Bug #71421 [NEW]: Foreach with a reference is add content

From: msw at msw dot cz Operating system: PHP version: 7.0.2 Package: Arrays related Bug Type: Bug Bug description:Foreach with a reference is add content Description: ------------ Run foreach with references on non-existent array index, add this index Test script: --------------- $a = array(); foreach($a['b'] as &$b){;} print_r($a); Expected result: ---------------- Array ( ) Actual result: -------------- Array ( [b] => ) -- Edit bug report at https://bugs.php.net/bug.php?id=71421&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71421&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71421&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71421&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71421&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71421&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71421&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71421&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71421&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71421&r=support Expected behavior: https://bugs.php.net/fix.php?id=71421&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71421&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71421&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71421&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71421&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71421&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71421&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71421&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71421&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71421&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71421&r=mysqlcfg