AW: [STANDARDS] Use declaration outside of namespace

> -----Ursprüngliche Nachricht-----
> Von: Ben Ramsey [mailto:[email protected]]
> Gesendet: Mittwoch, 29. Oktober 2014 15:20
> An: Chris Wright
> Cc: Robert Stoll; [email protected]
> Betreff: Re: [STANDARDS] Use declaration outside of namespace
> 
> 
> > On Oct 29, 2014, at 9:04 AM, Chris Wright <[email protected]> wrote:
> >
> > It does, this example does indeed place something *outside* a
> > namespace, and I am quite surprised that PHP doesn't bork at this
> > already. I would hope no-one would ever write code like this anyway,
> > but I'm sure I would be disappointed.
> >
> 
> I write scripts all the time that I run from the command line, and these use namespaces but do not specify a namespace
of
> their own. So, these use statements are *outside* a namespace. Are you saying this is incorrect to do?
> 
> For example:
> 
> <?php
> 
> require_once 'vendor/autoload.php';
> 
> use Foo\Bar;
> 
> $bar = new Bar();
> $bar->doSomethingWithBar();
> 
> ?>

No not at all, if you do not specify a namespace then your code is placed into the default namespace. That is perfectly
fine. However, if you define a namespace and then place your code (expect use declarations) really outside that
namespace as in the following example:

<?php
namespace test{
   //inside a namespace
}

//outside a namespace, not even in the default namespace -> PHP will emit an error

require_once 'vendor/autoload.php';
 
use Foo\Bar;
 
$bar = new Bar();
$bar->doSomethingWithBar();
 
?>

then PHP will emit an error (which is the correct behaviour). It should also emit an error for the use declaration
outside a namespace but this is a different story (should be addressed in PHP 7). I am writing to the standard list
since I believe the specification should not cover this "feature"