diff --git a/add/index.php b/add/index.php
index 87a05fa85..82b4a0357 100644
--- a/add/index.php
+++ b/add/index.php
@@ -6,20 +6,24 @@
 $modelList = new modelList();
 $modelTextures = new modelTextures();
 
-$modelList = $modelList->get_list()['models'];
+$modelList = $modelList->get_list();
+$modelList = $modelList['models'];
 
 foreach ($modelList as $modelName) {
-    if (file_exists('../model/'.$modelName.'/textures.cache')) {
+    if (!is_array($modelName) && file_exists('../model/'.$modelName.'/textures.cache')) {
         
         $textures = $texturesNew = array();
-        foreach ($modelTextures->get_list($modelName)['textures'] as $v) $textures[] = json_encode($v, JSON_UNESCAPED_SLASHES);
-        foreach ($modelTextures->get_textures($modelName) as $v) $texturesNew[] = json_encode($v, JSON_UNESCAPED_SLASHES);
+        $modelTexturesList = $modelTextures->get_list($modelName);
+        $modelNameTextures = $modelTextures->get_textures($modelName);
+        if (is_array($modelTexturesList)) foreach ($modelTexturesList['textures'] as $v) $textures[] = str_replace('\/', '/', json_encode($v));
+        if (is_array($modelNameTextures)) foreach ($modelNameTextures as $v) $texturesNew[] = str_replace('\/', '/', json_encode($v));
         
-        if ($textures == NULL) continue; elseif (empty(array_diff($texturesNew, $textures))) {
+        $texturesDiff = array_diff($texturesNew, $textures);
+        if (empty($textures)) continue; elseif (empty($texturesDiff)) {
             echo '<p>'.$modelName.' / textures.cache / No Update.</p>'; 
         } else {
             foreach (array_values(array_unique(array_merge($textures, $texturesNew))) as $v) $texturesMerge[] = json_decode($v, 1);
-            file_put_contents('../model/'.$modelName.'/textures.cache', json_encode($texturesMerge, JSON_UNESCAPED_SLASHES));
+            file_put_contents('../model/'.$modelName.'/textures.cache', str_replace('\/', '/', json_encode($texturesMerge)));
             echo '<p>'.$modelName.' / textures.cache / Updated.</p>';
         }
         
diff --git a/get/index.php b/get/index.php
index a09b4a211..741c05b69 100644
--- a/get/index.php
+++ b/get/index.php
@@ -3,9 +3,11 @@
 
 require '../tools/modelList.php';
 require '../tools/modelTextures.php';
+require '../tools/jsonCompatible.php';
 
 $modelList = new modelList();
 $modelTextures = new modelTextures();
+$jsonCompatible = new jsonCompatible();
 
 $id = explode('-', $id);
 $modelId = (int)$id[0];
@@ -49,4 +51,4 @@
 }
 
 header("Content-type: application/json");
-echo json_encode($json, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+echo $jsonCompatible->json_encode($json);
diff --git a/rand/index.php b/rand/index.php
index e89f73e9f..5d7f2e7b7 100644
--- a/rand/index.php
+++ b/rand/index.php
@@ -2,8 +2,10 @@
 isset($_GET['id']) ? $modelId = (int)$_GET['id'] : exit('error');
 
 require '../tools/modelList.php';
+require '../tools/jsonCompatible.php';
 
 $modelList = new modelList();
+$jsonCompatible = new jsonCompatible();
 
 $modelList = $modelList->get_list();
 
@@ -14,8 +16,8 @@
 }
 
 header("Content-type: application/json");
-echo json_encode(array('model' => array(
+echo $jsonCompatible->json_encode(array('model' => array(
     'id' => $modelRandId,
     'name' => $modelList['models'][$modelRandId-1],
     'message' => $modelList['messages'][$modelRandId-1]
-)), JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+)));
diff --git a/rand_textures/index.php b/rand_textures/index.php
index d2978f39d..3123f01aa 100644
--- a/rand_textures/index.php
+++ b/rand_textures/index.php
@@ -3,16 +3,18 @@
 
 require '../tools/modelList.php';
 require '../tools/modelTextures.php';
+require '../tools/jsonCompatible.php';
 
