From cdfb8894b999fc8aa6bf01e66c45ee0785101b13 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Wed, 1 Aug 2018 19:42:00 +0200
Subject: [PATCH] Add encoding change function

---
 System/File/FileUtils.php | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/System/File/FileUtils.php b/System/File/FileUtils.php
index 9b044fe8b..d7b35825d 100644
--- a/System/File/FileUtils.php
+++ b/System/File/FileUtils.php
@@ -117,4 +117,23 @@ final class FileUtils
 
         return \realpath($origPath);
     }
+
+    /**
+     * Change encoding of file
+     *
+     * @param string $file     Path to file which should be re-encoded
+     * @param string $encoding New file encoding
+     *
+     * @return void
+     *
+     * @since  1.0.0
+     */
+    public static function changeFileEncoding(string $file, string $encoding) : void
+    {
+        $content = \file_get_contents($file);
+
+        if ($content !== false && preg_match('!!u', $content)) {
+            \file_put_contents($file, \mb_convert_encoding($content, 'UTF-8', mb_list_encodings()));
+        }
+    }
 }