src/Invoice/Completor.php
protected function getInvoiceDate()
    {
        $date = !empty($this->invoice[Tag::Customer][Tag::Invoice][Tag::IssueDate]) ? $this->invoice[Tag::Customer][Tag::Invoice][Tag::IssueDate] : date(API::DateFormat_Iso);
        return $date;
    }
protected function getInvoiceDate()
    {
        $date = !empty($this->invoice[Tag::Customer][Tag::Invoice][Tag::IssueDate]) ? $this->invoice[Tag::Customer][Tag::Invoice][Tag::IssueDate] : date(API::DateFormat_Iso);
        return $date;
    }
protected function getInvoiceDate ( ) { $ date = ! empty ( $ this -> invoice [ Tag :: Customer ] [ Tag :: Invoice ] [ Tag :: IssueDate ] ) ? $ this -> invoice [ Tag :: Customer ] [ Tag :: Invoice ] [ Tag :: IssueDate ] : date ( API :: DateFormat_Iso ) ; return $ date ; }
Returns the invoice date in the iso yyyy-mm-dd format.

@return string
The invoice dae in the iso yyyy-mm-dd format.
Returns the invoice date in the iso yyyy - mm - dd format .