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Date: Sat, 30 Nov 2013 12:37:38 +0000
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To: Nikita Popov <nikita.ppv@gmail.com>
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Subject: Re: [PHP-DEV] RFC: phpdbg
From: ellison.terry@gmail.com (Terry Ellison)

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On 30/11/13 10:41, Nikita Popov wrote:
> Independently from phpdbg, is there any particular (technical) reason that
> prevents (zend?) extensions from registering SAPIs? Could we add something
> for that to work?

Nikita, if you think about it the SAPI contains main() -- or the 
respective shared library master entry point, and acts as the calling / 
callback framework for the Zend environment.  To make the SAPI an 
extension would require inverting this PHP Zend architecture so that 
there is some sort of general minimal wrapper which can then layer in an 
additional personality by loading in some shared library from some 
context.  However, this wouldn't be a Zend or PHP extension as we know 
it.  This would involve a lot of work.

Thinking off the top of my head, what we could possibly do would be to 
hook some of the standard entries in the CLI SAPI so that a SAPI-aware 
extension could insert itself into this chain and modify the behaviour 
of the standard CLI (or potentially other) SAPIs. This approach could 
allow phpdbg to be a Zend Extension "skin" on the standard CLI.

Regards Terry


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