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Date: Fri, 15 Feb 2008 13:25:42 +0300
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Subject: Re: [PHP-DEV] [RFC] Conditional INI support
From: dmitry@zend.com (Dmitry Stogov)

#if defined(PHP_MAJOR_VERSION) && PHP_MAJOR_VERSION >= 6
extension="unicode.so"
#endif

Here PHP_MAJOR_VERSION is a PHP constant that is not defined in php-5.3 
but might be defined in the future version.

Dmitry.


Jani Taskinen wrote:
> On Fri, 2008-02-15 at 13:02 +0300, Dmitry Stogov wrote:
>> Jani Taskinen wrote:
>>>> c) We can use just "value" insted of ${value} in conditions.
>>> Yup. ${foobar} is actually not any "variable" per se, but just a
>>> reference to existing ini entry in the file. And I don't think that
>>> needs to change.
>> Oh, I see. Then we can use just "$string" (or "$str.str") for ini 
>> entries and "string" for PHP constants. We can also implement defined() 
>> macro-function, to check if constant defined.
> 
> Why? Don't make php.ini parsing any more complex than it already
> is(n't). 
> 
> Any string which can pass as constant will have that constant's (or
> environment variable) value. Why do you need any "variable" in there
> anyway? And why do you need defined() ??? (examples please? :)
> 
> --Jani
>