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Flush OPcache
<ul>
<li>creates a button in admin bar to flush OPcache</li>
<li>flush only files in WordPress absolute path</li>
<li>individual or bulk file invalidation</li>
<li>support both memory and file caching</li>
<li>support multisite</li>
</ul>
OPcache Statistics
<ul>
<li>memory, hits, strings and keys statistics</li>
<li>directives, functions and general informations</li>
<li>list all files</li>
<li>fully responsive</li>
</ul>
WP CLI ready
<ul>
<li>add flush-opcache command to flush cache with cli: <code>wp flush-opcache flush</code></li>
<li>don’t forget to add <code>opcache.enable_cli=1</code> to your PHP configuration</li>
</ul>
There are three tabs in admin page under Tools:
<ul>
<li>General settings: plugin settings</li>
<li>Statistics: responsive dashboard about OPcache statistics</li>
<li>Cached files: list of cached files with the possibility of invalidating them</li>
</ul>

WP OPcache

works great

Bast OPCache Manager for WordPress

Manage OPcache inside your WordPress admin dashboard.

Ashar Irfan

A plugin to add a button to flush permalinks in WordPress admin bar.
<h3>Usage</h3>
Just click on the Flush Permalinks button in the WordPress admin bar.

Flush Permalinks Button

A plugin to add a button to flush permalinks in WordPress admin bar.

WP OPcache vs Flush Permalinks Button