#29429 [NEW]: unset( $GLOBALS['foo']); unset only global variable, not variables that REFERED

From: kingoleg at mail dot ru Operating system: All PHP version: 4.3.8 PHP Bug Type: Scripting Engine problem Bug description: unset( $GLOBALS['foo']); unset only global variable, not variables that REFERED Description: ------------ unset( $GLOBALS['foo']); unset only global variable, not variables that REFERED to global variable How we can unset global variable with all referenced variable using unset() function? Do we must user assign to null? Reproduce code: --------------- <?php function a( &$foo) { $foo = 'ok'; b( $foo); var_dump( $foo); } function b( &$foo) { $foo = 'not ok'; unset( $GLOBALS['foo']); } global $foo; $foo = 'global'; a($foo); var_dump( $foo); ?> Expected result: ---------------- NULL NULL Actual result: -------------- string(6) "not ok" NULL -- Edit bug report at http://bugs.php.net/?id=29429&edit=1 -- Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=29429&r=trysnapshot4 Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=29429&r=trysnapshot5 Fixed in CVS: http://bugs.php.net/fix.php?id=29429&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=29429&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=29429&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=29429&r=needscript Try newer version: http://bugs.php.net/fix.php?id=29429&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=29429&r=support Expected behavior: http://bugs.php.net/fix.php?id=29429&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=29429&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=29429&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=29429&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=29429&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=29429&r=dst IIS Stability: http://bugs.php.net/fix.php?id=29429&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=29429&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=29429&r=float