Dmytro

OpCache Monitor and Reset adds a dedicated Tools screen for WordPress administrators to:
<ul>
<li>Inspect OPcache runtime status and key performance metrics.</li>
<li>Review memory usage, restart counters, and JIT status.</li>
<li>Clear OPcache safely via AJAX without leaving wp-admin.</li>
<li>See an automatic admin notice after plugin updates when OPcache is reset.</li>
</ul>
This plugin is designed for environments where PHP OPcache is enabled.

OpCache Monitor and Reset

Clears OPcache automatically on plugin updates and lets admins inspect and clear OPcache from Tools -> OpCache Monitor and Reset.

Daisuke Takahashi

Are you experiencing the problem using WordPress with OPcache? It may occur after Upgrading Core/Plugin/Theme. 
This plugin reset all cache after upgrading so that you don’t have to see “Please update!” repeatedly.
<h3>Notice</h3>
<ul>
<li>All of this plugin’s feature is included in <a href="https://wordpress.org/plugins/opcache/" rel="ugc">OPcache Dashboard</a>. 
If we detected it is activated, this will be automatically deactivated to avoid conflict.</li>
<li>Important: To use this plugin, check following.
<ol>
<li>PHP 5.5 or later, Did you compile PHP with –enable-opcache option?</li>
<li>PHP 5.4 or earlier, Did you installed PECL ZendOpcache?</li>
<li>If not, please see <a href="http://php.net/book.opcache" rel="nofollow ugc">this document</a> and enable/install OPcache.</li>
</ol>
</li>
</ul>
<h3>License</h3>
<ul>
<li>Copyright (c) 2012-2014 <a href="http://www.extendwings.com/" rel="nofollow ugc">Daisuke Takahashi(Extend Wings)</a></li>
<li>Portions (c) 2010-2012 Web Online.</li>
<li>Unless otherwise stated, all files in this repo is licensed under GNU AFFERO GENERAL PUBLIC LICENSE, Version 3. See LICENSE file.</li>
</ul>

WP OPcache Patch

Improve OPcache compatibility with WordPress

OpCache Monitor and Reset vs WP OPcache Patch