#44191 [NEW]: preg_grep messes up array index

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