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Doc Bug #51616 FILTER_VALIDATE_URL undocumented.
Submitted: 2010-04-20 18:49 UTC Modified: 2010-08-09 23:46 UTC
From: bugs dot php at luden dot se Assigned: preinheimer (profile)
Status: Closed Package: Documentation problem
PHP Version: Irrelevant OS:
Private report: No CVE-ID: None
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 [2010-04-20 18:49 UTC] bugs dot php at luden dot se 
Description:
------------
Manual page:

<http://www.php.net/manual/en/filter.filters.validate.php>

The description for FILTER_VALIDATE_URL says "Validates value
as URL, optionally with required components.".

It is not documented which specification (such as RFC 3986) it
validates against. Without any way to determine what the filter
is supposed to do, it is entirely useless for anything but toy
programs.

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 [2010-06-29 11:19 UTC] pierrotevrard at gmail dot com 
I notice that some flags like FILTER_FLAG_ALLOW_FRACTION or FILTER_FLAG_PATH_REQUIRED are missing on this page...

Perhaps, it should be a good idea to say that there is more flags in the predefined constants.
 [2010-07-28 03:03 UTC] preinheimer@php.net 
This is an interesting question, I'll see who I can bug.
 [2010-08-08 23:59 UTC] preinheimer@php.net 
We follow: http://www.ietf.org/rfc/rfc2396.txt

Any differences between that spec and observed results should be filed as bugs 
against the feature. 

I'll update the doc page once I remember how.
 [2010-08-09 14:29 UTC] bugs dot php at luden dot se 
If the filter validates against the (obsolete) RFC 2396,
then "Trigger-happy" Jani was wrong to mark bug #51050 as
bogus, because there are no productions in the syntax that
allows the characters <>"\ .

Also, RFC 2396 only mention URLs in passing. Is the filter
supposed to validate against a <URI-reference>?
 [2010-08-09 23:46 UTC] preinheimer@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: preinheimer
 [2010-08-09 23:46 UTC] preinheimer@php.net 
- I've included a link to the RFC in the documentation, it should go out with the 
next build.
 - The filter will only validate ASCII based content, the new internationalized 
domains will fail, a note to that affect has also been added.

I received the RFC information from Ilia (thanks!)
 
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