diff --git a/config/function.php b/config/function.php
index 3580c8c..1a8bbd2 100644
--- a/config/function.php
+++ b/config/function.php
@@ -3,122 +3,133 @@
  * Copyright (c) 2023. Wepesi.
  */
 
-use Wepesi\Core\I18n;
-use Wepesi\Core\Session;
-
-/**
- * @param string $dir
- * @return array
- */
-function getSubDirectories(string $dir): array
-{
-    $subDir = [];
-    $directories = array_filter(glob($dir), 'is_dir');
-    $subDir = array_merge($subDir, $directories);
-    foreach ($directories as $directory) $subDir = array_merge($subDir, getSubDirectories($directory . '/*'));
-    return $subDir;
+if (! function_exists('getSubDirectories')) {
+    /**
+     * @param string $dir
+     * @return array
+     */
+    function getSubDirectories(string $dir): array
+    {
+        $subDir = [];
+        $directories = array_filter(glob($dir), 'is_dir');
+        $subDir = array_merge($subDir, $directories);
+        foreach ($directories as $directory) $subDir = array_merge($subDir, getSubDirectories($directory . '/*'));
+        return $subDir;
+    }
 }
 
-/**
- * @param $class
- * @return false|mixed|string
- */
-function extractNamespace($class)
-{
-    $class_arr = explode("\\", $class);
-    return end($class_arr);
+if (! function_exists('extractNamespace')) {
+    /**
+     * @param $class
+     * @return mixed|string
+     */
+    function extractNamespace($class)
+    {
+        $class_arr = explode("\\", $class);
+        return end($class_arr);
+    }
 }
 
-/**
- * @param $fileName
- * @return mixed|string
- */
-function checkFileExtension($fileName)
-{
-    $file_parts = pathinfo($fileName);
-    return (isset($file_parts['extension']) && $file_parts['extension'] == 'php') ? $fileName : $fileName . '.php';
+if (! function_exists('checkFileExtension')) {
+    /**
+     * @param $fileName
+     * @return string
+     */
+    function checkFileExtension($fileName): string
+    {
+        $file_parts = pathinfo($fileName);
+        return (isset($file_parts['extension']) && $file_parts['extension'] == 'php') ? $fileName : $fileName . '.php';
+    }
 }
 
-/**
- * @param array $exclude_folder
- * @return void
- */
-function autoIndexFolder(array $exclude_folder = [])
-{
-    $app_root = appDirSeparator(dirname(__DIR__));
-
-    // define folder to be excluded to not be affected by the process.
-    $exclude = ['vendor', 'test'];
-    if (count($exclude_folder)) $exclude = array_merge($exclude, $exclude_folder);
-    $implode = implode('|', $exclude);
-    $folder_struct = getSubDirectories($app_root);
-
-    $filter = array_filter($folder_struct, function ($folder_name) use ($implode) {
-        $pattern = "/$implode/i";
-        if (!preg_match($pattern, strtolower(trim($folder_name)))) {
-            return $folder_name;
+if (! function_exists('autoIndexFolder')) {
+    /**
+     * @param array $exclude_folder
+     * @return void
+     */
+    function autoIndexFolder(array $exclude_folder = [])
+    {
+        $app_root = appDirSeparator(dirname(__DIR__));
+        // check if cache directory exists before processing
+        $cash_file_dir = appDirSeparator($app_root . '/cache');
+        if (!file_exists($cash_file_dir)) {
+            mkdir($cash_file_dir, 0777, true);
         }
-    });
-    if (!checkCacheContent($filter,$app_root)) {
-        foreach ($filter as $subFolder) {
-            if (!is_file($subFolder . '/index.php')) {
-                copy(__DIR__ . '/index.php', $subFolder . '/index.php');
+        // define exclude folder to not be affected by the situation.
+        $exclude = ['vendor', 'test'];
+        if (count($exclude_folder)) $exclude = array_merge($exclude, $exclude_folder);
+        $implode = implode('|', $exclude);
+        $folder_struct = getSubDirectories($app_root);
+        $filter = array_filter($folder_struct, function ($folder_name) use ($implode) {
+            $pattern = "/$implode/i";
+            if (!preg_match($pattern, strtolower(trim($folder_name)))) {
+                return $folder_name;
+            }
+        });
+
+        if (!checkCacheContent($cash_file_dir, $filter)) {
+            foreach ($filter as $subFolder) {
+                if (!is_file($subFolder . '/index.php')) {
+                    copy(__DIR__ . '/index.php', $subFolder . '/index.php');
+                }
             }
         }
     }
 }
 
