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Difference between smart_str and smart_string

php.internals

Ryan McCullagh

8 years ago

Hello internals,

I have been browsing php-src and notice smart_string, and smart_str, each with their header files. Why is there two seemingly identical structures with the same name?

--
Ryan McCullagh
ryanmccullagh.com

Sara Golemon

8 years ago

On Thu, Jan 25, 2018 at 10:50 PM, Ryan McCullagh <me@ryanmccullagh.com> wrote:

> I have been browsing php-src and notice smart_string, and smart_str, each with their header files. Why is there two seemingly identical structures with the same name?
>

smart_string targets a raw char* buffer, smart_str targets a
refcountable zend_string*.
You'll almost always want the latter, except when you don't.

-Sara