Bug #78184 [NEW]: Fatal error caused after ini_set opcache.enabled to 0 and require_once

From: Date: Wed, 19 Jun 2019 16:01:00 +0000
Subject: Bug #78184 [NEW]: Fatal error caused after ini_set opcache.enabled to 0 and require_once
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-221397@lists.php.net to get a copy of this message
From:             rebsch at navigate-it-services dot de
Operating system: Ubuntu 18.04
PHP version:      7.2.19
Package:          opcache
Bug Type:         Bug
Bug description:Fatal error caused after ini_set opcache.enabled to 0 and require_once 

Description:
------------
Setup: apache + fpm
2 Files: test.php and require.php placed in the Document Root

If a file that was cached in the opcache is required after disabling the
opcache for the current request, php will produce a fatal error.

Using the code snippets below the bug can be triggered by calling the
URI /test.php followed by calling the URI /test.php?opcache

PHP 7.2.17 does not show this behaviour.


Test script:
---------------
// test.php
ini_set('display_errors', 'on');

if (array_key_exists('opcache', $_GET)) {
        ini_set('opcache.enable', 0);
}

require_once($_SERVER['DOCUMENT_ROOT'] . '/require.php');


// require.php
echo('success');

Expected result:
----------------
output should always be:

success

Actual result:
--------------
when the bug is actually triggered the result is:

Fatal error: require_once(): Failed opening required '[...]/require.php'
(include_path='.:/usr/share/php') in [...]/test.php on line 8

-- 
Edit bug report at https://bugs.php.net/bug.php?id=78184&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=78184&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=78184&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=78184&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=78184&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=78184&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=78184&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=78184&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=78184&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=78184&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=78184&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=78184&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=78184&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=78184&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78184&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=78184&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=78184&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=78184&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=78184&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=78184&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=78184&r=mysqlcfg



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