How to define the main page in Wordpress?

Question

WordPress

I want to display my landing page on the main page, but it is not part of the theme. Therefore, I want to do this: using php, determine whether this is the main page, if so, then I display my page, if not, then everything is according to the script. Tell me how to implement?

Answer 1

If I'm not mistaken, then there are 2 functions, 1 of them is_home(), 2 is_front_page(), well, as far as I can remember, I always used 1
Example:

if( is_home() ){
   // код
}

In general, there is a list of all these functions, keep