I'm trying to execute this simple function:
function network_admin_check() {
if ( is_network_admin() ) {
echo __( 'You are viewing a WordPress network administration page', 'textdomain' );
} else {
echo __( 'You are not viewing a WordPress network administration page', 'textdomain' );
}
}
add_action( 'admin_init', 'network_admin_check');
Reference: https://developer.wordpress.org/reference/functions/is_network_admin/
It partially works. I want to show a message when I'm in website.com/wp-admin/network/ but it only works on the else condition, example when I'm in a subsite backend like website.com/de/wp-admin it shows the message "You are not viewing a WordPress network administration page".
What I'm doing wrong?