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Date: Sun, 8 Sep 2019 16:03:06 +0200
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To: PHP Internals List <internals@lists.php.net>
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Subject: Re: Preloading experiments with Symfony
From: nicolas.grekas+php@gmail.com (Nicolas Grekas)

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Hello,

I didn't get any response to my email from June 17th, yet I think this is
pretty critical, see below.
I did not manage to make preloading with Symfony yet, see
https://bugs.php.net/78512 also?
Thanks for considering, the behavior is unexpected to me, as it deviates
from common behavior.

I opened https://bugs.php.net/bug.php?id=78169 but were asked to raise the
> point on the list:
>
> When opcache.preload is used, requiring twice a file that declares a
> preloaded class will not yield any error, while when preloading is not
> used, one will get a cannot redeclare error.
>
> On the other side, when require_once is used, a preloaded class file is
> not considered "already loaded", which means the require happens during
> execution.
>
> Would it make sense to change both these behaviors to make them more in
> line with normal engine behavior? i.e. "require_once" on a file that was
> already preloaded wouldn't require it again,
> and "require" on a preloaded file that contains a class declaration would
> yield a "cannot redeclare" fatal error?
>
> This would be more expected to me.
> Would it be possible?
>
> Thanks,
> Nicolas
>

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