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Bug #49647 DOMUserData does not exist
Submitted: 2009-09-23 22:00 UTC Modified: 2009-09-24 13:35 UTC
From: Assigned:
Status: Closed Package: Reflection related
PHP Version: 5.3.0 OS: Linux
Private report: No CVE-ID: None
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 [2009-09-23 22:00 UTC]
Reflection actitivy against a child of DOMElement can result in:

"ReflectionException: Class DOMUserData does not exist"

presumably due to dom_node_get_user_data in ext/dom/node.c.

The actual class does not appear to exist, although the method shows it as a datatype for a parameter.

Reproduce code:
$r2 = new ReflectionClass('DOMUserData');
echo r2->getName();

Expected result:

Actual result:
ReflectionException: Class DOMUserData does not exist


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 [2009-09-24 10:03 UTC]
Is ext/dom enabled in your build? And loaded? :)
 [2009-09-24 11:31 UTC]
Yes, ext/dom is enabled ---------------------------------------------:
$ php -i | grep -i dom
DOM/XML => enabled
DOM/XML API Version => 20031129

I'll modify the test script to verify it also ----------------------:
echo 'Verify DOM is loaded:' . PHP_EOL;
$r1 = new ReflectionClass('DOMElement');
echo PHP_EOL;

echo 'Does DOMUserData exist?' . PHP_EOL;
$r2 = new ReflectionClass('DOMUserData');

With expected output ------------------------------------------------:
Verify DOM is loaded:
string(10) "DOMElement"

Does DOMUserData exist?
string(11) "DOMUserData"

And actual output ---------------------------------------------------:
Verify DOM is loaded:
string(10) "DOMElement"

Does DOMUserData exist?
PHP Fatal error:  Uncaught exception 'ReflectionException' with message 'Class DOMUserData does not exist' in /opt/phpversions/php-bin/php-5.3.0/test.php:8
Stack trace:
#0 /opt/phpversions/php-bin/php-5.3.0/test.php(8): ReflectionClass->__construct('DOMUserData')
#1 {main}
  thrown in /opt/phpversions/php-bin/php-5.3.0/test.php on line 8

ReflectionException: Class DOMUserData does not exist in /opt/phpversions/php-bin/php-5.3.0/test.php on line 8

Call Stack:
    0.0002     624160   1. {main}() /opt/phpversions/php-bin/php-5.3.0/test.php:0
    0.0004     625432   2. ReflectionClass->__construct() /opt/phpversions/php-bin/php-5.3.0/test.php:8

This bug report was prompted by PEAR bug #14640, where phpDocumenter encounters the same ReflectionException when attempting to document the DOMElement parent class of a user's code class that extends DOMElement.  Declaring an empty dummy DOMUserData class in the user's code solves the issue.
 [2009-09-24 13:18 UTC]
Automatic comment from SVN on behalf of rrichards
Log: Fixed bug #49647 (DOMUserData does not exist)
 [2009-09-24 13:19 UTC]
This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
Thank you for the report, and for helping us make PHP better.

type is mixed not DOMUserData
 [2009-09-24 13:35 UTC]
Thanks Rob... any chance you could also patch it on the 5_2 branch?
 [2009-09-24 15:10 UTC]
Automatic comment from SVN on behalf of rrichards
Log: MFH: Fixed bug #49647 (DOMUserData does not exist)
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