_strtolower(util::array_get($_POST['username']), 'utf-8');
-$password = util::array_get($_POST['password']);
-$nickname = util::array_get($_POST['nickname']);
+$username = mb_strtolower(Util::array_get($_POST['username']), 'utf-8');
+$password = Util::array_get($_POST['password']);
+$nickname = Util::array_get($_POST['nickname']);
 
 if(!$username || !$password || !$nickname){
     Json::die([
diff --git a/f_install/j_setup_db.php b/f_install/j_setup_db.php
index 5189e707..a7b994be 100644
--- a/f_install/j_setup_db.php
+++ b/f_install/j_setup_db.php
@@ -20,12 +20,12 @@ function dbSQLFail($params){
     ]);
 }
 
-$host = util::array_get($_POST['db_host']);
-$port = util::array_get($_POST['db_port']);
-$username = util::array_get($_POST['db_id']);
-$password = util::array_get($_POST['db_pw']);
-$dbName = util::array_get($_POST['db_name']);
-$servHost = util::array_get($_POST['serv_host']);
+$host = Util::array_get($_POST['db_host']);
+$port = Util::array_get($_POST['db_port']);
+$username = Util::array_get($_POST['db_id']);
+$password = Util::array_get($_POST['db_pw']);
+$dbName = Util::array_get($_POST['db_name']);
+$servHost = Util::array_get($_POST['serv_host']);
 
 if(!$host || !$port || !$username || !$password || !$dbName || !$servHost){
     Json::die([
diff --git a/i_entrance/j_server_change_status.php b/i_entrance/j_server_change_status.php
index 06ae2ba6..4ca987a6 100644
--- a/i_entrance/j_server_change_status.php
+++ b/i_entrance/j_server_change_status.php
@@ -16,9 +16,9 @@ function escapeIPv4($ip){
     return str_replace('.', '\\.', $ip);
 }
 
-$action = util::array_get($_POST['action'], '');
-$notice = util::array_get($_POST['notice'], '');
-$server = util::array_get($_POST['server'], '');
+$action = Util::array_get($_POST['action'], '');
+$notice = Util::array_get($_POST['notice'], '');
+$server = Util::array_get($_POST['server'], '');
 
 $db = getRootDB();
 $userGrade = $session->userGrade;
@@ -43,12 +43,12 @@ function doServerModeSet($server, $action, &$response){
         $templates = new \League\Plates\Engine('templates');
 
         //TODO: .htaccess가 서버 오픈에도 사용될 수 있으니 별도의 방법이 필요함
-        $allow_ip = util::get_client_ip(false);
-        if(util::starts_with($allow_ip, '192.168.') ||
-            util::starts_with($allow_ip, '10.'))
+        $allow_ip = Util::get_client_ip(false);
+        if(Util::starts_with($allow_ip, '192.168.') ||
+            Util::starts_with($allow_ip, '10.'))
         {
             //172.16~172.31은 코딩하기 귀찮으니까 안할거다
-            $allow_ip = util::get_client_ip(true);
+            $allow_ip = Util::get_client_ip(true);
         }
 
         $xforward_allow_ip = escapeIPv4($allow_ip);
diff --git a/i_other/help.php b/i_other/help.php
index 1b95c7b1..a17b6f2f 100644
--- a/i_other/help.php
+++ b/i_other/help.php
@@ -4,7 +4,7 @@ namespace sammo;
 require_once('_common.php');
 
 
-$category = util::array_get($_GET['category'], 0);
+$category = Util::array_get($_GET['category'], 0);
 //FIXME: 겨우 category 구분을 위해 php를 써야하는가? JavaScript로 바꾸자
 $images = IMAGES;
 ?>
diff --git a/j_login.php b/j_login.php
index 0304ffe0..73f574b0 100644
--- a/j_login.php
+++ b/j_login.php
@@ -11,8 +11,8 @@ if($session->isLoggedIn()){
     $session->logout();
 }
 
