prepare($sql);
$stmh->execute(); // SQL문장이 있고, 준비하고 실행 후 다음 명령어 예를 들어 FETCH_ASSC등을 사용할 수 있다.
$row = $stmh->fetch(PDO::FETCH_ASSOC);
$total = $row['ans1'] +$row['ans2'] +$row['ans3'] +$row['ans4'];
$ans1_percent=$row['ans1'] / $total * 100;
$ans2_percent=$row['ans2'] / $total * 100;
$ans3_percent=$row["ans3"] / $total * 100;
$ans4_percent=$row["ans4"] / $total * 100;
$ans1_percent=floor($ans1_percent);
$ans2_percent=floor($ans2_percent);
$ans3_percent=floor($ans3_percent);
$ans4_percent=floor($ans4_percent);
?>
설문조사