woocommerce_countries_base_city │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_countries_base_city', 'wp_kama_woocommerce_countries_base_city_filter' );

/**
 * Function for `woocommerce_countries_base_city` filter-hook.
 * 
 * @param  $base_city 
 *
 * @return 
 */
function wp_kama_woocommerce_countries_base_city_filter( $base_city ){

	// filter...
	return $base_city;
}

$base_city

-

Where the hook is called

return apply_filters( 'woocommerce_countries_base_city', $base_city );

Where the hook is used in WooCommerce