woocommerce_address_to_edit │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_address_to_edit', 'wp_kama_woocommerce_address_to_edit_filter', 10, 2 );

/**
 * Function for `woocommerce_address_to_edit` filter-hook.
 * 
 * @param  $address      
 * @param  $load_address 
 *
 * @return 
 */
function wp_kama_woocommerce_address_to_edit_filter( $address, $load_address ){

	// filter...
	return $address;
}

$address

-

$load_address

-

Where the hook is called

'address'      => apply_filters( 'woocommerce_address_to_edit', $address, $load_address ),

Where the hook is used in WooCommerce

add_filter( 'woocommerce_address_to_edit', array( $this, 'edit_address_fields' ), 10, 2 );