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package FormValidator; use strict; ... $conf{$app_id} = $conf if defined $conf; return bless $conf{$app_id}, $class; }
#first application $ENV{APP_ID} = 'APP_1'; ... my $obj_2 = FormValidator->new({foo=>'BAZ'},'APP_2'); my obj = FormValidator->new(); print $$obj{foo};#prints 'BAZ'