From: Operating system: Win Server 2008 PHP version: 5.2.14 Package: Scripting Engine problem Bug Type: Bug Bug description:Something wrong with preg_replace
Description:
------------
you see,I just need one 1 in the return value,but,where did the second "1"
come from?
I use ([a-zA-Z0-9])* to match all numbers and letters, and I just using
only one "a" as the input parameter
But how can the return value be the "double 1"?
Test script:
---------------
echo preg_replace("/([a-zA-Z0-9])*/","1","a");
Expected result:
----------------
11
--
Edit bug report at http://bugs.php.net/bug.php?id=52723&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=52723&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=52723&r=trysnapshot53
Try a snapshot (trunk):
http://bugs.php.net/fix.php?id=52723&r=trysnapshottrunk
Fixed in SVN:
http://bugs.php.net/fix.php?id=52723&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=52723&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=52723&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=52723&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=52723&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=52723&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=52723&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=52723&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=52723&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=52723&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=52723&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52723&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=52723&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=52723&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=52723&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=52723&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=52723&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=52723&r=mysqlcfg
