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Date: Sun, 26 Oct 2008 21:46:05 -0500
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To: Robert Cummings <robert@interjinn.com>
CC: Andrew Mason <slackmase2@gmail.com>,  nrixham@gmail.com, 
 internals@lists.php.net, Lukas Kahwe Smith <mls@pooteeweet.org>
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Subject: Re: [PHP-DEV] Re: namespace separator and whining
From: greg@chiaraquartet.net (Greg Beaver)

Robert Cummings wrote:
> On Mon, 2008-10-27 at 09:28 +1030, Andrew Mason wrote:
>> So can I just confirm that what was previously
>>
>> <?php
>>
>>               $x = new Framework::Utils::Foo();
>>               $y = new Project::PEAR::Bar( 'somestring' );
>>
>>
>> ?>
>>
>> is now
>>
>> <?php
>>
>>               $x = new Framework\Utils\Foo();
>>               $y = new Project\PEAR\Bar( 'somestring' );
>>
>> ?>
>>
>>
>> Is this correct ?
> 
> Wouldn't it be:
> 
> <?php
> 
>     $x = new Framework\Utils::Foo();
>     $y = new Project\PEAR::Bar( 'somestring' );
> ?>

The correct syntax is:

<?php
// initialize class
$a = new Framework\Utils\Foo();
// namespaced function
Framework\Utils\parse($string);
// static method
Project\PEAR\XML::makeEntity('\\');
// namespaced constant
if ($a == Framework\Utils\FOO) echo "hi";
// class constant
if ($a == Project\PEAR\XML::ZOMG) echo "bye";
?>

Note that static class elements are accessed using T_DOUBLE_COLON (::),
and that the namespace separator \ is used to join namespace and element
name.

Greg