 $modelList = new modelList();
 $modelTextures = new modelTextures();
+$jsonCompatible = new jsonCompatible();
 
 $id = explode('-', $id);
 $modelId = (int)$id[0];
 $modelTexturesId = isset($id[1]) ? (int)$id[1] : false;
 
 $modelName = $modelList->id_to_name($modelId);
-$modelTexturesList = is_array($modelName) ? ['textures' => $modelName] : $modelTextures->get_list($modelName);
+$modelTexturesList = is_array($modelName) ? array('textures' => $modelName) : $modelTextures->get_list($modelName);
 
 if (count($modelTexturesList['textures']) <= 1) {
     $modelTexturesNewId = 1;
@@ -26,8 +28,8 @@
 }
 
 header("Content-type: application/json");
-echo json_encode(array('textures' => array(
+echo $jsonCompatible->json_encode(array('textures' => array(
     'id' => $modelTexturesNewId,
     'name' => $modelTexturesList['textures'][$modelTexturesNewId-1],
     'model' => is_array($modelName) ? $modelName[$modelTexturesNewId-1] : $modelName
-)), JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+)));
diff --git a/switch/index.php b/switch/index.php
index 8105693aa..5c3334de5 100644
--- a/switch/index.php
+++ b/switch/index.php
@@ -2,16 +2,18 @@
 isset($_GET['id']) ? $modelId = (int)$_GET['id'] : exit('error');
 
 require '../tools/modelList.php';
+require '../tools/jsonCompatible.php';
 
 $modelList = new modelList();
+$jsonCompatible = new jsonCompatible();
 
 $modelList = $modelList->get_list();
 $modelSwitchId = $modelId + 1;
 if (!isset($modelList['models'][$modelSwitchId-1])) $modelSwitchId = 1;
 
 header("Content-type: application/json");
-echo json_encode(array('model' => array(
+echo $jsonCompatible->json_encode(array('model' => array(
     'id' => $modelSwitchId,
     'name' => $modelList['models'][$modelSwitchId-1],
     'message' => $modelList['messages'][$modelSwitchId-1]
-)), JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+)));
diff --git a/switch_textures/index.php b/switch_textures/index.php
index 0c29000a3..371a0bd10 100644
--- a/switch_textures/index.php
+++ b/switch_textures/index.php
@@ -3,22 +3,24 @@
 
 require '../tools/modelList.php';
 require '../tools/modelTextures.php';
+require '../tools/jsonCompatible.php';
 
 $modelList = new modelList();
 $modelTextures = new modelTextures();
+$jsonCompatible = new jsonCompatible();
 
 $id = explode('-', $id);
 $modelId = (int)$id[0];
 $modelTexturesId = isset($id[1]) ? (int)$id[1] : 0;
 
 $modelName = $modelList->id_to_name($modelId);
-$modelTexturesList = is_array($modelName) ? ['textures' => $modelName] : $modelTextures->get_list($modelName);
+$modelTexturesList = is_array($modelName) ? array('textures' => $modelName) : $modelTextures->get_list($modelName);
 $modelTexturesNewId = $modelTexturesId == 0 ? 2 : $modelTexturesId + 1;
 if (!isset($modelTexturesList['textures'][$modelTexturesNewId-1])) $modelTexturesNewId = 1;
 
