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Bug #61858 DOMAttr debug info generates E_WARNING
Submitted: 2012-04-26 13:48 UTC Modified: 2013-12-02 14:57 UTC
Votes:22
Avg. Score:4.0 ± 1.0
Reproduced:20 of 20 (100.0%)
Same Version:6 (30.0%)
Same OS:2 (10.0%)
From: salathe@php.net Assigned:
Status: Closed Package: DOM XML related
PHP Version: 5.4.1 OS:
Private report: No CVE-ID: None
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 [2012-04-26 13:48 UTC] salathe@php.net 
Description:
------------
Trying var_dump()/print_r() a DOMAttr prints an E_WARNING message "Not yet 
implemented".

Test script:
---------------
<?php

$doc = new DOMDocument();
$doc->loadXML('<example a="b">Test</example>');

$example = $doc->getElementsByTagName('example')->item(0);
$attr    = $example->getAttributeNode('a');

var_dump($attr);
print_r($attr);


Expected result:
----------------
object(DOMAttr)#2 (20) {
  ["name"]=>
  string(1) "a"
  ["specified"]=>
  bool(true)
  ["value"]=>
  string(1) "b"
  ["ownerElement"]=>
  string(22) "(object value omitted)"
  ["schemaTypeInfo"]=>
  NULL
  ["nodeName"]=>
  string(1) "a"
  ["nodeValue"]=>
  string(1) "b"
  ["nodeType"]=>
  int(2)
  ["parentNode"]=>
  string(22) "(object value omitted)"
  ["childNodes"]=>
  string(22) "(object value omitted)"
  ["firstChild"]=>
  string(22) "(object value omitted)"
  ["lastChild"]=>
  string(22) "(object value omitted)"
  ["previousSibling"]=>
  NULL
  ["attributes"]=>
  NULL
  ["ownerDocument"]=>
  string(22) "(object value omitted)"
  ["namespaceURI"]=>
  NULL
  ["prefix"]=>
  string(0) ""
  ["localName"]=>
  string(1) "a"
  ["baseURI"]=>
  string(1) "/"
  ["textContent"]=>
  string(1) "b"
}
DOMAttr Object
(
    [name] => a
    [specified] => 1
    [value] => b
    [ownerElement] => (object value omitted)
    [schemaTypeInfo] => 
    [nodeName] => a
    [nodeValue] => b
    [nodeType] => 2
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => 
    [attributes] => 
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => a
    [baseURI] => /
    [textContent] => b
)


Actual result:
--------------
Warning: var_dump(): Not yet implemented in /tmp/php-OE78FO on line 9
object(DOMAttr)#2 (20) {
  ["name"]=>
  string(1) "a"
  ["specified"]=>
  bool(true)
  ["value"]=>
  string(1) "b"
  ["ownerElement"]=>
  string(22) "(object value omitted)"
  ["schemaTypeInfo"]=>
  NULL
  ["nodeName"]=>
  string(1) "a"
  ["nodeValue"]=>
  string(1) "b"
  ["nodeType"]=>
  int(2)
  ["parentNode"]=>
  string(22) "(object value omitted)"
  ["childNodes"]=>
  string(22) "(object value omitted)"
  ["firstChild"]=>
  string(22) "(object value omitted)"
  ["lastChild"]=>
  string(22) "(object value omitted)"
  ["previousSibling"]=>
  NULL
  ["attributes"]=>
  NULL
  ["ownerDocument"]=>
  string(22) "(object value omitted)"
  ["namespaceURI"]=>
  NULL
  ["prefix"]=>
  string(0) ""
  ["localName"]=>
  string(1) "a"
  ["baseURI"]=>
  string(1) "/"
  ["textContent"]=>
  string(1) "b"
}
DOMAttr Object

Warning: print_r(): Not yet implemented in /tmp/php-OE78FO on line 10
(
    [name] => a
    [specified] => 1
    [value] => b
    [ownerElement] => (object value omitted)
    [schemaTypeInfo] => 
    [nodeName] => a
    [nodeValue] => b
    [nodeType] => 2
    [parentNode] => (object value omitted)
    [childNodes] => (object value omitted)
    [firstChild] => (object value omitted)
    [lastChild] => (object value omitted)
    [previousSibling] => 
    [attributes] => 
    [ownerDocument] => (object value omitted)
    [namespaceURI] => 
    [prefix] => 
    [localName] => a
    [baseURI] => /
    [textContent] => b
)

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Pull requests:

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AllCommentsChangesGit/SVN commitsRelated reports
 [2012-05-25 12:08 UTC] arjen at react dot com 
In  5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.10, 5.4.0 not 
warning was generated, while both objects were printed as if the are empty.

In 5.3.11 - 5.3.13, 5.4.1 - 5.4.3 the content IS printed, AND a warning is 
generated.

http://3v4l.org/OcEGX
 [2013-12-02 14:57 UTC] mike@php.net
-Status: Open +Status: Verified
 [2013-12-02 14:57 UTC] mike@php.net 
It tries to fetch DomAttr->schemaTypeInfo (DOM3) which results in the "not implemented" warning.
 [2016-12-07 17:46 UTC] obeobe at zoho dot com 
This issue happens when doing something as simple as:

$attribute = $element->getAttributeNode($attributeName);

Still not fixed in PHP 5.6.

In PHP 7 the behavior is a little different - I don't see an actual warning but it kills xdebug (tracing a couple of line after calling a function that would throw an E_WARNING in PHP 5.6 causes the trace to immediately exit the current function and go back to the parent stack frame).

Unless I find a way to work around this - I won't be able to work with DOMDocument.

How come it wasn't fixed for more than 4 years?? It seems pretty trivial as it's just debugging code!
 [2017-01-10 22:25 UTC] nikic@php.net 
Automatic comment on behalf of arnoutboks@gmail.com
Revision: http://git.php.net/?p=php-src.git;a=commit;h=07340553a562db2387c9995dce0c84dd9afba97e
Log: Fixed bug #61858 (DOMAttr debug info generates E_WARNING)
 [2017-01-10 22:25 UTC] nikic@php.net
-Status: Verified +Status: Closed
 
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