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Bug #31688 Assignment by reference to a static variable doesn't work properly
Submitted: 2005-01-25 15:04 UTC Modified: 2005-01-25 15:22 UTC
From: mike at somosis dot co dot uk Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 4.3.10 OS: FreeBSD (experienced on others)
Private report: No CVE-ID: None
View Developer Edit
 [2005-01-25 15:04 UTC] mike at somosis dot co dot uk 
Description:
------------
Static variables that are assigned to by reference in a function lose the assignment when the function terminates.

Reproduce code:
---------------
function a(&$v, $s) {
	static $x;

	if($s)
		$x =& $v;
	
	print("\$x in a: {$x}<br />\n");
}

$c = 1;

a($c, true);
a($c, false);


Expected result:
----------------
$x in a: 1
$x in a: 1


Actual result:
--------------
$x in a: 1
$x in a:

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 [2005-01-25 15:22 UTC] sniper@php.net 
RTFM:

http://www.php.net/variables.scope
"..assigning a reference to a static variable, it's not remembered.."

Last example in the page.
 
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