How to use a WordPress’ existing admin icon?
add_menu_page(); as far as I can tell does not work with screen_icon or the default CSS parameters. The $icon paramater only takes 2 options, an url or div (well 3 if you leave it empty), so that leaves you with these options: Hard-code the link to the icons which are located in wp-includes/images/wpicons.png. This is … Read more