[PHP-BUG] Req #72252 [NEW]: change unset() to return true if the variable existed, or false if it did not

[email protected] ("mvrk887 at hotmail dot com")
Newsgroups php.standards
Message-ID <[email protected]>
From:             mvrk887 at hotmail dot com
Operating system: 
PHP version:      Irrelevant
Package:          PHP Language Specification
Bug Type:         Feature/Change Request
Bug description:change unset() to return true if the variable existed, or false if it did not

Description:
------------
as in summary, would be nice to have to avoid unnecessary lookups in
userland


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Edit bug report at https://bugs.php.net/bug.php?id=72252&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=72252&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=72252&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=72252&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=72252&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=72252&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=72252&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=72252&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=72252&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=72252&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=72252&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=72252&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=72252&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=72252&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72252&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=72252&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=72252&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=72252&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=72252&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=72252&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=72252&r=mysqlcfg
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