Bug #76194 [NEW]: built-in function include_once bug with opcache ext open

From: Date: Sun, 08 Apr 2018 03:21:50 +0000
Subject: Bug #76194 [NEW]: built-in function include_once bug with opcache ext open
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-214643@lists.php.net to get a copy of this message
From:             415401620 at qq dot com
Operating system: Ubuntu 16.04 LTS
PHP version:      7.1.16
Package:          opcache
Bug Type:         Bug
Bug description:built-in function include_once bug with opcache ext open

Description:
------------
1. My php.ini file for opcache is the default configuration.
2. Bug description:
When I use include_once to load a config.php file I found that if I
delete and recreate the new config.php file.It will not load the current
file and include_once return false.But,it don not load the current file
correctly either.
I use this test script to show what I mean.

There are test steps:

- create a test.php in your web server root path.
- access the test.php with browser
- see the output for get_included_files,it will be :

Array ( [0] => /home/vaxilicaihouxian/codes/php/ect/eastsea.app/test.php
) 123Array ( [0] =>
/home/vaxilicaihouxian/codes/php/ect/eastsea.app/test.php [1] =>
/tmp/abc.php )

- access the test.php with browser again,the output will be:

123

- remove the /tmp/abc.php with command rm -f /tmp/abc.php
- access the test.php with browser finally and the output is:

Array ( [0] => /home/vaxilicaihouxian/codes/php/ect/eastsea.app/test.php
[1] => /tmp/abc.php ) Array ( [0] =>
/home/vaxilicaihouxian/codes/php/ect/eastsea.app/test.php [1] =>
/tmp/abc.php )

3. Why there is the /tmp/abc.php in the finally output array of
get_included_files() .It dose not exits but has been included with
include_once.
So the second include_once will not work to include my new generating
config.php.



Test script:
---------------
<?php
if(!@include_once('/tmp/abc.php')){
    print_r(get_included_files());
    swritefile('/tmp/abc.php','<?php echo 123;');
    include('/tmp/abc.php');
    print_r(get_included_files());
}

function swritefile($filename, $writetext, $openmod='w')
{
    if (@$fp = fopen($filename, $openmod)) {

        flock($fp, 2);

        fwrite($fp, $writetext);

        fclose($fp);

        return true;

    }
}

Expected result:
----------------
It should load the new generating file correctly and not ignore by the
first include_once function.

Actual result:
--------------
The second include_once function ignore the config file.

-- 
Edit bug report at https://bugs.php.net/bug.php?id=76194&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=76194&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=76194&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=76194&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=76194&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=76194&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=76194&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=76194&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=76194&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=76194&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=76194&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=76194&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=76194&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=76194&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76194&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=76194&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=76194&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=76194&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=76194&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=76194&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=76194&r=mysqlcfg



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