-/**
- * check content from cache file
- * @param array $filter
- * @param string $app_root
- * @return bool
- */
-function checkCacheContent(array $filter,string $app_root): bool
-{
-    $status = true;
-    // check if cache directory exists before processing
-    $cash_file_dir = appDirSeparator($app_root . '/cache');
-    if (!file_exists($cash_file_dir)) {
-        mkdir($cash_file_dir, 0777, true);
-    }
-    $cash_file_path = appDirSeparator($cash_file_dir . '/index_folder');
-
-    if (!file_exists($cash_file_path)){
-        file_put_contents($cash_file_path, var_export($filter, true));
-    } else {
-        $old_content = file_get_contents($cash_file_path);
-        if (json_encode($old_content, true) != json_encode($filter, true)) {
-            file_put_contents($cash_file_path, var_export($filter, true));
+if (! function_exists('checkCacheContent')){
+    /**
+     * @param string $cash_file_dir
+     * @param array $filter
+     * @return bool
+     */
+    function checkCacheContent(string $cash_file_dir, array $filter): bool
+    {
+        $status = true;
+        $cash_file_path = appDirSeparator($cash_file_dir . '/index_folder.txt');
+        sort($filter);
+        $file_content = json_encode($filter, true);
+        $cache_file = fOpen($cash_file_path, 'a+');
+        if (!is_file($cash_file_path) || filesize($cash_file_path) < 1) {
+            fwrite($cache_file, $file_content);
         } else {
-            $status = false;
+            $content = fread($cache_file, filesize($cash_file_path));
+            if ($content != $file_content) {
+                $cache_file = fOpen($cash_file_path, 'w');
+                fwrite($cache_file, $file_content);
+            } else {
+                $status = false;
+            }
         }
+        fclose($cache_file);
+        return $status;
     }
-    return $status;
 }
 
-/**
- * @param string $path
- * @return string
- */
-function appDirSeparator(string $path): string
-{
-    $new_path = $path;
-    if ((substr(PHP_OS, 0, 3)) === 'WIN') $new_path = str_replace("\\", '/', $path);
-    return $new_path;
+if (! function_exists('appDirSeparator')) {
+    /**
+     * @param string $path
+     * @return string
+     */
+    function appDirSeparator(string $path):string{
+        $new_path = $path;
+        if ((substr(PHP_OS, 0, 3)) === 'WIN') $new_path = str_replace("\\", '/', $path);
+        return $new_path;
+    }
 }
 
-/**
- * translate your text
- * @param string $message
- * @param string|array    $value
- * @return string
- */
-function tra(string $message, $value = null): string
-{
-    $i18n = new i18n(Session::get('lang'));
-    $translate_value = !is_array($value) ? [$value] : $value;
-    return $i18n->translate($message, $translate_value);
+if (! function_exists('dumper')) {
+    /**
+     * @param $ex
+     * @return void
+     */
+    function dumper($ex)
+    {
+        print('<pre>');
+        print_r($ex);
+        print('</pre>');
+        exit();
+    }
 }
 
 /**
@@ -128,4 +139,42 @@ function tra(string $message, $value = null): string
  */
 function route_path(string $path): string{
     return WEB_ROOT . ltrim($path,'/');
+}
+
+if (! function_exists('fileExists')) {
+    /**
+     * Validate if the file exists, and in some case create it
+     * @param string $filename Path to the file or directory. to check files on network shares.
+     * @param bool $create if the file does not exist, create it
+     * @return bool
+     */
+    function fileExists(string $filename, bool $create): bool
+    {
+        if (! is_file($filename) && !file_exists($filename)){
+            if ($create) {
+                return (bool) file_put_contents($filename, var_export('',true));
+            }
+            return false;
+        }
+        return true;
+    }
+}
+
+if (! function_exists('directoryExists')) {
+    /**
+     * Validate if the file exists, and in some case create it
+     * @param string $filename Path to the file or directory. to check files on network shares.
+     * @param bool $create if the file does not exist, create it
+     * @return bool
+     */
+    function directoryExists(string $filename, bool $create): bool
+    {
+        if (! file_exists($filename)){
+            if ($create) {
+                return (bool) mkdir($filename,0777,true);
+            }
+            return false;
+        }
+        return true;
+    }
 }
\ No newline at end of file