ScottDeLuzio

remove_filter( 'woocommerce_default_address_fields', 'get_default_address_fields', 10, 1 );
add_filter( 'woocommerce_default_address_fields', 'updated_get_default_address_fields', 10, 1 );
function updated_get_default_address_fields() {
	global $woocommerce;
	$fields = array(
		'first_name' => array(
			'label'    => __( 'First Name', 'woocommerce' ),
			'required' => true,
			'class'    => array( 'form-row-first' ),
		),

logoscreative

<?php
/**
 * "Friendlier, Safer WordPress Admin Areas"
 * Presented by Cliff Seal at WordCamp Atlanta 2015 and Asheville 2016
 * Slides: http://www.slideshare.net/cliffseal/wp-admin
 *
 * Plugin Name: A Better Admin Experience
 * Plugin URI: http://evermoresites.com
 * Description: Cleans up and sanitizes the WordPress admin area
 * Version: 1.0

maxrice

<?php

// rename the "Have a Coupon?" message on the checkout page
function woocommerce_rename_coupon_message_on_checkout() {

	return 'Have a Promo Code?' . ' <a href="#" class="showcoupon">' . __( 'Click here to enter your code', 'woocommerce' ) . '</a>';
}
add_filter( 'woocommerce_checkout_coupon_message', 'woocommerce_rename_coupon_message_on_checkout' );

// rename the coupon field on the checkout page

ChromeOrange

/**
 * Remove postcode requirement if billing or shipping country is Ireland
 * Add to your theme functions.php file
 */

add_action( 'woocommerce_checkout_process', 'custom_country_check' );

function custom_country_check(){
  global $woocommerce;