#35560 [NEW]: Failure on list($a, $b) = $b

From: ktk at bigfoot dot com Operating system: GNU/Linux PHP version: 5.1.1 PHP Bug Type: Arrays related Bug description: Failure on list($a, $b) = $b Description: ------------ In PHP 5.1 the list() operator fails to correctly assign values to variables that appear left of the variable that is used as the source array, if the source variable is itself listed as one of the variables to be assigned. list($a, $b) = $b; fails to properly assign $a. PHP 5.0 and earlier have no problem with this syntax. Reproduce code: --------------- $c = array("Apple", "Banana", "Pear", "Grape", "Orange"); list($a, $b, $c, $d, $e) = $c; var_dump($a); var_dump($b); var_dump($c); var_dump($d); var_dump($e); Expected result: ---------------- string(5) "Apple" string(6) "Banana" string(4) "Pear" string(5) "Grape" string(6) "Orange" Actual result: -------------- string(1) "P" string(1) "e" string(4) "Pear" string(5) "Grape" string(6) "Orange" -- Edit bug report at http://bugs.php.net/?id=35560&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=35560&r=trysnapshot44 Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=35560&r=trysnapshot51 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=35560&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=35560&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=35560&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=35560&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=35560&r=needscript Try newer version: http://bugs.php.net/fix.php?id=35560&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=35560&r=support Expected behavior: http://bugs.php.net/fix.php?id=35560&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=35560&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=35560&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=35560&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35560&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=35560&r=dst IIS Stability: http://bugs.php.net/fix.php?id=35560&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=35560&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=35560&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=35560&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=35560&r=mysqlcfg