 header("Content-type: application/json");
-echo json_encode(array('textures' => array(
+echo $jsonCompatible->json_encode(array('textures' => array(
     'id' => $modelTexturesNewId,
     'name' => $modelTexturesList['textures'][$modelTexturesNewId-1],
     'model' => is_array($modelName) ? $modelName[$modelTexturesNewId-1] : $modelName
-)), JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+)));
diff --git a/tools/jsonCompatible.php b/tools/jsonCompatible.php
new file mode 100644
index 000000000..792bc38e1
--- /dev/null
+++ b/tools/jsonCompatible.php
@@ -0,0 +1,49 @@
+<?php class jsonCompatible {
+    public function json_encode($json) {
+        if (version_compare(PHP_VERSION,'5.4.0','<')) {
+            $json = json_encode($json);
+            $json = str_replace('\/', '/', $json);
+            $json = preg_replace_callback("/\\\u([0-9a-f]{4})/i", array($this,'json_preg_replace'), $json);
+            return $this->json_pretty_print($json, '    ');
+        } else return json_encode($json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+    }
+    
+    protected function json_preg_replace($matchs) {
+        return iconv('UCS-2BE', 'UTF-8', pack('H4', $matchs[1]));
+    }
+    
+    protected function json_pretty_print($json, $indent = "\t") {
+        $result = '';
+        $indentCount = 0;
+        $inString = false;
+        $len = strlen($json);
+        for ($c = 0; $c < $len; $c++) {
+            $char = $json[$c];
+            if ($char === '{' || $char === '[') {
+                if (!$inString) {
+                    $indentCount++;
+                    if ($char === '[' && $json[$c+1]  == "]") $result .= $char . PHP_EOL;
+                    elseif ($char === '{' && $json[$c+1]  == "}") $result .= $char . PHP_EOL;
+                    else $result .= $char . PHP_EOL . str_repeat($indent, $indentCount);
+                } else $result .= $char;
+            } elseif ($char === '}' || $char === ']') {
+                if (!$inString) {
+                    $indentCount--;
+                    $result .= PHP_EOL . str_repeat($indent, $indentCount) . $char;
+                } else $result .= $char;
+            } elseif ($char === ',') {
+                if (!$inString) $result .= ',' . PHP_EOL . str_repeat($indent, $indentCount);
+                else $result .= $char;
+            } elseif ($char === ':') {
+                if (!$inString) $result .= ': ';
+                else $result .= $char;
+            } elseif ($char === '"') {
+                if (($c > 0 && $json[$c - 1] !== '\\') || ($c > 1 && $json[$c - 2].$json[$c - 1] === '\\\\')) $inString = !$inString;
+                $result .= $char;
+            } else {
+                $result .= $char;
+            }
+        }
+        return $result;
+    }
+}
diff --git a/tools/modelTextures.php b/tools/modelTextures.php
index 0e8900701..b9066b5cc 100644
--- a/tools/modelTextures.php
+++ b/tools/modelTextures.php
@@ -12,7 +12,7 @@ function get_list($modelName) {
             $textures = json_decode(file_get_contents('../model/'.$modelName.'/textures.cache'), true);
         } else {
             $textures = self::get_textures($modelName);
-            file_put_contents('../model/'.$modelName.'/textures.cache', json_encode($textures, JSON_UNESCAPED_SLASHES));
+            if (!empty($textures)) file_put_contents('../model/'.$modelName.'/textures.cache', str_replace('\/', '/', json_encode($textures)));
         } return isset($textures) ? array('textures' => $textures) : false;
     }
     
@@ -24,13 +24,13 @@ function get_textures($modelName) {
                     $tmp3 = array(); foreach (glob('../model/'.$modelName.'/'.$textures_dir.'/*') as $n => $m)
                         $tmp3['merge'.$n] = str_replace('../model/'.$modelName.'/', '', $m);
                 $tmp2 = array_merge_recursive($tmp2, $tmp3);   }
-                foreach ($tmp2 as $v4) $tmp4[$k][] = json_encode($v4, JSON_UNESCAPED_SLASHES);
+                foreach ($tmp2 as $v4) $tmp4[$k][] = str_replace('\/', '/', json_encode($v4));
                 $tmp = self::array_exhaustive($tmp, $tmp4[$k]);                                                                    }
             foreach ($tmp as $v) $textures[] = json_decode('['.$v.']', 1); return $textures;
         } else {
             foreach (glob('../model/'.$modelName.'/textures/*') as $v)
                 $textures[] = str_replace('../model/'.$modelName.'/', '', $v);
-            return $textures;
+            return empty($textures) ? null : $textures;
         }
     }