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Bug #71621 opcache_reset sometimes returns false
Submitted: 2016-02-18 08:44 UTC Modified: -
Votes:8
Avg. Score:4.4 ± 1.0
Reproduced:7 of 7 (100.0%)
Same Version:1 (14.3%)
Same OS:4 (57.1%)
From: sts at ono dot at Assigned:
Status: Open Package: opcache
PHP Version: 5.6.18 OS: Debian/Jessie
Private report: No CVE-ID: None
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 [2016-02-18 08:44 UTC] sts at ono dot at
Description:
------------
There seems to be a race condition under which opcache_reset() returns false, although the opcache extension is loaded.

Make sure the opcache extension is loaded. Create the Test script on a webserver and call it a couple of times. In most cases it will return true, but sometimes it returns false.

Please note I reproduced this on a server where requests are actually coming in.

This also happens during our deployment, where we call opcache_reset() only once. It also happened among projects with different codebases (Laravel, ZF, self coded), so it doesn't seem to be related to our code. 

Test script:
---------------
<?php echo opcache_reset();


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 [2016-05-17 03:57 UTC] detailyang at gmail dot com
hey, guys.
I make a bet, you havent check opcache status before. So reset code as follow if you can:
    $opcache_status = opcache_get_status();
    if (isset($opcache_status["opcache_enabled"]) && !$opcache_status["opcache_enabled"]) {
        echo "opcache empty, so skip it";
        exit(0);
    }

    // now you can reset opcache


have a fun to you:)
 [2019-08-05 15:15 UTC] mail at franek dot fr
Able to reproduce on CentOS 7 with:
PHP 7.3.8 (cli) (built: Jul 30 2019 09:26:16) ( NTS )
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Zend Engine v3.3.8, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.3.8, Copyright (c) 1999-2018, by Zend Technologies
 
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Last updated: Wed Nov 25 18:01:24 2020 UTC