public function listar() { $agendaDAO = new AgendaDAO(); $eventos = $agendaDAO->listarEventos(); foreach ($eventos as $key => $evento) { foreach ($evento as $k => $v) { if (in_array($k, array("start", "end"))) { $eventos[$key][$k] = $data = date("Y-m-d\\TH:i:s", strtotime($v)); } } } echo json_encode(array("rows" => $eventos)); }