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Date: Tue, 4 Feb 2014 14:11:00 +0100
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To: Yasuo Ohgaki <yohgaki@ohgaki.net>
Cc: Joe Watkins <pthreads@pthreads.org>, PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=001a113aaaf298798404f194617c
Subject: Re: [PHP-DEV] RE: RFC: expectations/assertions
From: krebs.seb@gmail.com (Sebastian Krebs)

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2014-02-04 Yasuo Ohgaki <yohgaki@ohgaki.net>:

> Hi Joe,
>
> On Sun, Feb 2, 2014 at 8:26 PM, Joe Watkins <pthreads@pthreads.org> wrote:
>
> >         https://wiki.php.net/rfc/expectations
> >
>
> Current assert() may call functions
>
> php > assert(version_compare(PHP_VERSION, '4', '<'));
>

Note, that not assert() calls the function, but you. You already call
"version_compare()" and pass the return value to "assert()". While this
works it is not really recommended, because it is executed, even if you
disable assertions. Additionally the assertion message after failed
assertions is not really useful

php > assert('version_compare(PHP_VERSION, "4", "<")');


>
> Warning: assert(): Assertion failed in php shell code on line 1
>
> but it seem not closure like this
>
> php > assert(function() {return 2>1;});
> php > assert(function() {return 2<1;});
>

assert('2>1');

works


>
> Is it possible write closure like this?
>
> Regards,
>
> --
> Yasuo Ohgaki
> yohgaki@ohgaki.net
>



-- 
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