Zend FR

[lang=php]
<?php
namespace Bilanparmois\Model;

use Zend\ServiceManager\ServiceLocatorAwareInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
//ces imports permettent de valider les données entrées dans le formulaire d'ajout de operations
use Zend\InputFilter\Factory as InputFactory;
use Zend\InputFilter\InputFilter;
use Zend\InputFilter\InputFilterAwareInterface;
use Zend\InputFilter\InputFilterInterface;

//classe représentant chaque bilan stocké dans la table (1 ligne = 1 mois)
class Bilanparmois implements ServiceLocatorAwareInterface
{
//    public $Bilanparam;
    public $NumMois;
    public $TotalCreditMois;
    public $TotalDebitMois;
    public $SoldeMois;
    //protected $inputFilter;
    protected $services;
    
    public function setServiceLocator(ServiceLocatorInterface $serviceLocator)
    {
        $this->services = $serviceLocator;
    }
    
    public function getServiceLocator()
    {
        return $this->services;
    }
    
    public function exchangeArray($data)
    {
        $this->NumMois     = (isset($data['NumMois'])) ? $data['NumMois'] : null;
        $this->TotalCreditMois     = (isset($data['TotalCreditMois'])) ? $data['TotalCreditMois'] : null;
        $this->TotalDebitMois = (isset($data['TotalDebitMois'])) ? $data['TotalDebitMois'] : null;
        $this->SoldeMois = (isset($data['SoldeMois'])) ? $data['SoldeMois'] : null;
    }

    public function getArrayCopy()
    {
        return get_object_vars($this);
    }

    public function setInputFilter(InputFilterInterface $inputFilter)
    {
        throw new \Exception("Not used");
    }
   
    public function __construct($Nmois)
    {
        //accéder à la table Operation par operationTable
        $MesOperations = $this->getServiceLocator()->get('OperationTable'); //ligne 60
         $bilancredit = 0;
        $bilandebit = 0;
        $bilansolde = 0;
        //récupère la liste des opérations par mois pour credit et débit
        $credit = $MesOperations->CreditParMois($Nmois);
        $debit = $MesOperations->DebitParMois($Nmois);
        
        // pour chaque mois, calcul la somme des montants
        foreach ($credit as $row)
        {
            $bilancredit = $bilancredit + (float)$row->Montant;
        }
            
        foreach ($debit as $row)
        {
            $bilandebit = $bilandebit + (float)$row->Montant;
        }
            
        //calcule le solde
        $bilansolde = $bilancredit - $bilandebit;
        
        $this->NumMois = $Nmois;
        $this->TotalCreditMois = $bilancredit;
        $this->TotalDebitMois = $bilandebit;
        $this->SoldeMois = $bilansolde;
        
    }    
  
   
}