-$username = mb_strtolower(util::array_get($_POST['username']), 'utf-8');
-$password = util::array_get($_POST['password']);
+$username = mb_strtolower(Util::array_get($_POST['username']), 'utf-8');
+$password = Util::array_get($_POST['password']);
 
 if(!$username || !$password){
     Json::die([
diff --git a/oauth_kakao/j_change_pw.php b/oauth_kakao/j_change_pw.php
index 9aa8c2ad..cc6d26a3 100644
--- a/oauth_kakao/j_change_pw.php
+++ b/oauth_kakao/j_change_pw.php
@@ -17,10 +17,10 @@ if(!$session->isLoggedIn()){
     ]);
 }
 $userID = $session->userID;
-$access_token = util::array_get($_SESSION['access_token']);
-$expires = util::array_get($_SESSION['expires']);
-$refresh_token = util::array_get($_SESSION['refresh_token']);
-$refresh_token_expires = util::array_get($_SESSION['refresh_token_expires']);
+$access_token = Util::array_get($_SESSION['access_token']);
+$expires = Util::array_get($_SESSION['expires']);
+$refresh_token = Util::array_get($_SESSION['refresh_token']);
+$refresh_token_expires = Util::array_get($_SESSION['refresh_token_expires']);
 
 if(!$access_token || !$expires){
     Json::die([
@@ -55,7 +55,7 @@ if($expires < $nowDate){
     $access_token = $result['access_token'];
     $expires = TimeUtil::DatetimeFromNowSecond($nowDate, $result['expires_in']);
     if(isset($result['refresh_token'])){
-        $refresh_token = util::array_get($result['refresh_token']);
+        $refresh_token = Util::array_get($result['refresh_token']);
         $refresh_token_expires = TimeUtil::DatetimeFromNowSecond($nowDate, $result['refresh_token_expires_in']);
     }
 }
@@ -85,7 +85,7 @@ $sendResult = $restAPI->talk_to_me_default([
   ],
   "button_title"=> "로그인 페이지 열기"
 ]);
-$sendResult['code'] = util::array_get($sendResult['code'], 0);
+$sendResult['code'] = Util::array_get($sendResult['code'], 0);
 if($sendResult['code'] < 0){
     Json::die([
         'result'=>false,
diff --git a/oauth_kakao/j_check_dup.php b/oauth_kakao/j_check_dup.php
index d0c40458..2cb385d5 100644
--- a/oauth_kakao/j_check_dup.php
+++ b/oauth_kakao/j_check_dup.php
@@ -9,14 +9,14 @@ require('lib.join.php');
 
 session_start();
 
-$access_token = util::array_get($_SESSION['access_token']);
+$access_token = Util::array_get($_SESSION['access_token']);
 if(!$access_token){
     Json::die('로그인 토큰 에러. 다시 로그인을 수행해주세요.');
 }
 
 
-$value = util::array_get($_POST['value']);
-switch(util::array_get($_POST['type'])){
+$value = Util::array_get($_POST['value']);
+switch(Util::array_get($_POST['type'])){
 case 'nickname':
     Json::die(checkNicknameDup($value));
 case 'username':
diff --git a/oauth_kakao/j_join_process.php b/oauth_kakao/j_join_process.php
index 07a5c72f..3834f82e 100644
--- a/oauth_kakao/j_join_process.php
+++ b/oauth_kakao/j_join_process.php
@@ -20,10 +20,10 @@ if($canJoin != 'Y'){
 
 $nowDate = TimeUtil::DatetimeNow();
 
