/** * Get ecriture compta total * @param EPnr $pnr * @return number */ public function getPnrPayed(EPnr $pnr) { $cost = 0; foreach ($pnr->getEcritures() as $ecriture) { if ($ecriture->getCredit()) { $cost += $ecriture->getCredit(); } if ($ecriture->getDebit()) { $cost -= $ecriture->getDebit(); } } return $cost; }