woocommerce_customer_default_location │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_customer_default_location', 'wp_kama_woocommerce_customer_default_location_filter' );

/**
 * Function for `woocommerce_customer_default_location` filter-hook.
 * 
 * @param  $default_location 
 *
 * @return 
 */
function wp_kama_woocommerce_customer_default_location_filter( $default_location ){

	// filter...
	return $default_location;
}

$default_location

-

Where the hook is called

$location                = wc_format_country_state_string( apply_filters( 'woocommerce_customer_default_location', $default_location ) );

Where the hook is used in WooCommerce