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Bug #37622 Odd DOMXPath->query behaviour
Submitted: 2006-05-29 08:47 UTC Modified: 2006-05-29 10:09 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: nickm at tbms dot ru Assigned:
Status: Not a bug Package: DOM XML related
PHP Version: 5.1.4 OS: Windows XP SP2
Private report: No CVE-ID: None
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 [2006-05-29 08:47 UTC] nickm at tbms dot ru 
Description:
------------
I've tried to execute the 
"/gesmes:Envelope/:Cube/:Cube/:Cube[@currency='USD']" XPath instruction
via the
DOMXPath->query method
on the
"http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml"

but I got neither parse error nor the DOMNodeList. The result is simply empty.

I validated my istruction here:
"http://www.activsoftware.com/xml/xpath/"
Аnd it get exactly what I want from the XML document.

Reproduce code:
---------------
$from = "USD";
$result = $xPath->query("/gesmes:Envelope/:Cube/:Cube/:Cube[@currency='" . strtoupper($from) . "']");
//$result is EMPTY!

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 [2006-05-29 08:59 UTC] tony2001@php.net 
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with <?php and ends with ?>,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc.

If possible, make the script source available online and provide
an URL to it here. Try to avoid embedding huge scripts into the report.
 [2006-05-29 09:09 UTC] nickm at tbms dot ru 
Here is the code:
<?
$document = new DOMDocument("1.0", "utf-8");
$document->load("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
$xPath = new DOMXPath($document);
$result = $xPath->query("/gesmes:Envelope/:Cube/:Cube/:Cube[@currency='USD']");
//Oops! $result is somehow empty
if ($result->length > 0) {
  print "OK!";
} else {
  print "ERROR!";
}
?>
 [2006-05-29 09:30 UTC] tony2001@php.net 
Warning: DOMXPath::query(): Invalid expression in /tmp/3.php on line 5

Warning: DOMXPath::query(): Invalid expression in /tmp/3.php on line 5
bool(false)

Did you try to enable display_errors ?
 [2006-05-29 10:00 UTC] nickm at tbms dot ru 
I ve localized the code from my framework and it gives errors now. Seems to me that the problem is in the QUERY. But on thing is still confusing me why the QUERY works via the

http://www.activsoftware.com/xml/xpath/ processor and some others?
 [2006-05-29 10:09 UTC] tony2001@php.net 
.
 
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