Bug #81431 [NEW]: header_register_calback no longer allows die() to stop executing outputting

From: Date: Sat, 11 Sep 2021 10:17:39 +0000
Subject: Bug #81431 [NEW]: header_register_calback no longer allows die() to stop executing outputting
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-236533@lists.php.net to get a copy of this message
From:             raoul_vanmaaren at live dot nl
Operating system: 
PHP version:      8.0.10
Package:          Output Control
Bug Type:         Bug
Bug description:header_register_calback no longer allows die() to stop executing outputting

Description:
------------
In PHP 8.0.0 - 8.0.10, a die statement within the
header_register_callback function will not prevent the trigger from
being outputted. In previous versions this was the case. 

This is with the standard settings.

I am not sure if this is caused by the performance upgrades and if this
is intended or not. However, I cannot find any documentation either.

Test script:
---------------
<?php
ob_start(); // make sure ob_level is set to 1

function callback()
{
    echo "In php 8.0.0 - 8.0.10, a die statement does prevent the
trigger from being outputted: ";
    die();
}
header_register_callback("callback");

ob_end_clean();
echo "Trigger.";
echo "Execution died before this echo statement.";

Expected result:
----------------
In php 8.0.0 - 8.0.10, a die statement does prevent the trigger from
being outputted: 

Actual result:
--------------
In php 8.0.0 - 8.0.10, a die statement does prevent the trigger from
being outputted: Trigger.

-- 
Edit bug report at https://bugs.php.net/bug.php?id=81431&edit=1
-- 
Fix committed:                    https://bugs.php.net/fix.php?id=81431&r=fixed
Fixed in release:                 https://bugs.php.net/fix.php?id=81431&r=alreadyfixed
Need backtrace:                   https://bugs.php.net/fix.php?id=81431&r=needtrace
Need Reproduce Script:            https://bugs.php.net/fix.php?id=81431&r=needscript
Try newer version:                https://bugs.php.net/fix.php?id=81431&r=oldversion
Not developer issue:              https://bugs.php.net/fix.php?id=81431&r=support
Expected behavior:                https://bugs.php.net/fix.php?id=81431&r=notwrong
Not enough info:                  https://bugs.php.net/fix.php?id=81431&r=notenoughinfo
Submitted twice:                  https://bugs.php.net/fix.php?id=81431&r=submittedtwice
register_globals:                 https://bugs.php.net/fix.php?id=81431&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=81431&r=phptooold
Daylight Savings:                 https://bugs.php.net/fix.php?id=81431&r=dst
IIS Stability:                    https://bugs.php.net/fix.php?id=81431&r=isapi
Install GNU Sed:                  https://bugs.php.net/fix.php?id=81431&r=gnused
Floating point limitations:       https://bugs.php.net/fix.php?id=81431&r=float
No Zend Extensions:               https://bugs.php.net/fix.php?id=81431&r=nozend
MySQL Configuration Error:        https://bugs.php.net/fix.php?id=81431&r=mysqlcfg


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