更改Magento发票PDF标头

Question

I need to change the Magento default pdf Header from " Invoice n 201700009 - Invoice date 06/01/2017 " to " Receipt n 201700009 - Receipt date 06/01/2017 ".

I think that the file is the following:

/app/code/core/Mage/Sales/Model/Order/Pdf/Invoice.php

I have tried to replace the string 'invoice' on line 108:

$this->_beforeGetPdf();
$this->_initRenderer('invoice');

And the following string on line 133:

$this->insertDocumentNumber(
    $page,
    Mage::helper('sales')->__('Invoice # ') . $invoice->getIncrementId()
);

But nothing change in the printed invoice.

Answer 1

Found the solution. It was pretty easy, just override this inside:

code/local/Mage/Sales/Model/Order/Pdf/Invoice.php