-$access_token = util::array_get($_SESSION['access_token']);
-$expires = util::array_get($_SESSION['expires']);
-$refresh_token = util::array_get($_SESSION['refresh_token']);
-$refresh_token_expires = util::array_get($_SESSION['refresh_token_expires']);
+$access_token = Util::array_get($_SESSION['access_token']);
+$expires = Util::array_get($_SESSION['expires']);
+$refresh_token = Util::array_get($_SESSION['refresh_token']);
+$refresh_token_expires = Util::array_get($_SESSION['refresh_token_expires']);
 if(!$access_token){
     Json::die([
         'result'=>false,
@@ -37,10 +37,10 @@ if($expires < $nowDate && (!$refresh_token || ($refresh_token_expires < $nowDate
         'reason'=>'로그인 토큰 만료.'.$refresh_token_expires.' 다시 카카오로그인을 수행해주세요.'
     ]);
 }
-$secret_agree =util::array_get($_POST['secret_agree']);
-$username = mb_strtolower(util::array_get($_POST['username']), 'utf-8');
-$password = util::array_get($_POST['password']);
-$nickname = util::array_get($_POST['nickname']);
+$secret_agree =Util::array_get($_POST['secret_agree']);
+$username = mb_strtolower(Util::array_get($_POST['username']), 'utf-8');
+$password = Util::array_get($_POST['password']);
+$nickname = Util::array_get($_POST['nickname']);
 
 if(!$username || !$password || !$nickname){
     Json::die([
@@ -98,16 +98,16 @@ if($expires < $nowDate){
     $access_token = $result['access_token'];
     $expires = TimeUtil::DatetimeFromNowSecond($nowDate, $result['expires_in']);
     if(isset($result['refresh_token'])){
-        $refresh_token = util::array_get($result['refresh_token']);
+        $refresh_token = Util::array_get($result['refresh_token']);
         $refresh_token_expires = TimeUtil::DatetimeFromNowSecond($nowDate, $result['refresh_token_expires_in']);
     }
 }
 
 
 $signupResult = $restAPI->signup();
-$kakaoID = util::array_get($signupResult['id']);
+$kakaoID = Util::array_get($signupResult['id']);
 
-if(!$kakaoID && util::array_get($signupResult['msg'])!='already registered'){
+if(!$kakaoID && Util::array_get($signupResult['msg'])!='already registered'){
     Json::die([
         'result'=>false,
         'reason'=>'카카오 로그인 과정 중 앱 연결 절차를 실패했습니다'.json_encode($signupResult)
@@ -115,7 +115,7 @@ if(!$kakaoID && util::array_get($signupResult['msg'])!='already registered'){
 }
 
 $me = $restAPI->meWithEmail();
-$me['code'] = util::array_get($me['code'], 0);
+$me['code'] = Util::array_get($me['code'], 0);
 if ($me['code']< 0) {
     $restAPI->unlink();
     Json::die([
@@ -124,7 +124,7 @@ if ($me['code']< 0) {
     ]);
 }
 
-if(!util::array_get($me['kaccount_email_verified'],false)){
+if(!Util::array_get($me['kaccount_email_verified'],false)){
     $restAPI->unlink();
     Json::die([
         'result'=>false,
diff --git a/oauth_kakao/j_login_oauth.php b/oauth_kakao/j_login_oauth.php
index a9acdf81..532a9686 100644
--- a/oauth_kakao/j_login_oauth.php
+++ b/oauth_kakao/j_login_oauth.php
@@ -24,11 +24,11 @@ if($canLogin != 'Y'){
 
 $nowDate = TimeUtil::DatetimeNow();
 
-$access_token = util::array_get($_SESSION['access_token']);
-$expires = util::array_get($_SESSION['expires']);
-$refresh_token = util::array_get($_SESSION['refresh_token']);
-$refresh_token_expires = util::array_get($_SESSION['refresh_token_expires']);
-$email = util::array_get($_SESSION['kaccount_email']);
+$access_token = Util::array_get($_SESSION['access_token']);
+$expires = Util::array_get($_SESSION['expires']);
+$refresh_token = Util::array_get($_SESSION['refresh_token']);
+$refresh_token_expires = Util::array_get($_SESSION['refresh_token_expires']);
+$email = Util::array_get($_SESSION['kaccount_email']);
 
