Checks the plugins directory and retrieve all plugin files with plugin data.

Checks for “Network: true” in the plugin header to see if this should be activated only as a network wide plugin. The plugin…

Determines whether a plugin is active.

Determines whether the plugin is active for the entire network.

Determines whether the plugin is inactive.

Determines whether a plugin is technically active but was paused while loading.

Determines whether the plugin can be uninstalled.

Gets the URL to access a particular menu page based on the slug it was registered with.

Refreshes the value of the allowed options list available via the ‘allowed_options’ hook.

Renders an admin notice in case some plugins have been paused due to errors.