We're not going to add configuration options which change the language's 
behavior!
We've said this a million times.

Andi

At 09:41 PM 6/15/2002 +0200, Magnus M wrote:
>What about a configuration option in php.ini
>use_case_sensitive = 0|1
>and let it be 0 as default ?
>
>
>On Sat, 15 Jun 2002 22:25:18 +0300
>Andi Gutmans <[EMAIL PROTECTED]> wrote:
>
> > Ilia,
> >
> > I remember now the problem you're talking about. It has been discussed 
> here
> > in the past and I don't recall us having found a good solution. Basically
> > we need a solution which is backwards compatible but will allow "TEST" and
> > "test" to co-exist if case sensitivity was chosen for them.
> > It's something to think about and not create a quick 2 line patch for the
> > problem. I think one of the suggestions was using two hash tables. First
> > doing a case-sensitive lookup and only if the constant isn't found doing a
> > case-insensitive lookup.
> >
> > Andi
> >
> > At 03:40 PM 6/15/2002 -0400, Ilia A. wrote:
> > >Andi,
> > >
> > >Yes, you are correct in that respect, my patch would accomplish just that.
> > >No where in PHP documentation does it say that you cannot have TEST 
> and test
> > >defines in the same script. Unless you specifically tell the define()
> > >function to treat the define as case insensitive.
> > >Because the defines are always lowercased unless the defines for i18n 
> systems
> > >are always declared in lower case any define with a letter 'I' for example
> > >would break on a system using most non English locales. This is a VERY
> > >serious problems, for example consider the reversal of the htmlenteties()
> > >function. The following code:
> > >get_html_translation_table (HTML_ENTITIES);
> > >will break if a ru_UI or tr_TR or any other number of non-English 
> locales are
> > >exported.
> > >
> > >In addition because all locales are lower cased defines suffer large
> > >performance degradation when compared to other variables because 
> another copy
> > >of the define name needs to be allocated and then lower cased every single
> > >time a define is declared or retrieved.
> > >
> > >As far as I know, php variables are always case sensitive and there is 
> now
> > >way
> > >to make them not, why an exception was made for defines I do not know,
> > >especially when you consider that in C and C++ defines are ALWAYS case
> > >sensitive. IMHO this is a very bad feature, that not only implements 
> useless
> > >functionality but actually causes PHP code to break.
> > >Therefor, I humbly ask that you reconsider your position on this issue.
> > >
> > >
> > >Ilia
> > >
> > >
> > >On June 15, 2002 03:03 pm, you wrote:
> > > > Ilia,
> > > >
> > > > Your patch basically makes PHP constants case sensitive.
> > > > Changing this is a very big backwards compatibility problem.
> > > > You're not supposed to register two define's with the same letters but
> > > > different case.
> > > >
> > > > Andi
> > > >
> > > > At 01:21 PM 6/15/2002 -0400, Ilia A. wrote:
> > > > >Hello,
> > > > >
> > > > >While developing software in PHP that supports i18n I've come across
> > > > > several problems that affect defines made in PHP.
> > > > >The first problem is that when a define is declared and its name 
> contains
> > > > >upper case characters such as I, the define becomes unusable if a 
> locale,
> > > > >which does not support those chracters is exported, such as tr_TR or
> > > > > ru_IU. Bug Report at: http://bugs.php.net/bug.php?id=16865
> > > > >
> > > > >There is a problem with case sensetivity of defines, for example, 
> if you
> > > > >create a case sensetive define 'TEST' and then a case sensetive define
> > > > >'test', the latter define's value will be lost.
> > > > >Bug Report at: http://bugs.php.net/?id=17658
> > > > >
> > > > >The problem occurs because zend internally (zend_constants.c) seems to
> > > > > always lowecase the define before it is fetched/added to the hash 
> table
> > > > > of defines. This causes problem for i18n because the define is 
> lowercased
> > > > > using c's tolower function, which is affected by locale settings. 
> Because
> > > > > it is stored as lower case, having 2 defines with the same name 
> but in
> > > > > different case also becomes impossible to do.
> > > > >
> > > > >Attached is a patch against zend_constants.c CVS revision 1.38 
> that fixes
> > > > >both
> > > > >of these bugs, I hope the developers would consider adding this 
> patch to
> > > > > the CVS.
> > > > >
> > > > >Ilia
> > > > >--
> > > > >PHP Development Mailing List <http://www.php.net/>
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> >
> >
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> >
> >
>
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