<?php

abstract class Modele
{
    private static $bdd;
	
    protected function executerRequete($sql, $params = null)
    {
        if ($params == null) {
            $resultat = self::getBdd()->query($sql);   // exécution directe
        }
        else {
            $resultat = self::getBdd()->prepare($sql); // requête préparée
            $resultat->execute($params);
        }
        return $resultat;
    }
    private static function getBdd()
    {
        if (self::$bdd === null) {
			$dsn = 'mysql:host=localhost;dbname=medicare;charset=utf8';
			$login = 'medicare';
			$mdp = '7198141973';
			
            self::$bdd = new PDO($dsn, $login, $mdp,
                    array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION));
        }
        return self::$bdd;
    }
	
    protected function dernierId()
    {
        return self::getBdd()->lastInsertId();
    }
}