 
 if(!$access_token || !$expires){
@@ -63,7 +63,7 @@ if($expires < $nowDate){
     $access_token = $result['access_token'];
     $expires = TimeUtil::DatetimeFromNowSecond($nowDate, $result['expires_in']);
     if(isset($result['refresh_token'])){
-        $refresh_token = util::array_get($result['refresh_token']);
+        $refresh_token = Util::array_get($result['refresh_token']);
         $refresh_token_expires = TimeUtil::DatetimeFromNowSecond($nowDate, $result['refresh_token_expires_in']);
     }
 }
@@ -71,7 +71,7 @@ if($expires < $nowDate){
 
 if(!$email){
     $me = $restAPI->meWithEmail();
-    $me['code'] = util::array_get($me['code'], 0);
+    $me['code'] = Util::array_get($me['code'], 0);
     if ($me['code']< 0) {
         Json::die([
             'result'=>false,
@@ -79,7 +79,7 @@ if(!$email){
         ]);
     }
 
-    if(!util::array_get($me['kaccount_email_verified'],false)){
+    if(!Util::array_get($me['kaccount_email_verified'],false)){
         $restAPI->unlink();
         Json::die([
             'result'=>false,
diff --git a/oauth_kakao/join.php b/oauth_kakao/join.php
index cebfb1e4..41b47872 100644
--- a/oauth_kakao/join.php
+++ b/oauth_kakao/join.php
@@ -8,7 +8,7 @@ require_once(__dir__.'/../d_setting/conf.php');
 
 session_start();
 
-$access_token = util::array_get($_SESSION['access_token']);
+$access_token = Util::array_get($_SESSION['access_token']);
 if(!$access_token){
     header('Location:oauth_fail.html');
 }
diff --git a/oauth_kakao/oauth.php b/oauth_kakao/oauth.php
index 0adf542f..f3e31e5c 100644
--- a/oauth_kakao/oauth.php
+++ b/oauth_kakao/oauth.php
@@ -6,7 +6,7 @@ require('_common.php');
 
 use \kakao\Kakao_REST_API_Helper as Kakao_REST_API_Helper;
 
-$auth_code = util::array_get($_GET['code']);
+$auth_code = Util::array_get($_GET['code']);
 if(!$auth_code){
     
     header('Location:oauth_fail.html');
@@ -25,13 +25,13 @@ $result = $restAPI->create_access_token($auth_code);
 
 
 
-if(util::array_get($result['expires_in'], -1) > 0){
+if(Util::array_get($result['expires_in'], -1) > 0){
     session_start();
     $restAPI->set_access_token($result['access_token']);
     $now = TimeUtil::DatetimeNow();
     $_SESSION['access_token'] = $result['access_token'];
     $_SESSION['expires'] = TimeUtil::DatetimeFromSecond($now, $result['expires_in']);
-    $_SESSION['refresh_token'] = util::array_get($result['refresh_token']);
+    $_SESSION['refresh_token'] = Util::array_get($result['refresh_token']);
     $_SESSION['refresh_token_expires'] = TimeUtil::DatetimeFromSecond($now, $result['refresh_token_expires_in']);
 }
 else{
@@ -45,7 +45,7 @@ $me = $restAPI->meWithEmail();
 
 $oauth_mode = 'login';
 
-$me['code'] = util::array_get($me['code'], 0);
+$me['code'] = Util::array_get($me['code'], 0);
 if($me['code']< 0){
     switch($me['msg']){
     case 'NotRegisteredUserException':
diff --git a/src/sammo/Session.php b/src/sammo/Session.php
index 47520065..116c098f 100644
--- a/src/sammo/Session.php
+++ b/src/sammo/Session.php
@@ -50,8 +50,8 @@ class Session {
 
         //첫 등장
 
-        if(!util::array_get($_SESSION['ip'])) {
-            $_SESSION['ip'] = util::get_client_ip(true);
+        if(!Util::array_get($_SESSION['ip'])) {
+            $_SESSION['ip'] = Util::get_client_ip(true);
             $_SESSION['time'] = time();
         }
     }
@@ -90,13 +90,13 @@ class Session {
     }
 
     private function get(string $name){
-        return util::array_get($_SESSION[$name]);
+        return Util::array_get($_SESSION[$name]);
     }
 
     public function login(int $userID, string $userName, int $grade) {
         $this->set('userID', $userID);
         $this->set('userName', $userName);
-        $this->set('ip', util::get_client_ip(true));
+        $this->set('ip', Util::get_client_ip(true));
         $this->set('time', time());
         $this->set('userGrade', $grade);
     }
diff --git a/src/sammo/Util.php b/src/sammo/Util.php
index 1b5e560e..ce2c5f60 100644
--- a/src/sammo/Util.php
+++ b/src/sammo/Util.php
@@ -1,5 +1,5 @@
 <?php
 namespace sammo;
 
