From 4ae3168ebc5ef2b6cbbac493fbe485aaa7353a02 Mon Sep 17 00:00:00 2001
From: Robert Kaiser <kairo@kairo.at>
Date: Sun, 9 Feb 2020 22:13:29 +0100
Subject: [PATCH 1/1] don't use curly braces for string index access

---
 classes/email.php-class | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/classes/email.php-class b/classes/email.php-class
index 4f35aa2..3bbb5e9 100644
--- a/classes/email.php-class
+++ b/classes/email.php-class
@@ -252,7 +252,7 @@ class email {
     if (count($this->attachments)) {
       // create random boundary, 20 chars, always beginning with KaiRo ;-)
       $boundary = 'KaiRo';
-      for ($i = 1; $i <= 15; $i++)	{
+      for ($i = 1; $i <= 15; $i++) {
         $r = rand(0, 61);
         if ($r < 10) { $boundary .= chr($r + 48); }
         elseif ($r < 36) { $boundary .= chr($r + 55); }
@@ -373,7 +373,7 @@ class email {
       // encode x09,x20 at lineends
       {
         $iLength = strlen($sLine);
-        $iLastChar = ord($sLine{$iLength-1});
+        $iLastChar = ord($sLine[$iLength-1]);
 
         //              !!!!!!!!
         // imap_8_bit does not encode x20 at the very end of a text,
@@ -383,7 +383,7 @@ class email {
         if (!($bEmulate_imap_8bit && ($i==count($aLines)-1)))
 
         if (($iLastChar==0x09)||($iLastChar==0x20)) {
-          $sLine{$iLength-1}='=';
+          $sLine[$iLength-1]='=';
           $sLine .= ($iLastChar==0x09)?'09':'20';
         }
       }    // imap_8bit encodes x20 before chr(13), too
-- 
2.35.3