Useful core functions
WooCommerce core functions are available on both front-end and admin. They can be found in includes/wc-core-functions.php and can be used by themes in plugins.
Conditional Functions
WooCommerce conditional functions help determine the current query/page.
is_woocommerce
Returns true if on a page which uses WooCommerce templates (cart and checkout are standard pages with shortcodes and thus are not included).
is_woocommerce()
is_shop
Returns true when viewing the product type archive (shop).
is_shop()
is_product
Returns true when viewing a single product.
is_product()
Coupon Functions
wc_get_coupon_code_by_id
Get coupon code by coupon ID.
wc_get_coupon_code_by_id( $id )
The argument $id is the coupon ID.
wc_get_coupon_id_by_code
Gets the coupon ID by code.
wc_get_coupon_id_by_code( $code, $exclude = 0 )
$code is the coupon code and $exclude is to exclude an ID from the check if you're checking existence.
User Functions
wc_customer_bought_product
Checks if a customer has bought an item. The check can be done by email or user ID or both.
wc_customer_bought_product( $customer_email, $user_id, $product_id )
wc_get_customer_total_spent
Gets the total spent for a customer.
wc_get_customer_total_spent( $user_id )
$user_id is the user ID of the customer.
wc_get_customer_order_count
Gets the total orders for a customer.
wc_get_customer_order_count( $user_id )
$user_id is the user ID of the customer.
Formatting Functions
wc_get_dimension
Takes a measurement $dimension measured in WooCommerce's dimension unit and converts it to the target unit $to_unit.
wc_get_dimension( $dimension, $to_unit, $from_unit = '' )
Example usages:
wc_get_dimension( 55, 'in' );
wc_get_dimension( 55, 'in', 'm' );
wc_get_weight
Takes a weight $weight weighed in WooCommerce's weight unit and converts it to the target weight unit $to_unit.
wc_get_weight( $weight, $to_unit, $from_unit = '' )
Example usages:
wc_get_weight( 55, 'kg' );
wc_get_weight( 55, 'kg', 'lbs' );
wc_clean
Clean variables using sanitize_text_field. Arrays are cleaned recursively. Non-scalar values are ignored.
wc_clean( $var )
wc_price
Formats a passed price with the correct number of decimals and currency symbol.
wc_price( $price, $args = array() )
The $args array has an option called ex_tax_label - if true then an excluding tax message will be appended.
Order Functions
wc_get_orders
This function is the standard way of retrieving orders based on certain parameters. This function should be used for order retrieval so that when we move to custom tables, functions still work.
wc_get_orders( $args )
wc_get_order
This is the main function for returning orders, uses the WC_Order_Factory class.
wc_get_order( $the_order = false )
The the_order parameter can be a post object or post ID of the order.
wc_orders_count
Returns the orders count of a specific order status.
wc_orders_count( $status, string $type = '' )
wc_order_search
Searches orders based on the given $term.
wc_order_search( $term )
Page Functions
wc_get_page_id
Gets a WooCommerce page ID by name, e.g. thankyou
wc_get_page_id( $page )
wc_get_endpoint_url
Gets the URL for an $endpoint, which varies depending on permalink settings.
wc_get_endpoint_url( $endpoint, $value = '', $permalink = '' )
Product Functions
wc_get_products
This function is the standard way of retrieving products based on certain parameters.
wc_get_products( $args )
wc_get_product
This is the main function for returning products. It uses the WC_Product_Factory class.
wc_get_product( $the_product = false )
The argument $the_product can be a post object or post ID of the product.
wc_get_product_ids_on_sale
Returns an array containing the IDs of the products that are on sale.
wc_get_product_ids_on_sale()
wc_get_featured_product_ids
Returns an array containing the IDs of the featured products.
wc_get_featured_product_ids()
wc_get_related_products
Gets the related products for product based on product category and tags.
wc_get_related_products( $product_id, $limit = 5, $exclude_ids = array() )
Account Functions
wc_get_account_endpoint_url
Gets the account endpoint URL.
wc_get_account_endpoint_url( $endpoint )
Attribute Functions
wc_get_attribute_taxonomies
Gets the taxonomies of product attributes.
wc_get_attribute_taxonomies()
wc_attribute_taxonomy_name
Gets the taxonomy name for a given product attribute.
wc_attribute_taxonomy_name( $attribute_name )
wc_attribute_taxonomy_id_by_name
Gets a product attribute ID by name.
wc_attribute_taxonomy_id_by_name( $name )
REST Functions
wc_rest_prepare_date_response
Parses and formats a date for ISO8601/RFC3339.
wc_rest_prepare_date_response( $date, $utc = true )
Pass $utc as false to get local/offset time.
wc_rest_upload_image_from_url
Uploads an image from a given URL.
wc_rest_upload_image_from_url( $image_url )
wc_rest_urlencode_rfc3986
Encodes a $value according to RFC 3986.
wc_rest_urlencode_rfc3986( $value )
wc_rest_check_post_permissions
Checks permissions of posts on REST API.
wc_rest_check_post_permissions( $post_type, $context = 'read', $object_id = 0 )
The available values for $context which is the request context are read, create, edit, delete and batch.