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Date: Sun, 11 May 2008 06:08:02 -0400
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To: Pierre Joye <pierre.php@gmail.com>
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Subject: Re: [PHP-DEV] Creating one extension version: how?
From: hsantos@isdg.net (Hector Santos)

Pierre Joye wrote:
> Hi,
> 
> On Sun, May 11, 2008 at 8:04 AM, Hector Santos <hsantos@isdg.net> wrote:
>> How can you prepare my new extension source code and/or links so that the
>> DLL can support all the PHP 5.x.x versions?
> 
> You can't. But you can have one source version which can be built
> against all PHP versions.
> 
>>  I have been trying to figure this out, reading/googling, etc, but in the
>> mean time what I had to do was recompile the extension for all PHP releases,
>> 5.04, 5.10, 5.12, 5.25 and now 5.26 and provide each one for users to select
>> during installation of the extension.
> 
> The rules are relatively simple, each minor (5.1.x, 5.2.x, 5.3.x)
> upgrade breaks binary compatibility. That means you will have to
> rebuild your extension to get it work with a given version. So the way
> you choosed now is the right one. Please note that you aslo need one
> for debug and non debug version.

Ok, but I would swear I was able to use older 5.x.x 3rd party extensions 
that still work with each 5.x.x revision.  Was that just Luck?  For one 
package, I spoke with the author because of a bug I found and he 
indicated he had to plans to update his package but I was welcome to do 
it.  I got the source and noticed no real difference in the extension 
basic framework.  But nonetheless, the older extension did worked with 
newer v5.x.x installations I have so I figure it was possible.  No PHP 
version mismatch loading error which is what I get.

-- 
Hector Santos