8 calls to _invoice_get_variable() in Invoice 6

invoice_delete_item in ./invoice_ajax.inc

Delete an invoice item

invoice_form in ./invoice_form.inc

Implementatin of node_form()

invoice_invoices in ./invoice.module

Overview of all invoices

invoice_load in ./invoice.module

Implementation of hook_load()

invoice_save_item in ./invoice_ajax.inc

Add an invoice item

invoice_settings_form in ./invoice_form.inc

Invoice settings form

invoice_set_template in ./invoice_ajax.inc

Set the chosen invoice when creating a node

_invoice_default_get_template_output in templates/default.inc

Function to create the invoice layout