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Date: Tue, 24 May 2016 16:54:37 +0900
Message-ID: <CAGa2bXZ9qnqV4kVdAoXXv16QLwCE7oB47odNo2NcEsok0G7ViQ@mail.gmail.com>
To: Jesse Schalken <me@jesseschalken.com>
Cc: Dmitry Stogov <dmitry@zend.com>, internals <internals@lists.php.net>, 
	Nikita Popov <nikic@php.net>, Bob Weinand <bwoebi@php.net>, Xinchen Hui <laruence@php.net>
Content-Type: text/plain; charset=UTF-8
Subject: Re: [PHP-DEV] [RFC] Fix inconsistent behavior of $this variable
From: yohgaki@ohgaki.net (Yasuo Ohgaki)

Jesse,

On Tue, May 24, 2016 at 4:25 PM, Jesse Schalken <me@jesseschalken.com> wrote:
> On Tue, May 24, 2016 at 5:18 PM, Dmitry Stogov <dmitry@zend.com> wrote:
>
>> In fact $this is not a regular local variable and it must not be
>> re-assigned.
>>
>>
> You're just restating the premise for my question. Why is it not a regular
> local variable? Why must it not be reassigned?

$this must be a object you're accessing.
If you can change $this, you'll suddenly loose object.

PHP 4 treated $this as regular variable and caused lots of problems.

Regards,

--
Yasuo Ohgaki
yohgaki@ohgaki.net