[ticket/16932] Ensure special characters are encoded for ASCII in emails

PHPBB3-16932
This commit is contained in:
Marc Alexander 2022-06-27 22:36:25 +02:00
parent fc83f213d5
commit 064a96ec07
No known key found for this signature in database
GPG key ID: 50E0D2423696F995

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@ -1882,7 +1882,7 @@ function mail_encode($str, $eol = "\r\n")
{
$encoded_char = $is_quoted_printable
? $char = preg_replace_callback(
'/[=_\?\x20\x00-\x1F\x80-\xFF]/',
'/[()<>@,;:\\\\".\[\]=_?\x20\x00-\x1F\x80-\xFF]/',
function ($matches)
{
$hex = dechex(ord($matches[0]));