Bug #52165 [NEW]: a closure fails to modify a variable in the outer scope

From: Operating system: Debian Linux 5 PHP version: 5.3.2 Package: Scripting Engine problem Bug Type: Bug Bug description:a closure fails to modify a variable in the outer scope Description: ------------ my configure line was: ./configure --prefix /usr/local/php/5.3.2 --disable-libxml --disable-dom --disable-simplexml --disable-xml --disable-xmlreader --disable-xmlwriter --without-pear Test script: --------------- <?php $total = 0; f(function ($x) use (&$total) { $total += $x; }, function () use ($total) {}); var_dump($total); $total = 0; f(function ($x) use (&$total) { $total += $x; }); var_dump($total); function f($g) { foreach (range(1, 10) as $x) $g($x); } Expected result: ---------------- The following 2 lines should be output by the script: int(55) int(55) Actual result: -------------- The script outputs the following 2 lines: int(0) int(55) -- Edit bug report at http://bugs.php.net/bug.php?id=52165&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52165&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52165&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52165&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52165&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52165&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52165&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52165&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52165&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52165&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52165&r=support Expected behavior: http://bugs.php.net/fix.php?id=52165&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52165&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52165&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52165&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52165&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52165&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52165&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52165&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52165&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52165&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52165&r=mysqlcfg