From: gustavoa at gmail dot com Operating system: Windows PHP version: 5.2.4 PHP Bug Type: Session related Bug description: Iterate over $_SESSION won't allow to unset its fields
Description: ------------ The following session is stored in my temp directory: old_var2|s:4:"foo2"; I try to iterate over the $_SESSION var (using foreach) to unset some session keys, in particular those who start with "old_" (see the attached code). But I can't. Besides, if after this iteration I try to modify the $_SESSION var nothing happens. I'm using IIS 5.1 (blame my boss). Reproduce code: --------------- session_start(); $prefix = 'old_'; foreach ($_SESSION as $key => $value) { if (substr($key, 0, 4) == $prefix) { unset($_SESSION[$key]); } } $_SESSION['var1'] = 'foo'; Expected result: ---------------- This change in the session file: var1|s:3:"foo"; Actual result: -------------- old_var2|s:4:"foo2"; -- Edit bug report at http://bugs.php.net/?id=42567&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=42567&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=42567&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=42567&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=42567&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=42567&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=42567&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=42567&r=needscript Try newer version: http://bugs.php.net/fix.php?id=42567&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=42567&r=support Expected behavior: http://bugs.php.net/fix.php?id=42567&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=42567&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=42567&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=42567&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42567&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=42567&r=dst IIS Stability: http://bugs.php.net/fix.php?id=42567&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=42567&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=42567&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=42567&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=42567&r=mysqlcfg