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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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 [2003-02-20 08:13 UTC] sniper@php.net
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