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Bug #22139 htmlspecialchars() fails if argument is NULL
Submitted: 2003-02-09 11:28 UTC Modified: 2003-02-20 08:13 UTC
From: ivars at elva dot lv Assigned:
Status: Not a bug Package: Strings related
PHP Version: 4.2.3 OS: Linux Slackware 7.1
Private report: No CVE-ID: None
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From: ivars at elva dot lv
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 [2003-02-09 11:28 UTC] ivars at elva dot lv 
The following piece of code takes up a reasonable amount of CPU resources and fails to finish, something like an infinite loop. 

$a=NULL;
$a = htmlspecialchars($a);

The script terminates after reaching the maximum execution time.
Not sure if the problem exists with newer versions of PHP.

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 [2003-02-09 11:34 UTC] moriyoshi@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php4-STABLE-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-STABLE-latest.zip
 [2003-02-20 08:13 UTC] sniper@php.net 
Thank you for taking the time to report a problem with PHP.
Unfortunately you are not using a current version of PHP -- 
the problem might already be fixed. Please download a new
PHP version from http://www.php.net/downloads.php

If you are able to reproduce the bug with one of the latest
versions of PHP, please change the PHP version on this bug report
to the version you tested and change the status back to "Open".
Again, thank you for your continued support of PHP.

Latest version is 4.3.1...
 
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