From:             ch
Operating system: any
PHP version:      5.4.0alpha3
Package:          Filter related
Bug Type:         Bug
Bug description:FILTER_VALIDATE_EMAIL fails with valid addresses containing 
"--" twice

Description:
------------
The FILTER_VALIDATE_EMAIL check fails with valid adresses that contain "--"
twice because they have e.g. a German Umlaut ("ä") after a dash ("-").

The following examples can be verified using the converter tool on the
DeNIC page at
http://www.denic.de/domains/internationalized-domain-names/idn-konvertierung.html

 IDN: example-ä.de
 ACE-String: xn--example--7za.de


Test script:
---------------
--TEST--
Bug #XXXXX (FILTER_VALIDATE_EMAIL fails with valid addresses containing
"--" twice)
--FILE--
<?php

$email_address = "t...@xn--example--7za.de"; // "example-ä.de"
var_dump(filter_var($email_address, FILTER_VALIDATE_EMAIL));    

?>
--EXPECTF--
%unicode|string%(21) "t...@xn--example--7za.de"


Expected result:
----------------
"t...@xn--example--7za.de"

Actual result:
--------------
bool(false)

$ TEST_PHP_EXECUTABLE=/home/chammers/workspace/php-src-5.4/sX.phpt /php
./run-tests.php ext/filter/tests/bugXXXXX

=====================================================================
PHP         : /home/chammers/workspace/php-src-5.4/sapi/cli/php 
PHP_SAPI    : cli
PHP_VERSION : 5.4.0beta1-dev
ZEND_VERSION: 2.4.0
PHP_OS      : Linux - Linux sys-251 2.6.38-bpo.2-686 #1 SMP Tue Jun 14
11:43:18 UTC 2011 i686
INI actual  : /home/chammers/workspace/php5/php5-5.3.3
More .INIs  :  
CWD         : /home/chammers/workspace/php5/php5-5.3.3
Extra dirs  : 
VALGRIND    : Not used
=====================================================================
Running selected tests.
FAIL Bug #XXXXX (FILTER_VALIDATE_EMAIL fails with valid addresses
containing "--" twice) [ext/filter/tests/bugXXXXX.phpt] 


-- 
Edit bug report at https://bugs.php.net/bug.php?id=55478&edit=1
-- 
Try a snapshot (PHP 5.4):            
https://bugs.php.net/fix.php?id=55478&r=trysnapshot54
Try a snapshot (PHP 5.3):            
https://bugs.php.net/fix.php?id=55478&r=trysnapshot53
Try a snapshot (trunk):              
https://bugs.php.net/fix.php?id=55478&r=trysnapshottrunk
Fixed in SVN:                        
https://bugs.php.net/fix.php?id=55478&r=fixed
Fixed in SVN and need be documented: 
https://bugs.php.net/fix.php?id=55478&r=needdocs
Fixed in release:                    
https://bugs.php.net/fix.php?id=55478&r=alreadyfixed
Need backtrace:                      
https://bugs.php.net/fix.php?id=55478&r=needtrace
Need Reproduce Script:               
https://bugs.php.net/fix.php?id=55478&r=needscript
Try newer version:                   
https://bugs.php.net/fix.php?id=55478&r=oldversion
Not developer issue:                 
https://bugs.php.net/fix.php?id=55478&r=support
Expected behavior:                   
https://bugs.php.net/fix.php?id=55478&r=notwrong
Not enough info:                     
https://bugs.php.net/fix.php?id=55478&r=notenoughinfo
Submitted twice:                     
https://bugs.php.net/fix.php?id=55478&r=submittedtwice
register_globals:                    
https://bugs.php.net/fix.php?id=55478&r=globals
PHP 4 support discontinued:          
https://bugs.php.net/fix.php?id=55478&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=55478&r=dst
IIS Stability:                       
https://bugs.php.net/fix.php?id=55478&r=isapi
Install GNU Sed:                     
https://bugs.php.net/fix.php?id=55478&r=gnused
Floating point limitations:          
https://bugs.php.net/fix.php?id=55478&r=float
No Zend Extensions:                  
https://bugs.php.net/fix.php?id=55478&r=nozend
MySQL Configuration Error:           
https://bugs.php.net/fix.php?id=55478&r=mysqlcfg

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