#32168 [NEW]: A recovering of variable while using reference to $_SESSION

From: KRomas at goldentele dot com Operating system: Linux PHP version: 4.3.9 PHP Bug Type: Session related Bug description: A recovering of variable while using reference to $_SESSION Description: ------------ If we erase the $_SESSION and then make the reference to some session variable X, the value of X is recovering, ie not erased. Configure Command: ./configure' '--prefix=/usr/local/apache' '--with-config-file-path=/usr/local/Zend/etc' '--enable-track-vars' '--with-apxs=/usr/local/apache/bin/apxs' '--with-gd' '--with-oci8=/oracle/8.1.7' '--enable-trans-sid' '--enable-sigchild' '--with-zlib' '--enable-sockets' '--with-zlib-dir=/usr/local/include' '--with-iconv' '--with-iconv-dir=/usr/local' '--disable-debug' '--with-sybase-ct=/usr/local/freetds' Reproduce code: --------------- Please run folow files in order: 1.php <? session_start(); $_SESSION = Array(); $_SESSION['a']['b'] = 1; echo '<PRE>'; var_dump($_SESSION); ?> 2.php <? session_start(); $_SESSION = Array(); //unset($_SESSION['a']); //session_unregister('a'); //$val = $_SESSION['a']; $val = & $_SESSION['a']; echo '<PRE>'; var_dump($_SESSION); ?> 3.php <? session_start(); echo '<PRE>'; var_dump($_SESSION); ?> Expected result: ---------------- array(1) { ["a"]=> &NULL } Actual result: -------------- array(1) { ["a"]=> &array(1) { ["b"]=> int(1) } } -- Edit bug report at http://bugs.php.net/?id=32168&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=32168&r=trysnapshot4 Try a CVS snapshot (php5.0): http://bugs.php.net/fix.php?id=32168&r=trysnapshot50 Try a CVS snapshot (php5.1): http://bugs.php.net/fix.php?id=32168&r=trysnapshot51 Fixed in CVS: http://bugs.php.net/fix.php?id=32168&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=32168&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=32168&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=32168&r=needscript Try newer version: http://bugs.php.net/fix.php?id=32168&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=32168&r=support Expected behavior: http://bugs.php.net/fix.php?id=32168&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=32168&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=32168&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=32168&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=32168&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=32168&r=dst IIS Stability: http://bugs.php.net/fix.php?id=32168&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=32168&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=32168&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=32168&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=32168&r=mysqlcfg