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From Geoffrey Young <ge...@modperlcookbook.org>
Subject Re: $r->dir_config->(un)set issue...
Date Thu, 01 Aug 2002 14:35:30 GMT

> 
> The following pices of code do not work:
> 
> -----------------------------------------------------
> code sample 1
> --------------
> 
> 1.  sub handler {
> 2.    my $r = instance Apache::Request(shift);
> 3. 
> 4.    $r->dir_config(MyVar => undef);
> 5.   
> 6.    $r->dir_config->unset("MyVar");
> 7.
> 8.    $r->dir_config->set(MyVar => undef);
> 9.
> 10. }
>   
> 
> None of lines 4, 6 or 8 actually unset the variable. 


did you try $r->server->dir_config->unset("MyVar") as well?

the dir_config table is a bit strange, since it merges per-server and 
per-directory configurations at runtime - from what I remember when 
playing with this last time, if you remove it from the per-dir config 
but you set it on a per-server config (which sounds like what you are 
doing) it will be perpetually re-populated on access to the per-dir 
config.  so, you may need to wipe both dir_config tables clean in 
order to really unset the variable from your handler.

HTH

--Geoff


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