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Bug #42233 [PATCH] Problems with ??? in extract()
Submitted: 2007-08-07 13:11 UTC Modified: 2007-08-10 12:16 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: hkb at hkb dot it Assigned: jani (profile)
Status: Closed Package: Variables related
PHP Version: 5.2.4RC1 OS: Windows 2003
Private report: No CVE-ID: None
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From: hkb at hkb dot it
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 [2007-08-07 13:11 UTC] hkb at hkb dot it 
Description:
------------
I Just updated PHP today from 5.2.0 to PHP 5.2.3 and found that extract() didnt work if the array containes the danish letters "?", "?" or "?"...

Try running the code below ant you will see that $? is empty when it should be "2"...

I hope you will fix this bug for your next release...

Reproduce code:
---------------
$test[0] = array("e" => "2", "?" => "2");

print_r($test[0]);

extract($test[0]);


echo "<br /><br />".$e." - ".$test[0]['e'];
echo "<br /><br />".$?." - ".$test[0]['?'];

Expected result:
----------------
Array ( [e] => 2 [?] => 2 )

2 - 2

2 - 2

Actual result:
--------------
Array ( [e] => 2 [?] => 2 )

2 - 2

- 2

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 [2007-08-07 14:57 UTC] jani@php.net 
This happens because extract() uses isalpha() for checking the validity of variable name. Fix brewing..
 [2007-08-08 08:04 UTC] jani@php.net 
This bug has been fixed in CVS.

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/.
 
Thank you for the report, and for helping us make PHP better.
 [2007-08-10 12:16 UTC] jani@php.net 
And fix fixed now too. (some extract() tests failed due to bad logic in my earlier fix)
 
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