-class util extends \utilphp\util{
+class Util extends \utilphp\util{
 };
\ No newline at end of file
diff --git a/tmp_msg/json_result.php b/tmp_msg/json_result.php
index ceccec0f..e48385b2 100644
--- a/tmp_msg/json_result.php
+++ b/tmp_msg/json_result.php
@@ -28,7 +28,7 @@ function relayJson($filepath, $noCache = true, $die = true){
 
 $jsonPost = parseJsonPost();
 
-$reqSequence = toInt(util::array_get($jsonPost['sequence'], 0), true);
+$reqSequence = toInt(Util::array_get($jsonPost['sequence'], 0), true);
 
 if($reqSequence === null){
     $reqSequence = 0;
diff --git a/twe/_simul.php b/twe/_simul.php
index b56f7baf..94f1a1f9 100644
--- a/twe/_simul.php
+++ b/twe/_simul.php
@@ -8,14 +8,14 @@ include "func.php";
 
 //로그인 검사
 
-$isgen = util::array_get($_POST['isgen'], '');
-$tech1 = util::array_get($_POST['tech1'], 0);
-$tech2 =util::array_get($_POST['tech2'], 0);
-$dex10 = util::array_get($_POST['dex10'], 0);
-$dex110 = util::array_get($_POST['dex110'], 0);
-$dex120 = util::array_get($_POST['dex120'], 0);
-$dex130 = util::array_get($_POST['dex130'], 0);
-$dex140 = util::array_get($_POST['dex140'], 0);
+$isgen = Util::array_get($_POST['isgen'], '');
+$tech1 = Util::array_get($_POST['tech1'], 0);
+$tech2 =Util::array_get($_POST['tech2'], 0);
+$dex10 = Util::array_get($_POST['dex10'], 0);
+$dex110 = Util::array_get($_POST['dex110'], 0);
+$dex120 = Util::array_get($_POST['dex120'], 0);
+$dex130 = Util::array_get($_POST['dex130'], 0);
+$dex140 = Util::array_get($_POST['dex140'], 0);
 
 $dx10 = array_fill(0, 20, '');
 $dx110 = array_fill(0, 20, '');
@@ -23,11 +23,11 @@ $dx120 = array_fill(0, 20, '');
 $dx130 = array_fill(0, 20, '');
 $dx140 = array_fill(0, 20, '');
 
-$dex20 = util::array_get($_POST['dex20'], 0);
-$dex210 = util::array_get($_POST['dex210'], 0);
-$dex220 = util::array_get($_POST['dex220'], 0);
-$dex230 = util::array_get($_POST['dex230'], 0);
-$dex240 = util::array_get($_POST['dex240'], 0);
+$dex20 = Util::array_get($_POST['dex20'], 0);
+$dex210 = Util::array_get($_POST['dex210'], 0);
+$dex220 = Util::array_get($_POST['dex220'], 0);
+$dex230 = Util::array_get($_POST['dex230'], 0);
+$dex240 = Util::array_get($_POST['dex240'], 0);
 
 $dx20 = array_fill(0, 20, '');
 $dx210 = array_fill(0, 20, '');
diff --git a/twe/func.php b/twe/func.php
index 5dbd5542..800e9bc1 100644
--- a/twe/func.php
+++ b/twe/func.php
@@ -54,7 +54,7 @@ function getGeneralID($forceExit=false, $countLogin=true){
     }
 
     $idKey = getServPrefix().'p_no';
-    $generalID = util::array_get($_SESSION[$idKey], null);
+    $generalID = Util::array_get($_SESSION[$idKey], null);
 
     if($generalID){
         return $generalID;
@@ -75,7 +75,7 @@ function getGeneralID($forceExit=false, $countLogin=true){
         $query=$db->query("update general set logcnt=logcnt+1 ,ip = %s_ip,lastconnect=%s_lastConnect,conmsg=%s_conmsg where owner= %s_userID",[
             'ip' => getenv("REMOTE_ADDR"),
             'lastConnect' => date('Y-m-d H:i:s'),
-            'conmsg' => util::array_get($_SESSION['conmsg'], ''),
+            'conmsg' => Util::array_get($_SESSION['conmsg'], ''),
             'userID' => $userID
         ]);
         $_SESSION[$idKey] = $generalID;
@@ -102,7 +102,7 @@ function getGeneralName($forceExit=false)
     }
 
     $nameKey = getServPrefix().'p_name';
-    $generalName = util::array_get($_SESSION[$nameKey], null);
+    $generalName = Util::array_get($_SESSION[$nameKey], null);
 
     if($generalName){
         return $generalName;
@@ -1797,7 +1797,7 @@ function increaseRefresh($type="", $cnt=1) {
 
     getDB()->query('UPDATE game set refresh=refresh+%i where `no`=1', $cnt);
 
-    if(!util::array_get($_SESSION['userID'], null)) {
+    if(!Util::array_get($_SESSION['userID'], null)) {
         getDB()->query('UPDATE general set `lastrefresh`=%s_date, `con`=`con`+%i_cnt, `connect`=`connect`+%i_cnt, refcnt=refcnt+%i_cnt, refresh=refresh+%i_cnt where `no`=%i_no',[
             'date'=>$date,
             'cnt'=>$cnt,
diff --git a/twe/func_message.php b/twe/func_message.php
index ded2ee5a..5ce8745e 100644
--- a/twe/func_message.php
+++ b/twe/func_message.php
@@ -116,13 +116,13 @@ function sendRawMessage($msgType, $isSender, $mailbox, $src, $dest, $msg, $date,
     $srcNation = getNationStaticInfo($src['nation_id']);
     $destNation = getNationStaticInfo($dest['nation_id']);
 
-    $src['nation'] = util::array_get($srcNation['name'], '재야');
-    $src['color'] = util::array_get($srcNation['color'], '#ffffff');
+    $src['nation'] = Util::array_get($srcNation['name'], '재야');
+    $src['color'] = Util::array_get($srcNation['color'], '#ffffff');
 
-    $dest['nation'] = util::array_get($destNation['name'], '재야');
-    $dest['color'] = util::array_get($destNation['color'], '#ffffff');
+    $dest['nation'] = Util::array_get($destNation['name'], '재야');
+    $dest['color'] = Util::array_get($destNation['color'], '#ffffff');
 
-    if(!$isSender && $mailBox < 9000 && util::array_get($msgOption['alert'], false)){
+    if(!$isSender && $mailBox < 9000 && Util::array_get($msgOption['alert'], false)){
         //TODO:newmsg보단 lastmsg로 datetime을 넣는게 더 나아보임
         getDB()->update('general', array(
             'newmsg' => true
@@ -207,7 +207,7 @@ function sendScoutMsg($src, $dest, $date) {
     }
 
     $nation = getNationStaticInfo($src['nation_id']);
-    $nationName = util::array_get($nation['name'], '재야');
+    $nationName = Util::array_get($nation['name'], '재야');
 
     if(!$dest || !$dest['id']){
         return false;
@@ -260,7 +260,7 @@ function getMailboxList(){
         $mailbox = $nationID + 9000;
         $nation = $nation['name'];
         $color = ('#'.$nation['color']).replace('##','#');//xxx: #기호 없는 이전 코드 대비용
-        $generals = util::array_get($generalNations[$nationID], []);
+        $generals = Util::array_get($generalNations[$nationID], []);
 
