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Reply-To: "Steph Fox" <steph@zend.com>
To: "Lukas Smith" <lsmith@php.net>
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Date: Sat, 15 Apr 2006 08:58:45 +0200
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Subject: Re: [PHP-DEV] script upgrading program was Re: [PHP-DEV] Re: Summer of Code
From: steph@zend.com ("Steph Fox")

I wasn't thinking of writing something in PHP... there'd be no way for 
userland code to 'see' half the stuff that needed changing.

Anyway, just a thought.


> Steph Fox wrote:
>> Is it a really stupid idea to suggest a script upgrading program a la 
>> 'autoupdate' (for 4/5 -> 6)?
>>
>> It's something I hoped to tackle myself, but am unlikely to find the time 
>> for.
>
> Well if it works it could solve some issues. Like handling stupid BC 
> breaks (array_merge, class_exists), exploit new features (parsing phpdoc 
> to set PPP) and generally make the code a happy E_STRICT camper.
>
> The potential for breakage is huge though (take the PPP example ..) and 
> also for code library it would mean that users will report all sorts of 
> suprising bugs (unless you test the code in all its variations).
>
> So maybe as a one time migration tool it could make a nice addition to 
> PHP_Compat (implements new functions/constants etc in userland) and 
> PHP_CompatInfo (determines the minimal php version).
>
> regards,
> Lukas
>
> -- 
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