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Bug #81425 exit being ignored in loops
Submitted: 2021-09-08 12:56 UTC Modified: 2021-09-08 14:05 UTC
From: Kai dot Habel at duofaktur dot de Assigned:
Status: Not a bug Package: *General Issues
PHP Version: 8.0.10 OS: Centos 8
Private report: No CVE-ID: None
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From: Kai dot Habel at duofaktur dot de
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 [2021-09-08 12:56 UTC] Kai dot Habel at duofaktur dot de 
Description:
------------
Prior to php 8.0 calls to exit or die worked within loops like foreach or switch.
Since 8.0 these statements are totally ignored and this is causing hours and hours of work to use a goto call to end processing in each and every php file.

Test script:
---------------
$a = 2;
switch($a)
{
    case 1:
        echo "1";
        exit;
        break;
    case 2:
        echo "2";
        exit;
        break;
    case 3:
        echo "3";
        exit;
        break;
}
echo "4";

Expected result:
----------------
1

Actual result:
--------------
14

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 [2021-09-08 12:58 UTC] girgias@php.net
-Status: Open +Status: Feedback
 [2021-09-08 12:58 UTC] girgias@php.net 
That's not true, see:
https://3v4l.org/WZFU1
 [2021-09-08 13:07 UTC] cmb@php.net 
Do you use uopz?
 [2021-09-08 13:10 UTC] Kai dot Habel at duofaktur dot de
-Status: Feedback +Status: Open
 [2021-09-08 13:10 UTC] Kai dot Habel at duofaktur dot de 
We do in fact have this issue and are working around this for 3 days now with multiple developers. OS : Centos 7, Remi-Safe Repo and Centos 7/8 Plesk Repo. All systems are running in this issue.
 [2021-09-08 13:24 UTC] Kai dot Habel at duofaktur dot de 
No, we are not using uopz
 [2021-09-08 13:41 UTC] sjon@php.net
-Status: Open +Status: Feedback
 [2021-09-08 13:41 UTC] sjon@php.net 
so what extensions do you use? I find it highly unlikely your Test script outputs `14` as reported (esp since $a=2). Can you try running with `php -n` to ensure you disable any extensions?
 [2021-09-08 13:53 UTC] Kai dot Habel at duofaktur dot de
-Status: Feedback +Status: Closed
 [2021-09-08 13:53 UTC] Kai dot Habel at duofaktur dot de 
Problem solved. For whatever reason uopz was installed. Removed it and problem was gone. Thanks a lot.
 [2021-09-08 14:05 UTC] cmb@php.net
-Status: Closed +Status: Not a bug
 [2021-09-08 14:05 UTC] cmb@php.net 
If you need uopz for your test suite, I suggest to set
uopz.exit=1[1], and to call uopz_allow_exit(false) in the test
suite's bootstrap.

[1] <https://www.php.net/manual/en/uopz.configuration.php#ini.uopz.exit>
 [2021-09-10 15:50 UTC] php at example dot org 
WTH is that crazy extension which disables exit by default? oO
 
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