         return [
             "nationID"=>$nationID,
diff --git a/twe/func_process_personnel.php b/twe/func_process_personnel.php
index 0a590108..4a3a218e 100644
--- a/twe/func_process_personnel.php
+++ b/twe/func_process_personnel.php
@@ -44,10 +44,10 @@ function process_22($connect, &$general) {
 
         sendScoutMsg([
             'id' => $general['no'],
-            'nation_id' => util::array_get($general['nation'], 0)
+            'nation_id' => Util::array_get($general['nation'], 0)
         ],[
             'id' => $you['no'],
-            'nation_id' => util::array_get($you['nation'], 0)
+            'nation_id' => Util::array_get($you['nation'], 0)
         ],$date);
 
         $general['intel2']++;
diff --git a/twe/j_get_new_msg.php b/twe/j_get_new_msg.php
index e3d6eac6..b272b06a 100644
--- a/twe/j_get_new_msg.php
+++ b/twe/j_get_new_msg.php
@@ -10,7 +10,7 @@ session_write_close(); // 이제 세션 안 쓴다
 
 $jsonPost = parseJsonPost();
 
-$reqSequence = toInt(util::array_get($jsonPost['sequence'], 0));
+$reqSequence = toInt(Util::array_get($jsonPost['sequence'], 0));
 
 
 $nationID = getDB()->queryFirstField(
diff --git a/twe/j_get_scenario_map.php b/twe/j_get_scenario_map.php
index 0ebfb00c..b009aa32 100644
--- a/twe/j_get_scenario_map.php
+++ b/twe/j_get_scenario_map.php
@@ -12,7 +12,7 @@ if($session->userGrade < 5){
     ]);
 }
 
-$scenarioIdx = toInt(util::array_get($_GET['scenarioIdx']));
+$scenarioIdx = toInt(Util::array_get($_GET['scenarioIdx']));
 
 if($scenarioIdx === null){
     Json::die([
diff --git a/twe/j_msg_decide_opt.php b/twe/j_msg_decide_opt.php
index c6e61b25..384a618f 100644
--- a/twe/j_msg_decide_opt.php
+++ b/twe/j_msg_decide_opt.php
@@ -19,8 +19,8 @@ session_write_close(); // 이제 세션 안 쓴다
 
 $jsonPost = parseJsonPost();
 
-$msgID = toInt(util::array_get($jsonPost['msgID'], null), false);
-$msgResponse = util::array_get($jsonPost['response'], null);
+$msgID = toInt(Util::array_get($jsonPost['msgID'], null), false);
+$msgResponse = Util::array_get($jsonPost['response'], null);
 
 if ($msgID === null || !is_bool($msgResponse)) {
     Json::die([
@@ -60,8 +60,8 @@ if ($validUntil < $date) {
     ]);
 }
 
-$msgOption = json_decode(util::array_get($messageInfo['option'], '{}'));
-$msgAction = util::array_get($msgOption['action'], null);
+$msgOption = json_decode(Util::array_get($messageInfo['option'], '{}'));
+$msgAction = Util::array_get($msgOption['action'], null);
 $messageInfo['option'] = $msgOption;
 
 $msgSrc = json_decode($messageInfo['src']);
diff --git a/twe/j_msgsubmit.php b/twe/j_msgsubmit.php
index 185323ee..6a498ed5 100644
--- a/twe/j_msgsubmit.php
+++ b/twe/j_msgsubmit.php
@@ -120,7 +120,7 @@ if($destMailbox == 9999) {
 
 // 개인 메세지
 } elseif($destMailbox > 0) {
-    $last_msg = new DateTime(util::array_get($_SESSION['last_msg'], '0000-00-00'));
+    $last_msg = new DateTime(Util::array_get($_SESSION['last_msg'], '0000-00-00'));
 
     $msg_interval = $datetime->getTimestamp() - $last_msg->getTimestamp();
     //NOTE: 여기서 유저 레벨을 구별할 코드가 필요할까?
diff --git a/twe/join_post.php b/twe/join_post.php
index 553ae4b4..d721b09c 100644
--- a/twe/join_post.php
+++ b/twe/join_post.php
@@ -8,12 +8,12 @@ include "func.php";
 
