WordPress at a glance
filter is not described

woocommerce_get_country_locale_base filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_get_country_locale_base', 'filter_function_name_5308' );
function filter_function_name_5308( $locale_default ){
	// filter...

	return $locale_default;
}
$locale_default
-

Where the hook is called

WC_Countries::get_country_locale()
woocommerce_get_country_locale_base
woocommerce/includes/class-wc-countries.php 1447
$this->locale['default']                   = apply_filters( 'woocommerce_get_country_locale_base', $this->locale['default'] );
woocommerce/includes/class-wc-countries.php 1448
$this->locale[ $this->get_base_country() ] = apply_filters( 'woocommerce_get_country_locale_base', $this->locale[ $this->get_base_country() ] );

Where in WP core the hook is used WooCommerce

Usage not found.