X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/459706908311101286dadb87a2f12afbf4192bbb..refs/pull/3391/head:/app/Auth/Access/Mfa/BackupCodeService.php

diff --git a/app/Auth/Access/Mfa/BackupCodeService.php b/app/Auth/Access/Mfa/BackupCodeService.php
index 6fbbf64b5..d58d28ae1 100644
--- a/app/Auth/Access/Mfa/BackupCodeService.php
+++ b/app/Auth/Access/Mfa/BackupCodeService.php
@@ -29,25 +29,21 @@ class BackupCodeService
     {
         $cleanCode = $this->cleanInputCode($code);
         $codes = json_decode($codeSet);
+
         return in_array($cleanCode, $codes);
     }
 
     /**
      * Remove the given input code from the given available options.
-     * Will return null if no codes remain otherwise will be a JSON string to contain
-     * the codes.
+     * Will return a JSON string containing the codes.
      */
-    public function removeInputCodeFromSet(string $code, string $codeSet): ?string
+    public function removeInputCodeFromSet(string $code, string $codeSet): string
     {
         $cleanCode = $this->cleanInputCode($code);
         $codes = json_decode($codeSet);
         $pos = array_search($cleanCode, $codes, true);
         array_splice($codes, $pos, 1);
 
-        if (count($codes) === 0) {
-            return null;
-        }
-
         return json_encode($codes);
     }
 
@@ -63,4 +59,4 @@ class BackupCodeService
     {
         return strtolower(str_replace(' ', '-', trim($code)));
     }
-}
\ No newline at end of file
+}