function do_exam()
{
$header = new header();
$header->lang('Làm bài test TOELF', 'toefl');
$this->load->view('toefl/exam/index');
$exam = $this->input->post();
$arr_true = $this->db->select('*')->from('toefl_reading')->get()->result_array();
$return_array = array();
foreach ($arr_true as $key) {
array_push($return_array, $key['id_sentence'] . "_" . $key['id_true']);
}
$data['arr_true'] = $return_array;
//start if
if ($exam['type'] == 'reading') {
switch ($exam['id']) {
case '1_1':
$data['title'] = '';
$this->load->view('toefl/exam/reading_1_1', $data);
break;
}
}
//end if
if ($exam['type'] == 'default_login') {
redirect('/');
}
}
