$invoice = new SI_Invoice();
$invoices = $invoice->retrieveSet("WHERE `timestamp` BETWEEN $start_date AND $end_date");
if($invoices === FALSE){
print("Error retreiving list of invoices!\n");
print($invoice->getLastError()."\n");
exit(3);
}
print("Exporting ".count($invoices)." invoices.\n");
foreach($invoices as $invoice){
if(!is_array($invoice->_lines) || count($invoice->_lines) == 0){
print("Skipping invoice {$invoice->id}.\n");
continue;
}
$pdf_file = $invoice->getPDF(FALSE);
if($pdf_file === FALSE){
print("Error creating PDF invoice.\n");
print($invoice->getLastError()."\n");
exit(4);
}
$filename = "invoice_".$invoice->id.'.pdf';
$fh = fopen($output_directory.DIRECTORY_SEPARATOR.$filename, 'w');
if($fh == false){
print("Error opening output file ".$output_directory.DIRECTORY_SEPARATOR.$filename." for writing.\n");
exit(5);
}
fwrite($fh, $pdf_file);
fclose($fh);
}