Get an array of country code => country name pairs, altered by alter hooks.
array An array of country code => country name pairs.
Overrides CountryManagerInterface::getList
\Drupal\Core\Locale\CountryManager::getStandardList()
public function getList() {
// Populate the country list if it is not already populated.
if (!isset($this->countries)) {
$this->countries = static::getStandardList();
$this->moduleHandler
->alter('countries', $this->countries);
}
return $this->countries;
}