From:             [EMAIL PROTECTED]
Operating system: FreeBSD 4.6
PHP version:      4.2.3
PHP Bug Type:     Variables related
Bug description:  unset fails under certain conditions

global $myvar;
unset ($myvar);

// works.

-------------------

// ($unsetvar was set to "foo" somewhere in the script, and is global

global $unsetvar;
echo $unsetvar; // => "foo"

if($unsetvar == "foo") {
        echo "unsetting myvar";
        global $myvar;
        unset($myvar);
}

// this will echo "unsetting myvar" but NOT unset the variable!

// it seems the bug occurs when trying to use unset inside a structure
that is doing some kind of test on a variable brought into global scope
(even though the variable has the orrect value and the if statement
succeeds!). It's not the if statement, because if(1) works.

-- 
Edit bug report at http://bugs.php.net/?id=20534&edit=1
-- 
Try a CVS snapshot:         http://bugs.php.net/fix.php?id=20534&r=trysnapshot
Fixed in CVS:               http://bugs.php.net/fix.php?id=20534&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=20534&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=20534&r=needtrace
Try newer version:          http://bugs.php.net/fix.php?id=20534&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=20534&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=20534&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=20534&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=20534&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=20534&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20534&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=20534&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=20534&r=isapi

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