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Bug #1386 Substr & chr(0)
Submitted: 1999-05-07 09:38 UTC Modified: 1999-05-12 08:39 UTC
From: lemming at k332 dot feld dot cvut dot cz Assigned:
Status: Closed Package: Misbehaving function
PHP Version: 3.0.7 OS: Linux 2.x
Private report: No CVE-ID: None
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From: lemming at k332 dot feld dot cvut dot cz
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 [1999-05-07 09:38 UTC] lemming at k332 dot feld dot cvut dot cz 
substr does not correctly return substrings of strings containing
null characters. Following code should print:
1
1
but it prints:
1
0

<?
  echo strlen(substr(chr(65).chr(65),0,1))."\n";
  echo strlen(substr(chr(0).chr(0),0,1))."\n";
?>

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 [1999-05-12 08:39 UTC] rasmus at cvs dot php dot net 
Fixed.  See http://cvs.php.net/cvsweb.cgi/functions/string.c
 
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