// assign values to the template
$this->assign($values);
- $invoiceSettings = CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::CONTRIBUTE_PREFERENCES_NAME,'contribution_invoice_settings');
+ $invoiceSettings = CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::CONTRIBUTE_PREFERENCES_NAME, 'contribution_invoice_settings');
$invoicing = CRM_Utils_Array::value('invoicing', $invoiceSettings);
$this->assign('invoicing', $invoicing);
if ($invoicing && isset($values['tax_amount'])) {