customer object contains information about a customer who has a customer account.
Where and when is it defined
customer object is global in the sense that you can access it in all layout, template and snippet files. However, the object is only defined when a customer is logged-in. You can verify if a customer is logged-in with this code:
If one is able to view a store page that lives under /accounts then one is logged-in, therefore you don't need to check if
customer is defined in the templates /customers/account.liquid, /customers/order.liquid and /customers/addresses.liquid before you access the variable's attributes.
true if the customer accepts marketing, returns
false if the customer does not.
Returns an array of all addresses associated with a customer. See customer_address for a full list of available attributes.
Returns the number of addresses associated with a customer.
Returns the default customer_address.
Returns the email address of the customer.
Returns the first name of the customer.
true if the email associated with an order is also tied to a customer account. Returns
false if it is not. Helpful in email templates. In the theme, that will always be
Returns the id of the customer.
Returns the last name of the customer.
Returns the last order placed by the customer, not including test orders.
Returns the full name of the customer.
Returns an array of all orders placed by the customer.
Returns the total number of orders a customer has placed.
Returns the list of tags associated with the customer.
Returns the total amount spent on all orders.