Willem-Siebe

// Display WooCommerce shop, category and tag description also on next pages, see https://gist.github.com/Willem-Siebe/c883eeb2eefb5eea82ab.

function woocommerce_product_archive_description() {
	if ( is_post_type_archive( 'product' ) && get_query_var( 'paged' ) >= 0 ) {
		$shop_page   = get_post( wc_get_page_id( 'shop' ) );
		if ( $shop_page ) {
			$description = apply_filters( 'the_content', $shop_page->post_content );
			if ( $description ) {
				echo '<div class="page-description">' . $description . '</div>';
			}

apphp

This simple code demonstrates how to change automatically site language, according to the visitor's country. If you implement this script in your site it will open the page in the language of your visitor.
source: http://www.apphp.com/index.php?snippet=php-change-language-according-to-visitor-country

<?php
 
// prepare reload to local version according by first visit        
session_start();            
$location_reload = isset($_SESSION["loc_reload"]) ? (bool)$_SESSION["loc_reload"] : false;
// prepare reload to local version according by first visit
if(!$location_reload){

galbaras

function woo_seo_noindex_special_pages () {
    global $post;

    $woocommerce_pages = array('cart', 'checkout', 'order-received', 'order-tracking',
                               'my-account', 'logout', 'lost-password', 'mijireh-secure-checkout');
    $slug = get_post($post)->post_name;

    if (in_array($slug, $woocommerce_pages)) {
       echo '<meta name="robots" content="noindex,follow"/>' . "\n";
    }

vinacode

<?php
/**
 * Customer processing order email
 *
 * @author 		WooThemes
 * @package 	WooCommerce/Templates/Emails
 * @version     1.6.4
 */

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly ?>

BFTrick

<?php
/**
 * Plugin Name: WooCommerce Settings Tab Demo
 * Plugin URI: https://gist.github.com/BFTrick/b5e3afa6f4f83ba2e54a
 * Description: A plugin demonstrating how to add a WooCommerce settings tab.
 * Author: Patrick Rauland
 * Author URI: http://speakinginbytes.com/
 * Version: 1.0
 *
 * This program is free software: you can redistribute it and/or modify

corsonr

<?php
// Add WooCommerce customer username to edit/view order admin page
add_action( 'woocommerce_admin_order_data_after_billing_address', 'woo_display_order_username', 10, 1 );

function woo_display_order_username( $order ){

    global $post;
    
	$customer_user = get_post_meta( $post->ID, '_customer_user', true );
    echo '<p><strong style="display: block;">'.__('Customer Username').':</strong> <a href="user-edit.php?user_id=' . $customer_user . '">' . get_user_meta( $customer_user, 'nickname', true ) . '</a></p>';

corsonr

<?php

// Product Enquiry Form: send email to post author instead of Site Admin
add_filter( 'product_enquiry_send_to', 'wc_product_enquiry_to_author', 10, 2 );

function wc_product_enquiry_to_author( $email, $product_id ) {

    $post_author_id = get_post_field( 'post_author', $product_id );
    $post_author_email = get_the_author_meta( 'user_email', $post_author_id );

bavington

// Reorder Checkout Fields
add_filter('woocommerce_checkout_fields','reorder_woo_fields');
 
function reorder_woo_fields($fields) {
	$fields2['billing']['billing_email'] = $fields['billing']['billing_email'];
    $fields2['billing']['billing_first_name'] = $fields['billing']['billing_first_name'];
    $fields2['billing']['billing_last_name'] = $fields['billing']['billing_last_name'];
    $fields2['billing']['billing_country'] = $fields['billing']['billing_country'];
    $fields2['billing']['billing_address_1'] = $fields['billing']['billing_address_1'];
    $fields2['billing']['billing_address_2'] = $fields['billing']['billing_address_2'];

RadGH

<?php

// UPDATE: Stefan from Stack Overflow has explained a better way to handle cart item data.
// See http://stackoverflow.com/a/32327810/470480

// ----------------------

/*
Instructions:

75nineteen

<?php
/**
 * Customer new account email
 *
 * @author 	WooThemes
 * @package 	WooCommerce/Templates/Emails
 * @version     1.6.4
 */

// load customer data and user email into email template