■入力画面
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xm1ns="http://www.w3.org/1999/xhtml">
<html lang="ja">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="Content-Script-Type" content="text/javascript">
<title>PHP入門</title>
</head>
<body>
<form action="test05_output.php" method="post">
<p>
<textarea rows="1" cols="2" name="area1"></textarea>
+<input type="radio" name="calculate" value="plus"> -<input
type="radio" name="calculate" value="minus"> ÷<input type="radio"
name="calculate" value="divide"> ×<input type="radio"
name="calculate" value="multiply">
<textarea rows="1" cols="2" name="area2"></textarea>
</p>
<input type="submit" value="送信">
</body>
</html>
■結果画面
<?php
$area1 = $_POST ["area1"];
$area2 = $_POST ["area2"];
$calculation = $_POST ["calculate"];
switch ($calculation) {
case "plus" :
$calculation = $area1 + $area2;
break;
case "minus" :
$calculation = $area1 - $area2;
break;
case "divide" :
$calculation = $area1 / $area2;
break;
default :
$calculation = $area1 * $area2;
break;
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xm1ns="http://www.w3.org/1999/xhtml">
<html lang="ja">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="Content-Script-Type" content="text/javascript">
<title>PHP入門</title>
</head>
<body>
<?php echo $calculation;?>
</body>
</html>
■実行結果
