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Bug #47772 filter_var() returnes nothing for some invalid e-mails
Submitted: 2009-03-25 13:31 UTC Modified: 2009-03-25 18:52 UTC
From: saschagros at gmail dot com Assigned:
Status: Closed Package: Filter related
PHP Version: 5.3.0RC1 OS: Ubuntu 9.04 Jaunty
Private report: No CVE-ID: None
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From: saschagros at gmail dot com
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 [2009-03-25 13:31 UTC] saschagros at gmail dot com 
Description:
------------
filter_var incorrectly validates some invalid e-mail adresses (see reproduce code).

Note: I am not 100% sure that this is the wrong behavior, however, it has changed from php 5.2 and I can't find a related bug or NEWS entry.

Reproduce code:
---------------
var_dump(filter_var('invalid@site', FILTER_VALIDATE_EMAIL));
var_dump(filter_var('invalid@site.', FILTER_VALIDATE_EMAIL));

Expected result:
----------------
bool(false)
bool(false)

Actual result:
--------------
string(13) "invalid@site."
string(12) "invalid@site"

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 [2009-03-25 18:52 UTC] iliaa@php.net 
This bug has been fixed in CVS.

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/.
 
Thank you for the report, and for helping us make PHP better.

Your 1st e-mail is valid, in fact many "local" domains on intranets 
would not have a domain extension. foo@bar is perfectly valid.

The allowance for foo@bar. is a bug and a fix for it has just been 
applied.
 
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