Bug #64066 [NEW]: foreach with reference alter variable

From: w at ndrille dot fr Operating system: Linux and Windows PHP version: 5.4.11 Package: Testing related Bug Type: Bug Bug description:foreach with reference alter variable Description: ------------ When we use foreach with reference and use foreach again with the same variable without doing any action, php will alter array: The last value is doubled Test script: --------------- <?php $a = array(1,2,3); $z = $a; foreach ($a as &$b){} foreach ($a as $b){} print_r($a); if ($a != $z) print('bug'); ?> Expected result: ---------------- Array ( [0] => 1 [1] => 2 [2] => 3 ) Actual result: -------------- Array ( [0] => 1 [1] => 2 [2] => 2 ) bug -- Edit bug report at https://bugs.php.net/bug.php?id=64066&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=64066&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=64066&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=64066&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=64066&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=64066&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=64066&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=64066&r=needscript Try newer version: https://bugs.php.net/fix.php?id=64066&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=64066&r=support Expected behavior: https://bugs.php.net/fix.php?id=64066&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=64066&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=64066&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=64066&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64066&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=64066&r=dst IIS Stability: https://bugs.php.net/fix.php?id=64066&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=64066&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=64066&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=64066&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=64066&r=mysqlcfg