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Date: Tue, 4 Feb 2014 06:31:30 +0900
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To: Lester Caine <lester@lsces.co.uk>
Cc: PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=089e0122797aa50fd204f187414f
Subject: Re: [PHP-DEV] Declare minimum PHP version required?
From: yohgaki@ohgaki.net (Yasuo Ohgaki)

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Content-Type: text/plain; charset=UTF-8

Hi Lester,

On Tue, Feb 4, 2014 at 6:22 AM, Lester Caine <lester@lsces.co.uk> wrote:

> Yasuo Ohgaki wrote:
>
>> Since it is evaluated at compile time, run time check is not needed at
>> all when
>> byte code cache is used.
>>
>> There are many code out there checks if (!extention_loaded(foo'))
>> die('You need
>> foo'). This is waste of CPU resources once it is checked. These
>> requirements for
>> scripts may be evaluated at compile time and script runs a little faster.
>>
>
> And if the system you are running no longer has your 'byte code cache'?
> I'm still running eaccelerator as it's the base for all the legacy systems.


I don't think type of byte code cache matters.
I could be wrong. Anyone?

BTW, if you use legacy system with legacy code, there would not be
declare('requirements') or like. If there is, you get E_WARNING.

Regards,

--
Yasuo Ohgaki
yohgaki@ohgaki.net

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