Fix lowercase username in CP & Vantage?
I was able to find one current thread regarding this issue. Samcy provided a code to place in functions.php to fix the issue with only being able to register with lowercase letters in ClassiPress. The code was - remove_action( 'sanitize_user', 'strtolower' ); but there wasn't any specifics as to where it goes. I've placed it in 2 different locations within functions.php...one time the code appeared in my website header, neither time did it fix the issue. Where exactly does it go? Also, will this same code fix the identical issue in Vantage? Where exactly will it need to go in this case?
Thx!