What is the best way to connect to a database in php scripts?

Question

PHP

Some files require database connections, is it worth making persistent connections or is it better to use mysql.php.ini as require_once?

Answer 1

Transferring the creation of a database connection to a separate file is, in principle, a convenient solution.

Answer 2

function with connections and in files where you need to connect to the database, call the function and that's it.

Answer 3

I included! in the files you need. also works on all 100. it is not necessary to keep permanently open DB. You will use the framework in any way. this is inevitable for a php programmer. and oops will be too. evolution...