/**
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Overview
Namespaces
Classes
Source
Overview
Classes
SilverCommerce\Reports\Items
DiscountUsageItem
getInvoiceSubTotal
Introduction
Synopsis
Return
Source
SilverCommerce\Reports\Items\DiscountUsageItem::
getInvoiceSubTotal
Get the total number of invoices applicable for this report
Signature
public function getInvoiceSubTotal()
Returns
int