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Request #53356 Allow use function return value in write context
Submitted: 2010-11-19 15:50 UTC Modified: 2015-04-06 09:30 UTC
Votes:2
Avg. Score:4.0 ± 1.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:1 (50.0%)
From: lifinsky at yandex dot ru Assigned:
Status: Re-Opened Package: Scripting Engine problem
PHP Version: 5.3.3 OS:
Private report: No CVE-ID: None
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From: lifinsky at yandex dot ru
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 [2010-11-19 15:50 UTC] lifinsky at yandex dot ru 
Description:
------------
Allow use function return value in write context if this function return value by reference (Such as c or c++)

Test script:
---------------
function &test() {
	static $a = 0;
	return $a;
}

print(++test());
print(++test());
print(++test());


Expected result:
----------------
123

Actual result:
--------------
Fatal error

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 [2015-03-27 14:24 UTC] tyrael@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: tyrael
 [2015-03-27 14:24 UTC] tyrael@php.net 
The fix for this bug has been committed.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.

 For Windows:

http://windows.php.net/snapshots/
 
Thank you for the report, and for helping us make PHP better.

this will be supported in php7 as you can see here: http://3v4l.org/lCOIR
 [2015-03-27 14:30 UTC] nikic@php.net
-Status: Closed +Status: Re-Opened
 [2015-03-27 14:30 UTC] nikic@php.net 
That change was not intentional and we may want to revert it. Especially given how it currently allows you to write this even if the function does not return by reference.
 [2015-03-27 15:43 UTC] nikic@php.net 
Reverted to previous behavior in https://github.com/php/php-src/commit/c64f5e333269caf0bb0d67a06f8372cc47e249bf.
 [2015-04-06 09:30 UTC] tyrael@php.net
-Assigned To: tyrael +Assigned To:
 
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