next unless exists $user_by_uid{$uid}->{$host};

##</code><code>##

$href = defined $user_by_uid{$uid} ? $user_by_uid{$uid} : {}; #Fake autoviv
next unless exists $href->{$host};

##</code><code>##

next unless my_fake_exists $user_by_uid{$uid}, $host;