From: admin at ifyouwantblood dot de
Operating system: Windows XP
PHP version: 5.2.5
PHP Bug Type: PCRE related
Bug description: preg_grep messes up array index
Description:
------------
preg_grep messes up the given array.
Reproduce code:
---------------
<?php
$array=Array(1,2,3);
debug_zval_dump($array); echo "<br>\n";
debug_zval_dump(preg_grep('/asdf/',$array)); echo "<br>\n";
while(list($key,$value)=each($array)) echo "Array: ".$value." ";
echo "<br>\n";
debug_zval_dump($array); echo "<br>\n";
?>
Expected result:
----------------
array(3) refcount(2){ [0]=> long(1) refcount(1) [1]=> long(2) refcount(1)
[2]=> long(3) refcount(1) }
array(0) refcount(1){ }
Array: 1 Array: 2 Array: 3
array(3) refcount(2){ [0]=> long(1) refcount(1) [1]=> long(2) refcount(1)
[2]=> long(3) refcount(1) }
Actual result:
--------------
----PHP6 Build Jan 20 2008 18:04:22----
array(3) refcount(2){ [0]=> long(1) refcount(1) [1]=> long(2) refcount(1)
[2]=> long(3) refcount(1) }
array(0) refcount(1){ }
array(3) refcount(2){ [0]=> long(1) refcount(1) [1]=> long(2) refcount(1)
[2]=> long(3) refcount(1) }
-----PHP5.2.5
array(3) refcount(2){ [0]=> long(1) refcount(1) [1]=> long(2) refcount(1)
[2]=> long(3) refcount(1) }
array(0) refcount(1){ }
array(3) refcount(2){ [0]=> string(1) "1" refcount(1) [1]=> string(1) "2"
refcount(1) [2]=> string(1) "3" refcount(1) }
--
Edit bug report at http://bugs.php.net/?id=44191&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=44191&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=44191&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=44191&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=44191&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=44191&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=44191&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=44191&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=44191&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=44191&r=support
Expected behavior: http://bugs.php.net/fix.php?id=44191&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=44191&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=44191&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=44191&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=44191&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=44191&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=44191&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=44191&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=44191&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=44191&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=44191&r=mysqlcfg