[Решено] Have language switcher as select and not ul li

Background of the issue:
I want to convert the ul li language switcher into a select one if it is possible and add it in the site's footer using php/html.

Symptoms:
No specific issue or error message mentioned.

Questions:
Is it possible to convert the ul li language switcher into a select one?
Can I add the select language switcher in the site's footer using php/html?