WordPress is a free and open-source content management system (CMS) written in PHP and paired with a MySQL

Display an error message in the admin panel if a plugin is not activated in WordPress

As a WordPress theme developer, you may encounter situations where a plugin is required to use a particular functionality on a theme. In such cases, it's important to check if the required plugin is installed and activated. If the plugin is not installed, it is nice to display an error message to inform the user that the feature is not available and that the plugin needs to be installed.

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