From:             
Operating system: CentOS 5
PHP version:      5.3.8
Package:          SimpleXML related
Bug Type:         Bug
Bug description:Incorrect xPath in children nodes

Description:
------------
For children nodes SimpleXMLElement::xpath searches the matching xPath in
parent 
node.

Workaround:
Create new instances of SimpleXMLElement for each child.
$xmlNode = new SimpleXMLElement($xmlNode->asXML());

Test script:
---------------
$xmlData = <<<XML
<foo>
    <bar>
        <a>first</a>
    </bar>
    <bar>
        <a>second</a>
    </bar>
</foo>
XML;

$xmlObj = new SimpleXMLElement($xmlData);
foreach ($xmlObj->children() as $xmlNode) {
    echo "<br>" . htmlspecialchars($xmlNode->asXML()) . "<br>";
    var_dump($xmlNode->xpath("//a"));
}

Expected result:
----------------
<bar> <a>first</a> </bar>
array(1) { [0]=> object(SimpleXMLElement)#333 (1) { [0]=> string(5) "first"
} } 
<bar> <a>second</a> </bar>
array(1) { [0]=> object(SimpleXMLElement)#333 (1) { [0]=> string(6)
"second" } }

Actual result:
--------------
<bar> <a>first</a> </bar>
array(2) { [0]=> object(SimpleXMLElement)#333 (1) { [0]=> string(5) "first"
} 
[1]=> object(SimpleXMLElement)#335 (1) { [0]=> string(6) "second" } } 
<bar> <a>second</a> </bar>
array(2) { [0]=> object(SimpleXMLElement)#331 (1) { [0]=> string(5) "first"
} 
[1]=> object(SimpleXMLElement)#333 (1) { [0]=> string(6) "second" } }

-- 
Edit bug report at https://bugs.php.net/bug.php?id=55766&edit=1
-- 
Try a snapshot (PHP 5.4):            
https://bugs.php.net/fix.php?id=55766&r=trysnapshot54
Try a snapshot (PHP 5.3):            
https://bugs.php.net/fix.php?id=55766&r=trysnapshot53
Try a snapshot (trunk):              
https://bugs.php.net/fix.php?id=55766&r=trysnapshottrunk
Fixed in SVN:                        
https://bugs.php.net/fix.php?id=55766&r=fixed
Fixed in SVN and need be documented: 
https://bugs.php.net/fix.php?id=55766&r=needdocs
Fixed in release:                    
https://bugs.php.net/fix.php?id=55766&r=alreadyfixed
Need backtrace:                      
https://bugs.php.net/fix.php?id=55766&r=needtrace
Need Reproduce Script:               
https://bugs.php.net/fix.php?id=55766&r=needscript
Try newer version:                   
https://bugs.php.net/fix.php?id=55766&r=oldversion
Not developer issue:                 
https://bugs.php.net/fix.php?id=55766&r=support
Expected behavior:                   
https://bugs.php.net/fix.php?id=55766&r=notwrong
Not enough info:                     
https://bugs.php.net/fix.php?id=55766&r=notenoughinfo
Submitted twice:                     
https://bugs.php.net/fix.php?id=55766&r=submittedtwice
register_globals:                    
https://bugs.php.net/fix.php?id=55766&r=globals
PHP 4 support discontinued:          
https://bugs.php.net/fix.php?id=55766&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=55766&r=dst
IIS Stability:                       
https://bugs.php.net/fix.php?id=55766&r=isapi
Install GNU Sed:                     
https://bugs.php.net/fix.php?id=55766&r=gnused
Floating point limitations:          
https://bugs.php.net/fix.php?id=55766&r=float
No Zend Extensions:                  
https://bugs.php.net/fix.php?id=55766&r=nozend
MySQL Configuration Error:           
https://bugs.php.net/fix.php?id=55766&r=mysqlcfg

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