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Bug #55317 SimpleXML loses DTD declaration on simplexml_load_file
Submitted: 2011-07-29 11:44 UTC Modified: 2016-09-11 04:22 UTC
Votes:3
Avg. Score:3.7 ± 0.9
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: schalk at unf dot edu Assigned: cmb (profile)
Status: No Feedback Package: SimpleXML related
PHP Version: 5.3.6 OS: OSX 10.6.8
Private report: No CVE-ID: None
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From: schalk at unf dot edu
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 [2011-07-29 11:44 UTC] schalk at unf dot edu 
Description:
------------
I guess this may not be a bug but I can find no information about how to import an XML with a DTD declaration (<!DOCTYPE...) and have the resulting XML still contain the declaration when I use the asXML method.  All I get is the file with the declaration removed.  I have tried LIBXML_DTDLOAD, LIBXML_DTDATTR and they don't seem to help.

On a related note when I set an element using simplexml and it includes an '&' ans part of an entity reference (i.e. &M;) it gets converted to '&amp;'. How can I stop that?

Test script:
---------------
$exptml= simplexml_load_file('http://chalk.coas.unf.edu/eureka/files/templates/tmpl_chm.xml');
echo $exptml->asXML();

Expected result:
----------------
<?xml version="1.0" encoding="UTF-8"?>
<!-- Example Chemical - ExptML v0.1 SJC 4/7/11 -->
<!DOCTYPE ExptML SYSTEM "http://chalk.coas.unf.edu/eureka/files/exptml/exptml_entities.dtd">
<chemical id="pid" xmlns="urn:exptml:schema:draft:0.1"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:unitsml="urn:oasis:names:tc:unitsml:schema:xsd:UnitsMLSchema-1.0"
	xsi:schemaLocation="urn:exptml:schema:draft:0.1 http://chalk.coas.unf.edu/eureka/files/exptml/exptml_chemical.xsd" version="0.1">
<name>Chemical name</name>
...
</chemical>


Actual result:
--------------
<?xml version="1.0" encoding="UTF-8"?>
<!-- Example Chemical - ExptML v0.1 SJC 4/7/11 -->

<chemical id="pid" xmlns="urn:exptml:schema:draft:0.1"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:unitsml="urn:oasis:names:tc:unitsml:schema:xsd:UnitsMLSchema-1.0"
	xsi:schemaLocation="urn:exptml:schema:draft:0.1 http://chalk.coas.unf.edu/eureka/files/exptml/exptml_chemical.xsd" version="0.1">
<name>Chemical name</name>
...
</chemical>

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 [2012-02-25 20:07 UTC] virtual dot greg at gmail dot com 
This does not manifest in 5.3.8 on OS X 10.6.8, the '<!DOCTYPE' is not removed.

I'd post my test script and output but I keep getting the error "Please do not 
SPAM our bug system."
 [2012-02-25 20:11 UTC] virtual dot greg at gmail dot com 
See my gist for test code and output: https://gist.github.com/1910382
 [2016-09-01 22:44 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2016-09-01 22:44 UTC] cmb@php.net 
I can't reproduce this issue with current PHP-5.6. Can anybody
else?
 [2016-09-11 04:22 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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