hiendnguyen

<?php 

/** Validate the extra register fields. */
function wooc_validate_extra_register_fields( $username, $email, $validation_errors ) {
	if ( isset( $_POST['billing_first_name'] ) && empty( $_POST['billing_first_name'] ) ) {
		$validation_errors->add( 'billing_first_name_error', __( 'What\'s your first name?', 'woocommerce' ) );
	}
	
	if (  isset( $_POST['billing_last_name'] ) && empty( $_POST['billing_last_name'] ) ) {
		$validation_errors->add( 'billing_last_name_error', __( 'What\'s your last name?', 'woocommerce' ) );

kirandash

<?php
/**
 * Gravity Forms Bootstrap Styles
 *
 * Applies bootstrap classes to various common field types.
 * Requires Bootstrap to be in use by the theme.
 *
 * Using this function allows use of Gravity Forms default CSS
 * in conjuction with Bootstrap (benefit for fields types such as Address).
 *