ini_get('mbstring.func_overload') & 1 raises a warning.

[ivantcholakov]

PHP 7.3.33

PHPMailer,php, line 861:

if (ini_get('mbstring.func_overload') & 1) {

PHPMailer/src/PHPMailer.php

Line 861 in e7bd0d1

if (ini_get('mbstring.func_overload') & 1) {

Raises a warning "A non-numeric value encountered" and contaminates my log-file.

A proposed change:

if ((int) ini_get('mbstring.func_overload') & 1) {

[Synchro]

Thanks. That's fixed, will be in next release.