From a82f517563d4abaf10324640317a5f671e4f6b61 Mon Sep 17 00:00:00 2001
From: Adam H <adamz01h@gmail.com>
Date: Mon, 11 Aug 2025 22:53:46 -0400
Subject: [PATCH] Fixed issues Deprecated: rawurlencode():  with $issuer. $out
 and $secret not being set before the return.

---
 src/TOTP.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/TOTP.php b/src/TOTP.php
index 5b9f5da..05981c7 100644
--- a/src/TOTP.php
+++ b/src/TOTP.php
@@ -34,6 +34,7 @@ public function setAlgorithm($algorithm = 'sha1')
 
     public static function base32Decode($in)
     {
+        $out = '';
         if (empty($in)) {
             return '';
         }
@@ -108,6 +109,7 @@ public function get($digits = 6, $period = 30, $offset = null, $now = null)
 
     public static function genSecret($length = 32)
     {
+        $secret = '';
         if ($length < 16 || 0 != $length % 8) {
             throw new \Exception('length must >= 16 || %8==0');
         }
@@ -131,8 +133,11 @@ public function uri($account, $digits = null, $period = null, $issuer = null)
         if (false !== mb_strpos($account.$issuer, ':')) {
             throw new \Exception('cannot have colon in account / issuer');
         }
+       
         $account = rawurlencode($account);
-        $issuer = rawurlencode($issuer);
+        if($issuer){
+            $issuer = rawurlencode($issuer);
+        }
         $label = empty($issuer) ? $account : "{$issuer}:{$account}";
 
         return 'otpauth://totp/'.$label."?secret={$secret}".