[wp-trac] Re: [WordPress Trac] #4820: Regex fix for $pagelinkedfrom (xmlrpc.php)

[WordPress Trac]

#4820: Regex fix for $pagelinkedfrom (xmlrpc.php)
-----------------------+----------------------------------------------------
 Reporter:  tenpura    |        Owner:  anonymous
     Type:  defect     |       Status:  new      
 Priority:  normal     |    Milestone:  2.3      
Component:  XML-RPC    |      Version:  2.3      
 Severity:  normal     |   Resolution:           
 Keywords:  has-patch  |  
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Changes (by tenpura):

  * keywords:  => has-patch

Comment:

 I found another one to fix. Please see the attachment.

 > Is there a specific example of where the current code doesn't work as
 expected?
 Yes. The current code contains a misuse of character class (Square
 brackets).

 Example:
 {{{
 $pagelinkedfrom = '&a=1&m=2&p=3&ok=4&';
 $pagelinkedfrom = preg_replace('#&([^amp\;])#is', '&$1',
 $pagelinkedfrom);
 echo $pagelinkedfrom; // result is &a=1&m=2&p=3&ok=4&
 }}}

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Ticket URL: <http://trac.wordpress.org/ticket/4820#comment:4>
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