This filter is applied within the breadcrumb_navxt class in the wp_loaded() function. This filter was introduced in version 5.0. In 7.0, this filter was moved to the setup_setting_defaults() function and the array passed into the filter is now a settings (compliant with the mtekk/adminKit/setting interface) array instead of opts array. It receives one parameter:
- $settings – (array)(required) The settings array for Breadcrumb NavXT