Private Access Private Access
This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.
Retrieve an array of must-use plugin files.
The default directory is wp-content/mu-plugins. To change the default directory manually, define
WPMU_PLUGIN_URL in wp-config.php.
(string) Array of absolute paths of files to include.