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Bug #60628 mystery circular references after tag callback
Submitted: 2011-12-30 19:43 UTC Modified: 2012-02-26 17:09 UTC
From: alpacagm at gmail dot com Assigned: bd808 (profile)
Status: Closed Package: yaml (PECL)
PHP Version: Irrelevant OS: Linux 2.6.18-194.el5 64
Private report: No CVE-ID: None
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From: alpacagm at gmail dot com
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 [2011-12-30 19:43 UTC] alpacagm at gmail dot com
Description:
------------
Returning composite value (class or array) from tag callback generates circular 
reference on first child item if[!] source value is a composite value 
(see example)

Probably improper work with php variables on extension level. 

Test script:
---------------
<?php
$data=
"#yaml
---
data: !mytag 
  - look upper
...
";

function callback($value){
   return array('data'=>$value,'another'=>'test');
}
$cnt;
$array=yaml_parse($data,0,$cnt,array('!mytag'=>'callback'));

print_r($array['data']);
?>

Expected result:
----------------
Array
(
    [data] => Array
    (
        [0] => look upper
    )
    [another] => test
)

Actual result:
--------------
Array
(
    [data] => Array
 *RECURSION*
    [another] => test
)


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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2012-01-25 06:16 UTC] bd808@php.net
-Status: Open +Status: Verified -Assigned To: +Assigned To: bd808
 [2012-02-26 17:06 UTC] bd808@php.net
Automatic comment from SVN on behalf of bd808
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=323565
Log: Fixed Bug #60628.
Added current copyright.
Fixed macro collision with php 5.4.0.
Removed php4 cruft.
 [2012-02-26 17:09 UTC] bd808@php.net
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
http://snaps.php.net/.

 For Windows:

http://windows.php.net/snapshots/
 
Thank you for the report, and for helping us make PHP better.

REPLACE_ZVAL_VALUE() was the magic macro I should have been using all along.
 [2012-02-26 17:09 UTC] bd808@php.net
-Status: Verified +Status: Closed
 
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