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Bug #54903 unpack("H*hex", $data) is adding an extra character to the end of the string.
Submitted: 2011-05-22 10:50 UTC Modified: 2015-07-07 17:41 UTC
From: middle_of_nowere at hotmail dot com Assigned:
Status: Not a bug Package: Unknown/Other Function
PHP Version: 5.3.6 OS: Windows 7
Private report: No CVE-ID: None
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 [2011-05-22 10:50 UTC] middle_of_nowere at hotmail dot com 
Description:
------------
Same bug as http://bugs.php.net/36148

unpack("H*hex", $data) is adding an unexpected extra character to the end of the string.


Test script:
---------------
$Value = pack("H*", "263");
$Result	= unpack("H*", $Value);

Expected result:
----------------
$Result = "263";

Actual result:
--------------
$Result = "2630";

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 [2015-07-07 17:41 UTC] cmb@php.net
-Status: Open +Status: Not a bug
 [2015-07-07 17:41 UTC] cmb@php.net 
Sorry, but your problem does not imply a bug in PHP itself.  For a
list of more appropriate places to ask for help using PHP, please
visit http://www.php.net/support.php as this bug system is not the
appropriate forum for asking support questions.  Due to the volume
of reports we can not explain in detail here why your report is not
a bug.  The support channels will be able to provide an explanation
for you.

Thank you for your interest in PHP.

The "unexpected" character is already encoded by pack() (see
<http://3v4l.org/toVJd>), because the H format expects an even
number of characters.
 
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