From 8b209856682c3ad9de6aa0675306805c2cbdf635 Mon Sep 17 00:00:00 2001
From: hide_d <hided62@gmail.com>
Date: Fri, 9 Feb 2018 01:31:48 +0900
Subject: [PATCH] =?UTF-8?q?json=5Fencode=EC=8B=9C=20null=EC=9D=84=20?=
 =?UTF-8?q?=EC=97=86=EC=95=A0=EA=B8=B0=20=EC=9C=84=ED=95=9C=20=EC=BD=94?=
 =?UTF-8?q?=EB=93=9C=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 twe/lib.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/twe/lib.php b/twe/lib.php
index 19c96ae0..08d47efe 100644
--- a/twe/lib.php
+++ b/twe/lib.php
@@ -249,6 +249,24 @@ function dictToArray($dict, $keys){
     return $result;
 }
 
+function eraseNullKey(&$dict, $depth=512){
+    //TODO:Test 추가
+    if($depth <= 0){
+        return $dict;
+    }
+
+    foreach ($arr as $key=>$value) {
+        if($value === null){
+            unset($dict[$key]);
+        }
+        else if(is_array($value)){
+            $dict[$key] = eraseNullKey($value, $depth - 1);
+        }
+    }
+
+    return $dict;
+}
+
 function parseJsonPost(){
     // http://thisinterestsme.com/receiving-json-post-data-via-php/
     // http://thisinterestsme.com/php-json-error-handling/