How can I use add_menu_page()
functions some variable function ?
add_menu_page('My page','My page','manage_options','my_page', 'func' );
$func = function() {
echo "Done !";
};
I know I can use like
function func() {
echo "Done !";
};
But how can I use like
$func = function() {
echo "Done !";
};
to call it ?