Bug #65111 [Opn->Asn]: Calling traits directly with static properties/methods

From: Date: Mon, 24 Jun 2013 17:09:56 +0000
Subject: Bug #65111 [Opn->Asn]: Calling traits directly with static properties/methods
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=65111&edit=1

 ID:                 65111
 Updated by:         felipe@php.net
 Reported by:        ryan dot brothers at gmail dot com
 Summary:            Calling traits directly with static
                     properties/methods
-Status:             Open
+Status:             Assigned
 Type:               Bug
 Package:            Class/Object related
 Operating System:   Linux
 PHP Version:        5.5.0
-Assigned To:        
+Assigned To:        gron
 Block user comment: N
 Private report:     N



Previous Comments:
------------------------------------------------------------------------
[2013-06-24 16:52:52] ryan dot brothers at gmail dot com

Description:
------------
The documentation for traits indicates that "it is not possible to instantiate a Trait on its
own", but I have noticed that a trait can be called directly if it has a static property or
method, as per the below example.  Is this intended behavior?  Or should traits be restricted from
being called directly?  I was under the impression that traits cannot be called directly per the
documentation.  If not, is there a way to prevent traits from being called directly as in the below
example?

Test script:
---------------
<?php
trait t1
{
    public static $a1 = 'test1';

    public static function test()
    {
        return 'test2';
    }
}

echo t1::$a1."\n";
echo t1::test()."\n";


Expected result:
----------------
Fatal Error that traits cannot be called directly.

Actual result:
--------------
test1
test2



------------------------------------------------------------------------



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Edit this bug report at https://bugs.php.net/bug.php?id=65111&edit=1


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