#31216 [NEW]: array_merge_recursive change in behaviour php4>5

From: fire at firepages dot com dot au Operating system: win32 XP SP1 PHP version: 5.0.3 PHP Bug Type: Zend Engine 2 problem Bug description: array_merge_recursive change in behaviour php4>5 Description: ------------ in php4 array_merge_recursive($arr1,$arr...) allowed the first array argument to be unassigned , in php5 it requires inintialising. perhaps php4 behaviour was a feature-bug ? Reproduce code: --------------- while( $whatever ){ $arr = foo->get_arr(); $tmp = array_merge_recursive( $tmp , $arr ) ; } Expected result: ---------------- $tmp is created if !exists & continues as expected Actual result: -------------- PHP-4.3.8 >> $tmp is created if !exists & continues as expected PHP-5.0.3 Warning: array_merge_recursive() Argument #1 is not an array in .... easily solved by initialising $tmp prior to use $tmp=array(); just unsure if this is intended ? -- Edit bug report at http://bugs.php.net/?id=31216&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=31216&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=31216&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=31216&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=31216&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=31216&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=31216&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=31216&r=needscript Try newer version: http://bugs.php.net/fix.php?id=31216&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=31216&r=support Expected behavior: http://bugs.php.net/fix.php?id=31216&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=31216&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=31216&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=31216&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=31216&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=31216&r=dst IIS Stability: http://bugs.php.net/fix.php?id=31216&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=31216&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=31216&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=31216&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=31216&r=mysqlcfg