src/Forms/CountryDropdownField.php
public function getDefaultSource()
    {
        $source  = i18n::getData()->getCountries();
        $invalid = $this->config()->invalid_countries;
        
        return array_filter($source, function ($code) use ($invalid) {
            return !in_array($code, $invalid);
        }, ARRAY_FILTER_USE_KEY);
    }
public function getDefaultSource()
    {
        $source  = i18n::getData()->getCountries();
        $invalid = $this->config()->invalid_countries;
        
        return array_filter($source, function ($code) use ($invalid) {
            return !in_array($code, $invalid);
        }, ARRAY_FILTER_USE_KEY);
    }
public function getDefaultSource ( ) { $ source = i18n :: getData ( ) -> getCountries ( ) ; $ invalid = $ this -> config ( ) -> invalid_countries ; return array_filter ( $ source , function ( $ code ) use ( $ invalid ) { return ! in_array ( $ code , $ invalid ) ; } , ARRAY_FILTER_USE_KEY ) ; }
Answers the default source options for the receiver.

@return array
Answers the default source options for the receiver .