pass parameters with @_ instead of shift

website/agenda/planung/user-selected-event.cgi

@@ -67,9 +67,7 @@ sub get_value_fields {
 }
 
 sub log_event_selection {
-    my $config  = shift;
-    my $request = shift;
-    my $user    = shift;
+    my ($config, $request, $user) = @_;
 
     my $params      = $request->{params}->{checked};
     my $permissions = $request->{permissions};