If you use a hook to add or manipulate code, you can add your custom code to your theme functions.php file.
Here is a full list of hooks and filters used in WooCommerce, as well a the files in which they are called.
Removing breadcrums
remove_action( 'woocommerce_before_main_content','woocommerce_breadcrumb', 20, 0);
Removing product sorting options
remove_action( 'woocommerce_before_shop_loop', 'woocommerce_catalog_ordering', 30 );
Removing result count text
The texts that says (Showing x – x of x results).
remove_action( 'woocommerce_before_shop_loop', 'woocommerce_result_count', 20 );
Removing related products
remove_action( 'woocommerce_after_single_product_summary', 'woocommerce_output_related_products', 20 );
Removing single product meta (SKU, categories and tags)
remove_action('woocommerce_single_product_summary', 'woocommerce_template_single_meta', 40);
How to redirect to shop page after add to cart action
add_filter('add_to_cart_redirect', 'redirect_to_shop');
function redirect_to_shop() {
$checkout_url = get_permalink(woocommerce_get_page_id('shop'));
return $checkout_url;
}
Hide other shipping options when Free Shipping is available
If the code below does not work, try adding an item to your cart and retest. It may be a cache problem.
add_filter('woocommerce_package_rates', 'unset_shipping_when_free_is_available', 10, 2);
function unset_shipping_when_free_is_available($rates, $package) {
// Only unset rates if free_shipping is available
if (isset($rates['free_shipping'])) {
$free_shipping = $rates['free_shipping'];
$rates = array();
$rates['free_shipping'] = $free_shipping;
}
return $rates;
}
Reorder cart items alphabetically
add_action('woocommerce_cart_loaded_from_session', reorder_cart, 100);
function reorder_cart() {
global $woocommerce;
$products_in_cart = array();
foreach ($woocommerce->cart->cart_contents as $key => $item) {
$products_in_cart[$key] = $item['data']->get_title();
}
natsort($products_in_cart);
$cart_contents = array();
foreach ($products_in_cart as $cart_key => $product_title) {
$cart_contents[$cart_key] = $woocommerce->cart->cart_contents[$cart_key];
}
$woocommerce->cart->cart_contents = $cart_contents;
}
Change sale with percentage
add_filter('woocommerce_sale_flash', 'sale_price_use_percentage');
function sale_price_use_percentage() {
global $product;
$final_price = $product->price;
if ($final_price != $product->regular_price) {
$percentage = 100 - round(($final_price / $product->regular_price) * 100);
echo '<span class="onsale">-' . $percentage . '%</span>';
}
}