Bug #60717 [Asn->Csd]: Order of traits in use statement can cause a fatal error

From: Date: Sun, 04 Mar 2012 18:26:42 +0000
Subject: Bug #60717 [Asn->Csd]: Order of traits in use statement can cause a fatal error
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=60717&edit=1

 ID:                 60717
 Updated by:         gron@php.net
 Reported by:        Jared dot Williams1 at ntlworld dot com
 Summary:            Order of traits in use statement can cause a fatal
                     error
-Status:             Assigned
+Status:             Closed
 Type:               Bug
 Package:            Class/Object related
 Operating System:   Ubuntu 11.10
 PHP Version:        5.4.0RC5
 Assigned To:        gron
 Block user comment: N
 Private report:     N

 New Comment:

This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.

 For Windows:

http://windows.php.net/snapshots/
 
Thank you for the report, and for helping us make PHP better.




Previous Comments:
------------------------------------------------------------------------
[2012-03-04 18:26:04] gron@php.net

Automatic comment from SVN on behalf of gron
Revision: http://svn.php.net/viewvc/?view=revision&revision=323891
Log: Fixed Bug #60717 (Order of traits in use statement can cause a fatal error)
# Compatibility is now correctly checked in both directions.
# Introduced helper method for the test.

------------------------------------------------------------------------
[2012-01-30 23:00:29] gron@php.net

The following patch has been added/updated:

Patch Name: Fix-conflict-detection.patch
Revision:   1327964429
URL:        https://bugs.php.net/patch-display.php?bug=60717&patch=Fix-conflict-detection.patch&revision=1327964429

------------------------------------------------------------------------
[2012-01-11 17:24:31] Jared dot Williams1 at ntlworld dot com

Description:
------------
The fatal trigger only occurs when the order of the use statement is

class HTMLHelper implements Helper
{
  use TextUTF8, TextArea, HTMLAttributes;
}

If the use statement is reordered... 

class HTMLHelper implements Helper
{
  use TextArea, HTMLAttributes, TextUTF8;
}

then code is fine. 

I guess that some testing of abstract methods is missing somewhere?



Test script:
---------------
https://gist.github.com/1595674

Expected result:
----------------
No fatal error

Actual result:
--------------
PHP Fatal error:  Can't inherit abstract function HTML\HTMLAttributes::text() 
(previously declared abstract in HTML\TextArea) in 
/var/www/framework.localhost/htdocs/bug.php on line 55



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



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