Bug #81166 [NEW]: "display_errors" php.ini is not normalized when set using ini_set

From: Date: Fri, 18 Jun 2021 09:02:22 +0000
Subject: Bug #81166 [NEW]: "display_errors" php.ini is not normalized when set using ini_set
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-234475@lists.php.net to get a copy of this message 
From:             m at m dot cz
Operating system: any 
PHP version:      8.0.7
Package:          PHP options/info functions
Bug Type:         Bug
Bug description:"display_errors" php.ini is not normalized when set using ini_set

Description:
------------
When "display_errors" php.ini option is set before startup (using
php.ini ocnfig or "-d" cli option), it is normlaized to "" or "1" (or
"stderr").

But when set using ini_set function, it is NOT normalized which makes
checking the real value/effect from user script very hard.

https://3v4l.org/cmhV1

Test script:
---------------
ini_set('display_errors', 'off');

var_dump(ini_get('display_errors'));

Expected result:
----------------
string(0) ""

Actual result:
--------------
string(3) "off"

-- 
Edit bug report at https://bugs.php.net/bug.php?id=81166&edit=1
-- 
Fix committed:                    https://bugs.php.net/fix.php?id=81166&r=fixed
Fixed in release:                 https://bugs.php.net/fix.php?id=81166&r=alreadyfixed
Need backtrace:                   https://bugs.php.net/fix.php?id=81166&r=needtrace
Need Reproduce Script:            https://bugs.php.net/fix.php?id=81166&r=needscript
Try newer version:                https://bugs.php.net/fix.php?id=81166&r=oldversion
Not developer issue:              https://bugs.php.net/fix.php?id=81166&r=support
Expected behavior:                https://bugs.php.net/fix.php?id=81166&r=notwrong
Not enough info:                  https://bugs.php.net/fix.php?id=81166&r=notenoughinfo
Submitted twice:                  https://bugs.php.net/fix.php?id=81166&r=submittedtwice
register_globals:                 https://bugs.php.net/fix.php?id=81166&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=81166&r=phptooold
Daylight Savings:                 https://bugs.php.net/fix.php?id=81166&r=dst
IIS Stability:                    https://bugs.php.net/fix.php?id=81166&r=isapi
Install GNU Sed:                  https://bugs.php.net/fix.php?id=81166&r=gnused
Floating point limitations:       https://bugs.php.net/fix.php?id=81166&r=float
No Zend Extensions:               https://bugs.php.net/fix.php?id=81166&r=nozend
MySQL Configuration Error:        https://bugs.php.net/fix.php?id=81166&r=mysqlcfg

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