#44128 [NEW]: Incorrect recursion detection for undefined variable

From: felipensp at gmail dot com Operating system: PHP version: 5.3CVS-2008-02-15 (CVS) PHP Bug Type: Scripting Engine problem Bug description: Incorrect recursion detection for undefined variable Description: ------------ Undefined variables non-reference/reference as item of an array has different behavior. Reproduce code: --------------- 1: felipe@felipe:~/php5$ sapi/cli/php -r 'var_dump($a =array($a));' 2: felipe@felipe:~/php5$ sapi/cli/php -r 'var_dump(array(&$a));' 3: felipe@felipe:~/php5$ sapi/cli/php -r 'var_dump($a =array(&$a));' Expected result: ---------------- 2 and 3 as same result. Actual result: -------------- 1: array(1) { [0]=> NULL } 2: array(1) { [0]=> &NULL } 3: array(1) { [0]=> &array(1) { [0]=> &array(1) { [0]=> *RECURSION* } } } -- Edit bug report at http://bugs.php.net/?id=44128&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=44128&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=44128&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=44128&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=44128&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=44128&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=44128&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=44128&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=44128&r=needscript Try newer version: http://bugs.php.net/fix.php?id=44128&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=44128&r=support Expected behavior: http://bugs.php.net/fix.php?id=44128&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=44128&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=44128&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=44128&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=44128&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=44128&r=dst IIS Stability: http://bugs.php.net/fix.php?id=44128&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=44128&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=44128&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=44128&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=44128&r=mysqlcfg