Back to my original question, my site is still coming up with a non SEO friendly redirect.
I tried adding
<?
Header( "HTTP/1.1 301 Moved Permanently" );
Header( "Location: https://thefullpint.com/main" );
?>
to the top of my index.php file, and it didn’t work. Do I have to delete all other contents of the index.php file before doing it?