クーポンコードを使って割引率を決める
クーポンコードを使って割引率を決めたいのですが、discount2.phpの46行目とdescountForm2.phpの40行目のエラー該当箇所を見ても解決方法がわかりません。
htdocsの中にsaledata.phpとdiscountForm2.phpとdiscount2.phpとutil.phpが並列して入っています。
どなたかご教示頂けると幸いです。宜しくお願いします。
エラーコード
[27-Jul-2018 08:51:30 UTC] PHP Fatal error: Uncaught Error: Call to undefined function getCouponRate() in /Applications/MAMP/htdocs/discountForm2.php:40
Stack trace:
#0 {main}
thrown in /Applications/MAMP/htdocs/discountForm2.php on line 40
[27-Jul-2018 08:52:03 UTC] PHP Fatal error: Uncaught Error: Call to undefined function getCouponRate() in /Applications/MAMP/htdocs/discount2.php:46
Stack trace:
#0 {main}
thrown in /Applications/MAMP/htdocs/discount2.php on line 46
saledata.php
<php
//販売データ
$couponList = [ "nf23qw"=>0.75, "ha45as"=>0.8, "hf56zx"=>8.5];
$priceList = [ "ax101"=>2300, "ax102"=>2900];
function getCouponRate($code) {
global $couponList;
$isCouponCode = array_key_exists($code, $couponList);
if ($isCouponCode) {
return $couponList[$code];
} else {
return NULL;
}
}
function getPrice($id) {
global $priceList;
$isGoodsID = array_key_exists ($id, $priceList);
if ($isGoodsID) {
return $priceList[$id];
} else {
return NULL;
}
}
?>
discount2.php
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<title>金額の計算</title>
<link href=" ../../css/style.css" rel="stylesheet">
</head>
<body>
<div>
<?php
require_once("util.php");
if (!cken($_POST)) {
$encoding = mb_internal_encoding();
$err = "Encoding Error! The expected encoding is " . $encoding ;
exit($err);
}
$_POST = es($_POST);
?>
<?php
$errors = [];
if (isset($_POST[ 'couponCode' ])) {
$couponCode = $_POST[ 'couponCode' ];
} else {
$couponCode = "";
}
if (isset($_POST[ 'goodsID' ])) {
$goodsID = $_POST[ 'goodsID' ];
} else {
$goodsID = "";
}
?>
<?php
require_once("saledata.php");
$discount = getCouponRate($couponCode);
$tanka = getPrice($goodsID);
if (is_null($discount) || is_null($tanka)) {
$err = '<div class="error">不正な操作がありました。</div>';
exit($err);
}
?>
<?php
if(isset($_POST[ 'kosu' ])) {
$kosu = $_POST[ 'kosu' ];
if (!ctype_digit($kosu)) {
$errors[] = "個数は整数で入力して下さい。";
}
} else {
$errors[] = "個数が未設定";
}
?>
<?php
if (count($errors)>0) {
echo '<ol class="error">';
foreach ($errors as $value) {
echo "<li>" , $value , "</li>";
}
echo "</ol>";
} else {
$price = $tanka * $kosu;
$discount_price = floor($price * $discount);
$off_price = $price - $discount_price;
$off_per = (1- $discount)*100;
$tanka_fmt = number_format($tanka);
$discount_price_fmt = number_format($discount_price);
$off_price_fmt = number_format($off_price);
echo "単価:{$tanka_fmt}円、", "個数:{$kosu}個", "<br>";
echo "金額:{$discount_price_fmt}円", "<br>";
echo "(割引:-{$off_price_fmt}円、{$off_per}% OFF)", "<br>";
}
?>
<form method="POST" action="discountForm2.php">
<input type="hidden" name="kosu" value="<?php echo $kosu; ?>">
<ul>
<li><input type="submit" value="戻る" ></li>
</ul>
</form>
</div>
</body>
</html>
discountForm2.php
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<title>割引購入ページ</title>
<link href=" ../../css/style.css" rel="stylesheet">
</head>
<body>
<div>
<?php
require_once("util.php");
if (!cken($_POST)){
$encoding = mb_internal_encoding();
$err = "Encoding Error! The expected encoding is " . $encoding;
exit($err);
}
$_POST = es($_POST);
?>
<?php
if (isset($_POST[ 'kosu' ])) {
$kosu = $_POST[ 'kosu' ];
} else {
$kosu = "";
}
?>
<?php
require_once("saledata.php");
$couponCode = "ha45as";
$goodsID = "ax102";
$discount = getCouponRate($couponCode);
$tanka = getPrice($goodsID);
if (is_null($discount) || is_null($tanka)) {
$err = '<div class="error">不正な操作がありました。</div>';
exit($err);
}
?>
<?php
$off = (1 - $discount) * 100;
if ($discount>0) {
echo "<h2>このページでのご購入は{$off}% OFFになります！</h2>";
}
$tanka_fmt = number_format($tanka);
?>
<form method="POST" action="discount2.php">
<input type="hidden" name="couponCode" value="<?php echo $couponCode; ?>">
<input type="hidden" name="goodsID" value="<?php echo $goodsID; ?>">
<ul>
<li><label>単価:<?php echo $tanka_fmt; ?>円</label></li>
<li><label>個数:
<input type="number" name="kosu">
</label></li>
<li><input type="submit" value="計算する" ></li>
</ul>
</form>
</div>
</body>
</html>
