PHP :: Request #53356 :: Allow use function return value in write context

Request #53356

Allow use function return value in write context

Submitted:

2010年11月19日 15:50 UTC

Modified:

2015年04月06日 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:

CVE-ID:

None

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From:	lifinsky at yandex dot ru
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New/Additional Comment:

[2010年11月19日 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年03月27日 14:24 UTC] tyrael@php.net

-Status: Open +Status: Closed -Assigned To: +Assigned To: tyrael

[2015年03月27日 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年03月27日 14:30 UTC] nikic@php.net

-Status: Closed +Status: Re-Opened

[2015年03月27日 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年03月27日 15:43 UTC] nikic@php.net

Reverted to previous behavior in https://github.com/php/php-src/commit/c64f5e333269caf0bb0d67a06f8372cc47e249bf.

[2015年04月06日 09:30 UTC] tyrael@php.net

-Assigned To: tyrael +Assigned To: