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From Michael B Allen <>
Subject Re: PHP Extension Deinitializing on Startup
Date Fri, 20 Apr 2007 18:30:57 GMT
On Fri, 20 Apr 2007 11:08:15 -0600
Joe Lewis <> wrote:

> Michael B Allen wrote:
> > Hi Saju,
> >
> > Actually I'm not sure this is my problem. I have tested my PHP extension
> > on numerous platforms and I have only ever seen the PHP extension
> > initialization / deinitialization routines run once for each restart.
> >
> > Is the "load -> unload -> load" behavior you describe something new that
> > Apache just started doing?
> >   
> Apache has been doing that for eons. But apache does it to the apache 
> extensions, while PHP would do it to the PHP extensions. I really expect 
> that you should be working with the PHP lists rather than here from the 
> original posting. (See for one that 
> might fit your needs).
> Saju is absolutely correct - when a module is loaded by apache, a hook 
> called post_config() is called twice (for checking the config file first 
> that the syntax is okay, and then for the actual configuration), but I'm 
> not sure if the .so is free()d from memory during that process. I always 
> thought that it did not actually reload the .so (correct me if I am wrong).
> Forcing an extension to "deinitialize" in PHP because of an issue in 
> Apache would cause every extension in PHP to "deinitialize", not just 
> one of them. I expect the issue to be in the php extension itself (or 
> php, but that is unlikely).

Ok, thanks Joe.

I have been asking about this on the PHP list. I'm trying to work
all angles.


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