 $name       = $_POST['name'];
 $name       = StringUtil::NoSpecialCharacter($name);
-$pic        = util::array_get($_POST['pic'],'');
+$pic        = Util::array_get($_POST['pic'],'');
 $character  = $_POST['character'];
 
-$leader = util::array_get($_POST['leader'], 50);
-$power = util::array_get($_POST['power'], 50);
-$intel = util::array_get($_POST['intel'], 50);
+$leader = Util::array_get($_POST['leader'], 50);
+$power = Util::array_get($_POST['power'], 50);
+$intel = Util::array_get($_POST['intel'], 50);
 
 $mylog = [];
 
diff --git a/twe/lib.php b/twe/lib.php
index 2e528bc9..b0cd8e5d 100644
--- a/twe/lib.php
+++ b/twe/lib.php
@@ -101,7 +101,7 @@ session_cache_limiter('nocache, must_revalidate');//NOTE: 캐시가 가능하도
 session_start();
 
 //첫 등장
-if(!util::array_get($_SESSION['p_ip'], null)) {
+if(!Util::array_get($_SESSION['p_ip'], null)) {
     $_SESSION['p_ip'] = getenv("REMOTE_ADDR");
     $_SESSION['p_time'] = time();
 }
@@ -278,7 +278,7 @@ function dictToArray($dict, $keys){
     $result = [];
 
     foreach($keys as $key){
-        $result[] = util::array_get($dict[$key], null);
+        $result[] = Util::array_get($dict[$key], null);
     }
     return $result;
 }
diff --git a/twe/old/j_old_install.php b/twe/old/j_old_install.php
index ebfc1f88..82c6b4cc 100644
--- a/twe/old/j_old_install.php
+++ b/twe/old/j_old_install.php
@@ -12,10 +12,10 @@ if(Session::getUserGrade(true) < 5){
 if(file_exists("d_setting/conf.php")) error("이미 conf.php가 생성되어 있습니다.<br><br>재설치하려면 해당 파일을 지우세요");
 
 
-$hostname = util::array_get($_POST['hostname'], '');
-$user_id = util::array_get($_POST['user_id'], '');
-$password = util::array_get($_POST['password'], '');
-$dbname = util::array_get($_POST['dbname'], '');
+$hostname = Util::array_get($_POST['hostname'], '');
+$user_id = Util::array_get($_POST['user_id'], '');
+$password = Util::array_get($_POST['password'], '');
+$dbname = Util::array_get($_POST['dbname'], '');
 
 // 호스트네임, 아이디, DB네임, 비밀번호의 공백여부 검사
 if(isBlank($hostname)) Error("HostName을 입력하세요","");
diff --git a/twe/old/j_old_install2.php b/twe/old/j_old_install2.php
index ec343856..8df3d9b0 100644
--- a/twe/old/j_old_install2.php
+++ b/twe/old/j_old_install2.php
@@ -4,13 +4,13 @@ include "func.php";
 
 
 
-$turnterm = util::array_get($_POST['turnterm'],'0');
-$sync = util::array_get($_POST['sync'],'0');
-$scenario = util::array_get($_POST['scenario'],'0');
-$fiction = util::array_get($_POST['fiction'],'0');
-$extend = util::array_get($_POST['extend'],'0');
-$npcmode = util::array_get($_POST['npcmode'],'0');
-$img = util::array_get($_POST['img'],'0');
+$turnterm = Util::array_get($_POST['turnterm'],'0');
+$sync = Util::array_get($_POST['sync'],'0');
+$scenario = Util::array_get($_POST['scenario'],'0');
+$fiction = Util::array_get($_POST['fiction'],'0');
+$extend = Util::array_get($_POST['extend'],'0');
+$npcmode = Util::array_get($_POST['npcmode'],'0');
+$img = Util::array_get($_POST['img'],'0');
 
 if(Session::getUserGrade(true) < 5){
     die('관리자 아님');