private function removeFourmi(Fourmi $fourmi)
{
$prepare = $this->pdo->prepare('DELETE FROM fourmi
WHERE id = :id');
$prepare->bindValue(':id', $fourmi->getId());
$exec = $prepare->execute();
if ($exec) {
unset($fourmi);
} else {
throw new \Exception('Fourmi not deleted', 12);
}
}
