woocommerce_process_checkout_(type)_field filter-hookWC 1.0

Usage

add_filter( 'woocommerce_process_checkout_(type)_field', 'wp_kama_woocommerce_process_checkout_type_field_filter' );

/**
 * Function for `woocommerce_process_checkout_(type)_field` filter-hook.
 * 
 * @param  $apply_filters 
 *
 * @return 
 */
function wp_kama_woocommerce_process_checkout_type_field_filter( $apply_filters ){

	// filter...
	return $apply_filters;
}
$apply_filters
-

Where the hook is called

WC_Checkout::get_posted_data()
woocommerce_process_checkout_(type)_field
woocommerce/includes/class-wc-checkout.php 722
$data[ $key ] = apply_filters( 'woocommerce_process_checkout_' . $type . '_field', apply_filters( 'woocommerce_process_checkout_field_' . $key, $value ) );

Where the hook is used in WooCommerce

Usage not found.