BMICalculator.php
<?php
session_start ();
if (isset ( $_SESSION ['result'] )) {
$result = $_SESSION ['result'];
$body_type = $_SESSION ['body_type'];
}
?>
<!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>BMI計算機</title>
<style type="text/css">
div.img-move a:hover {
position: relative;
top: -1px;
left: -1px;
}
div.img-move a:active {
position: relative;
top: 5px;
left: 5px;
}
</style>
</head>
<body>
<font color="#ff9933">
<h1>BMI計算機</h1>
</font>
<form action="BMICalculator_output.php" method="post">
<p>
身長:
<textarea rows="1" cols="3" name="height"></textarea>
cm
</p>
<p>
体重:
<textarea rows="1" cols="2" name="weight"></textarea>
kg
</p>
<input type="submit" value="BMI値計算" name="button1"> <input
type="submit" style="margin-left: 10px;" value="1日必要摂取カロリー計算"
name="button2"><input type="submit" style="margin-left: 10px;"
value="リセット" name="button3">
<p>
<input type="submit" value="一日に必要な食事量目安" name="button4">
</p>
</form>
<div class="img-move">
<a href="test08_mailform_input.php"><img src="contact_us.png" alt="contactus" /></a>
</div>
<p>
<b><font color="#4682B4">
<?php
if (isset ( $_SESSION ['result'] )) {
echo 'あなたのBMI値は<font color="red">', $result, '</font>です';
echo '</br><font color="red">', $body_type, '</font>';
}
?>
<?php
if (isset ( $_SESSION ['weight1'] )) {
$weight1 = $_SESSION ['weight1'];
function getCalorie($weight1) {
$resultCalorie = $weight1 * 25;
echo '</br>一日の必要摂取カロリーは<font color="red">', $resultCalorie, 'kcal</font>です';
}
getCalorie ( $weight1 );
}
?>
</font></b>
<?php
if (isset ( $_SESSION ['picture'] )) {
$picture = $_SESSION ['picture'];
echo $picture;
}
?>
</p>
</body>
</html>
BMICalculator_output.php
<?php
session_start ();
$height = $_POST ['height'];
$weight = $_POST ['weight'];
if (isset ( $_POST ['button1'] ) && ! empty ( $height ) && ! empty ( $weight )) {
function getBmi($weight, $height) {
$height = $height * 0.01;
$bmi = $weight / ($height * $height);
return floor ( $bmi );
}
$result = getBmi ( $weight, $height );
$_SESSION ['result'] = $result;
switch ($result) {
case $result >= 20 && $result <= 21 :
$body_type = '少し太っています';
break;
case $result >= 18 && $result <= 19 :
$body_type = 'モデル並(理想的)です';
break;
case $result <= 17 :
$body_type = '痩せています';
break;
default :
$body_type = '太っています';
break;
}
$_SESSION ['body_type'] = $body_type;
unset ( $_SESSION ['weight1'] );
unset ( $_SESSION ['picture'] );
}
if (isset ( $_POST ['button2'] ) && ! empty ( $weight )) {
$_SESSION ['weight1'] = $weight;
unset ( $_SESSION ['result'] );
unset ( $_SESSION ['picture'] );
}
if (isset ( $_POST ['button3'] )) {
$_SESSION = array ();
session_destroy ();
}
if (isset ( $_POST ['button4'] ) && ! isset ( $_SESSION ['picture'] )) {
$picture = '<img src="guide_title_cut08.gif">';
$_SESSION ['picture'] = $picture;
} else if (isset ( $_POST ['button4'] ) && isset ( $_SESSION ['picture'] )) {
unset ( $_SESSION ['picture'] );
}
header ( 'Location:BMICalculator.php' );
?>