public function grade_exam()
{
$exam_id = DB::escape($this->post->exam_id);
$howmany = DB::escape($this->post->howmany);
$exam_description = DB::escape($this->post->exam_description);
$passing = DB::escape($this->post->passing);
$version = DB::escape($this->post->version);
$i = 1;
$correct = 0;
$this->set('title', $exam_description);
$this->show('exams/exam_question_result_header');
while ($i <= $howmany) {
$id = 'question_id' . $i;
$question_id = DB::escape($this->post->{$id});
$id2 = 'question' . $i;
$answer = DB::escape($this->post->{$id2});
$cor = ExamsData::compare_answer($question_id, $answer);
if ($cor->correct_answer == $answer) {
Template::ClearVars($wrong);
$question = ExamsData::get_question($question_id);
$this->set('question', $question->question);
if ($question->correct_answer == '1') {
$this->set('answer', $question->answer_1);
} elseif ($question->correct_answer == '2') {
$this->set('answer', $question->answer_2);
} elseif ($question->correct_answer == '3') {
$this->set('answer', $question->answer_3);
} elseif ($question->correct_answer == '4') {
$this->set('answer', $question->answer_4);
}
$this->set('number', $i);
$this->set('div', 'success');
$this->show('exams/exam_question_result');
$correct++;
} else {
$question = ExamsData::get_question($question_id);
$this->set('question', $question->question);
if ($question->correct_answer == '1') {
$this->set('answer', $question->answer_1);
} elseif ($question->correct_answer == '2') {
$this->set('answer', $question->answer_2);
} elseif ($question->correct_answer == '3') {
$this->set('answer', $question->answer_3);
} elseif ($question->correct_answer == '4') {
$this->set('answer', $question->answer_4);
}
if ($answer == '1') {
$this->set('wrong', $question->answer_1);
} elseif ($answer == '2') {
$this->set('wrong', $question->answer_2);
} elseif ($answer == '3') {
$this->set('wrong', $question->answer_3);
} elseif ($answer == '4') {
$this->set('wrong', $question->answer_4);
}
$this->set('number', $i);
$this->set('div', 'error');
$this->show('exams/exam_question_result');
}
$i++;
}
$result = round($correct / $howmany * 100, 0);
if ($result >= $passing) {
$passfail = 1;
} else {
$passfail = 0;
}
$pid = Auth::$userinfo->pilotid;
$approve = ExamsData::get_setting_info('5');
if ($approve->value == '1') {
}
ExamsData::unassign_exam($pid, $exam_id);
ExamsData::record_results($pid, $exam_id, $exam_description, $result, $passfail, $version);
if ($result >= $passing) {
echo '<tr><td colspan="2"><br /><h4>You Passed With A ' . $result . '% On The Exam.</h4></td></tr>';
} else {
echo '<tr><td colspan="2"><br /><h4>You Did Not Pass The Exam.<br /> A ' . $passing . '% Is Required To Pass The Exam.<br />You Scored ' . $result . '%</h4></td></tr>';
}
echo '</table><br />';
echo '<form method="link" action="' . SITE_URL . '/index.php/Exams/view_profile">';
echo '<input type="submit" value="Return To Exam Center"></form>';
}
