diff --git a/app/controllers/api/functions.php b/app/controllers/api/functions.php
index 1dcb9d106..abb266ebe 100644
--- a/app/controllers/api/functions.php
+++ b/app/controllers/api/functions.php
@@ -441,7 +441,7 @@ App::post('/v1/functions/:functionId/tags')
         $file = $request->getFiles('code');
         $device = Storage::getDevice('functions');
         $fileExt = new FileExt([FileExt::TYPE_GZIP]);
-        $fileSize = new FileSize(App::getEnv('_APP_STORAGE_LIMIT', 0));
+        $fileSizeValidator = new FileSize(App::getEnv('_APP_STORAGE_LIMIT', 0));
         $upload = new Upload();
 
         if (empty($file)) {
@@ -451,7 +451,7 @@ App::post('/v1/functions/:functionId/tags')
         // Make sure we handle a single file and multiple files the same way
         $fileName = (\is_array($file['name']) && isset($file['name'][0])) ? $file['name'][0] : $file['name'];
         $fileTmpName = (\is_array($file['tmp_name']) && isset($file['tmp_name'][0])) ? $file['tmp_name'][0] : $file['tmp_name'];
-        $size = (\is_array($file['size']) && isset($file['size'][0])) ? $file['size'][0] : $file['size'];
+        $fileSize = (\is_array($file['size']) && isset($file['size'][0])) ? $file['size'][0] : $file['size'];
 
         if (!$fileExt->isValid($file['name'])) { // Check if file type is allowed
             throw new Exception('File type not allowed', 400);
@@ -465,23 +465,23 @@ App::post('/v1/functions/:functionId/tags')
         if (!empty($contentRange)) {
             $start = $request->getContentRangeStart();
             $end = $request->getContentRangeEnd();
-            $size = $request->getContentRangeSize();
+            $fileSize = $request->getContentRangeSize();
             $tagId = $request->getHeader('x-appwrite-id', $tagId);
-            if(is_null($start) || is_null($end) || is_null($size)) {
+            if(is_null($start) || is_null($end) || is_null($fileSize)) {
                 throw new Exception('Invalid content-range header', 400);
             }
 
-            if ($end == $size) {
+            if ($end == $fileSize) {
                 //if it's a last chunks the chunk size might differ, so we set the $chunks and $chunk to notify it's last chunk
                 $chunks = $chunk = -1;
             } else {
                 // Calculate total number of chunks based on the chunk size i.e ($rangeEnd - $rangeStart)
-                $chunks = (int) ceil($size / ($end + 1 - $start));
+                $chunks = (int) ceil($fileSize / ($end + 1 - $start));
                 $chunk = (int) ($start / ($end + 1 - $start)) + 1;
             }
         }
 
-        if (!$fileSize->isValid($size)) { // Check if file size is exceeding allowed limit
+        if (!$fileSizeValidator->isValid($fileSize)) { // Check if file size is exceeding allowed limit
             throw new Exception('File size not allowed', 400);
         }
 
@@ -490,7 +490,7 @@ App::post('/v1/functions/:functionId/tags')
         }
 
         // Save to storage
-        $size ??= Storage::getDevice('self')->getFileSize($fileTmpName);
+        $fileSize ??= Storage::getDevice('self')->getFileSize($fileTmpName);
         $path = $device->getPath($tagId.'.'.\pathinfo($fileName, PATHINFO_EXTENSION));
         
         $tag = $dbForInternal->getDocument('tags', $tagId);
@@ -509,7 +509,7 @@ App::post('/v1/functions/:functionId/tags')
         }
         
         if($chunksUploaded == $chunks) {
-            $size = $device->getFileSize($path);
+            $fileSize = $device->getFileSize($path);
 
             if ($tag->isEmpty()) {
                 $tag = $dbForInternal->createDocument('tags', new Document([
@@ -520,11 +520,11 @@ App::post('/v1/functions/:functionId/tags')
                     'dateCreated' => time(),
                     'command' => $command,
                     'path' => $path,
-                    'size' => $size,
+                    'size' => $fileSize,
                     'search' => implode(' ', [$tagId, $command]),
                 ]));
             } else {
-                $tag = $dbForInternal->updateDocument('tags', $tagId, $tag->setAttribute('size', $size));
+                $tag = $dbForInternal->updateDocument('tags', $tagId, $tag->setAttribute('size', $fileSize));
             }
         } else {
             if($tag->isEmpty()) {