$is_plugin_installed $is_plugin_installed : boolean Public variable to state if supported plugin is installed on the child site. Type boolean — If supported plugin is installed, return true, if not, return false.
$instance $instance : mixed Public static variable to hold the single instance of the class. Type mixed — Default null
instance() instance() : mixed Method instance() Create a public static instance. Returns mixed — Class instance.
api_backups_mysqldump() api_backups_mysqldump() : void Create a backup of the database for the given child site.