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Bug #45446 some bugs in preg_match_all
Submitted: 2008-07-07 13:02 UTC Modified: 2008-07-07 13:16 UTC
From: killthem at empal dot com Assigned:
Status: Not a bug Package: PCRE related
PHP Version: 5.2.6 OS: FreeBSD4.10
Private report: No CVE-ID: None
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 [2008-07-07 13:02 UTC] killthem at empal dot com 
Description:
------------
this code doesn't work in php5(5.2.6), but in php4(4.4.8)

Reproduce code:
---------------
<?
$string="<OPAPageResult><OPAretCode>00</OPAretCode><OPAretMessage>SUCCESS</OPAretMessage><OPAvalidfield>oid|price|mid|tid|uid|url|uip|paymethod|goodname|currency|buyername|buyertel|buyeremail|encrypted|sessionkey</OPAvalidfield><OPAjavascriptUrl>http://plugin.inicis.com/pay40_uni.js</OPAjavascriptUrl><OPAjavascript>ClN0YXJ0U21hcnRVcGRhdGUoKTsKZnVuY3Rpb24gZG9TdWJtaXQoKQp7CgkvL2RvY3VtZW50Lm9wYS5hY3Rpb249J09QQXBheS5qc3A111111111111111111111111111111</OPAjavascript></OPAPageResult>";
$match_ele_exp = '/<(\S+)([^>]*)>(.*?)<\/\\1>/s';
 preg_match_all($match_ele_exp, $string, $match);
print_r( $match );
?>

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 [2008-07-07 13:16 UTC] felipe@php.net 
preg_last_error() returns 2, that means PREG_BACKTRACK_LIMIT_ERROR.

See: http://docs.php.net/manual/en/pcre.configuration.php#ini.pcre.backtrack-limit

Thanks.
 
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