Admin tools: Opcache management
For performance reasons, Moodle should always be run with the Opcache PHP extension enabled. Unfortunately, PHP Opcache is kind of a black box and doesn't provide a management interface by default.
Luckily, there are some free Opcache management GUIs out there with Opcache-GUI by Andrew Collington (https://github.com/amnuts/opcache-gui) being the best-looking one. As a Moodle server administrator, can just throw Opcache-GUI's single index.php file somewhere onto your Moodle server and get a Opcache management GUI instantly. However, this approach requires that you protect the Opcache-GUI from unauthorized access manually in your webserver and comes with the downside that Opcache-GUI is located outside Moodle.
For these reasons, we have packaged Opcache-GUI as a very simple Moodle admin tool providing it within Moodle site adminstration for Moodle administrators only.
Please see README file for details about the usage and features of this plugin.
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