Edit report at https://bugs.php.net/bug.php?id=44367&edit=1
ID: 44367
Comment by: sites at hubmed dot org
Reported by: daniel dot oconnor at gmail dot com
Summary: DOMDocument::baseURI parsing is out of whack
Status: Not a bug
Type: Bug
Package: DOM XML related
Operating System: Windows
PHP Version: 5.2.5
Assigned To: rrichards
Block user comment: N
Private report: N
New Comment:
A test case which illustrates that the baseURI parsing is working correctly now
(at least in PHP 5.3.15):
<?php
$doc =
DOMDocument::load('http://www.w3.org/2001/sw/grddl-wg/td/inline-rdf6.xml');
var_dump($doc->baseURI); //
"http://www.w3.org/2001/sw/grddl-wg/td/inline-rdf6.xml";
var_dump($doc->documentElement->baseURI); // "http://wwww.example.org/";
As http://www.w3.org/TR/xmlbase/ describes, the base URI of a document entity
is the URI used to retrieve the document entity. The base URI of an element
(including the document element) is
detected by various rules, starting with the xml:base attribute on the element.
Previous Comments:
------------------------------------------------------------------------
[2008-03-12 22:30:13] daniel dot oconnor at gmail dot com
:S I hate being pushy / argumentitive, sorry if its coming across that way.
RFC 2396 is "Uniform Resource Identifiers (URI): Generic Syntax"
Section 5.1. is "Establishing a Base URI" describes what I've been trying to
say, probably a little clearer.
XML Base spec @ http://www.w3.org/TR/xmlbase/#rfc2396 says:
Determine a baseURI:
1. The base URI is embedded in the document's content.
2. The base URI is that of the encapsulating entity (message, document, or
none).
3. The base URI is the URI used to retrieve the entity.
4. The base URI is defined by the context of the application.
> This is not just how it is implemented in PHP as the other major DOM parsers
> implement it the same way
... and that's why the xml:base GRDDL tests were written - to clarify correct
behaviour / check implementations.
------------------------------------------------------------------------
[2008-03-12 17:16:05] rricha...@php.net
still bogus as what you are describing pertains to GRDDL only not DOM,
so when working with GRDDL and DOm you need to check base uri of the
document element, not the DOMDocument.
DOM determines base uri using the xml base spec.
"The base URI of a document entity or an external entity is determined
by RFC 2396 rules, namely, that the base URI is the URI used to retrieve
the document entity or external entity."
This is not just how it is implemented in PHP as the other major DOM
parsers implement it the same way,
------------------------------------------------------------------------
[2008-03-11 00:03:46] daniel dot oconnor at gmail dot com
See http://www.w3.org/TR/grddl/#base_misc &
http://www.apps.ietf.org/rfc/rfc3986.html#sec-5.1
The way to determine baseURI is:
1. Look for it on the root document element (HTML - <base>, XML - <foo
xml:base="">
2. Couldn't find that? Use the URL we retrieved the document with
* And make sure we follow redirects!
3. Couldn't find that? Application specific (but we don't really have a
setBaseURI())
So, condition #1 is broken in 5.2.5 when you do:
<?php
$doc =
DOMDocument::load('http://www.w3.org/2001/sw/grddl-wg/td/inline-rdf6.xml');
var_dump($doc->baseURI); //Expected http://wwww.example.org/
produces:
string(53) "http://www.w3.org/2001/sw/grddl-wg/td/inline-rdf6.xml";
------------------------------------------------------------------------
[2008-03-10 14:09:30] rricha...@php.net
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php
Don't know about GRDDL, but for DOM trees, base uri of a DOMDocument is
the URI its loaded from (or for memory based tree, the current dir).
You need to check on the document element to get the base uri you are
looking for.
------------------------------------------------------------------------
[2008-03-08 22:20:31] johan...@php.net
Rob, please take a look
------------------------------------------------------------------------
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the rest of the comments, please view the bug report online at
https://bugs.php.net/bug.php?id=44367
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