How to customize files from shortcodes in Wordpress?

Question

WordPress

I made a directory in the child theme, put the file there, changed it ... it doesn’t take it, it uses the old one.

Answer 1

WP only overwrites files when they are included in the parent theme via get_stylesheet_directory(), and not via get_template_directory()
It might make more sense for shortcodes to unregister it and then re-register with your function.

remove_shortcode('shortcode');
add_shortcode('shortcode', 'child_theme_func');