#20676 [NEW]: Reinitialization of a reference

[alex_boyer]

From:             [EMAIL PROTECTED]
Operating system: All
PHP version:      4.2.3
PHP Bug Type:     Variables related
Bug description:  Reinitialization of a reference

I try to keep reference on all instances of a class. Even, unserialized
one.

<?php
class A {
    var $x=1;
    
    function __wakeup(){
        $GLOBALS['ref'] =& $this;
    }
}


function set(){
    //Serialize information
    $a =& new A();
    $a->x=2;
    $data = serialize($a);
    
    //Unserialize
    $b =& unserialize($data); // i try without '&'
    $result= $b === $GLOBALS['ref']; // $result == true;    
    echo "VALUE IN SET: {$b->x} \n"; // Echo 2
}

set();
echo "VALUE OUT SET: {$GLOBALS['ref']->x}\n"; //echo nothing,
$GLOBALS['ref'] is now NULL !
?>

I have read all docs, my eyes burns me but i really cannot understand. I
look in database too. 
-- 
Edit bug report at http://bugs.php.net/?id=20676&edit=1
-- 
Try a CVS snapshot:         http://bugs.php.net/fix.php?id=20676&r=trysnapshot
Fixed in CVS:               http://bugs.php.net/fix.php?id=20676&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=20676&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=20676&r=needtrace
Try newer version:          http://bugs.php.net/fix.php?id=20676&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=20676&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=20676&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=20676&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=20676&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=20676&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=20676&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=20676&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=20676&r=isapi