Huh... Maybe I haven't done anything too complicated in WP, but I didn't find it bad. Worst case I use a dedicated PHP page and MySQL. But in reality I think I

Huh... Maybe I haven't done anything too complicated in WP, but I didn't find it bad. Worst case I use a dedicated PHP page and MySQL. But in reality I think I usually put my code in functions.php(?) And it works fine.