+sub call_sub {
+ $lxdebug->enter_sub();
+
+ my $name = shift;
+
+ if (!$name) {
+ $form->error($locale->text("Trying to call a sub without a name"));
+ }
+
+ $name =~ s/[^a-zA-Z0-9_]//g;
+
+ if (!defined(&{ $name })) {
+ $form->error(sprintf($locale->text("Attempt to call an undefined sub named '%s'"), $name));
+ }
+
+ &{ $name }(@_);
+
+ $lxdebug->leave_sub();
+}
+