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Message-ID: <cd5680a20801100142l273d3b4etdedde4e6e4619aeb@mail.gmail.com>
Date: Thu, 10 Jan 2008 12:42:29 +0300
To: "Tomi Kaistila" <tomi@cumulo.fi>
Cc: internals@lists.php.net
In-Reply-To: <200801100205.51043.tomi@cumulo.fi>
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References: <200801100205.51043.tomi@cumulo.fi>
Subject: Re: [PHP-DEV] Set default namespace
From: indeyets@gmail.com ("Alexey Zakhlestin")

"use ProjectA;" is equivalent of "use ProjectA as ProjectA;"

if you want to use something from namespace you should "use" that something.

for example: "use ProjectA::BOOK;"

On 1/10/08, Tomi Kaistila <tomi@cumulo.fi> wrote:
> Sorry for the ambiguous subject line, but I could not find a better wording
> for it.
>
> Currently, when you use namespaces in PHP, whenever you want to call a
> function from inside a namespace you must either use the entire name of the
> namespace (potentially very long) or give it a shorter alias.
>
> Here is an example:
>
> namespace.inc
>
> namespace ProjectA;
> const WORD = 'foobar';
>
> execute.php
> use ProjectA as A;
> print A::WORD;
>
> This works out fine. But when I change the two last lines in execute.php to:
>
> use ProjectA;
> print WORD;
>
> I get a warning saying "The use statement with non-compound name 'ProjectA'
> has no effect ..." and naturally also a notice about using a non-defined
> constant.
>
> So, the default namespace in use, is always global. What about if the default
> could be changed? It would put to rest the need to always specify the
> namespace from which to look for the function or class. This would mean that
> the last example of execute.php would be valid. You could also still access
> the global space with the following syntax:
>
> execute.php
> const BOOK = 'Two Towers';
> use ProjectA;
> print ::BOOK;
>
> Any thoughts on this? Was this sort of approach considered when the namespaces
> were being implemented?
>
> Tomi Kaistila
> PHP Developer
>
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> PHP Internals - PHP Runtime Development Mailing List
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>
>


-- 
Alexey Zakhlestin
http://blog.milkfarmsoft.com/