質問編集履歴
1
問題のコードとDBのデータをを全て掲載しました
test
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商品一覧ページ(product.php)
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```
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```php
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<!DOCTYPE html>
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<html lang="ja">
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<?php
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$siteTitle = '商品ページ';
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?>
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<head>
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<meta charset="utf-8">
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<title>サイトタイトル</title>
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<meta name="description" content="ディスクリプションを入力">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="style.css">
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<!-- [if lt IE 9] -->
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<script src="https://code.jquery.com/jquery-3.6.0.min.js" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossorigin="anonymous"></script>
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<!-- [endif] -->
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<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>
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<script src="app.js"></script>
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<script src="fav.js"></script>
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</head>
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<body>
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<!----- header----->
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<header>
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<div class="logo">
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<a href="top.php">極楽<br>酒造</a>
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</div>
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<h1>
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<?php echo $siteTitle; ?>
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</h1>
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<div class="cart-box">カートを見る(<span id="cart-count">0</span>)</div>
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<?php
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require('function.php');
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$dbh = db_connect();
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$stmt = $dbh->prepare("SELECT id, category_name from category where big_flg=1 order by id");
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$stmt->execute();
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$results = $stmt->fetchAll(PDO::FETCH_ASSOC);
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?>
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<ul class="drop">
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<li><a href="top.php">HOME</a></li>
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<?php
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foreach($results as $rec){
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?>
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<li><?php echo $rec['category_name'];
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?>
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<ul class="drop_menu">
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<?php
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$sql = "SELECT id, category_name, big_id from category where big_flg=0 and big_id = :big_id order by id";
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$params = array(':big_id' => $rec['id']);
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$stmt2 = sql_exec($dbh, $sql, $params);
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$results2 = $stmt2->fetchAll(PDO::FETCH_ASSOC);
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foreach($results2 as $rec2){
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?>
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<li><a href="product.php?id=<?php echo $rec2['id']; ?>"><?php echo $rec2['category_name'];?></a></li>
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<?php
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}
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?>
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</ul>
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</li>
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<?php
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}
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?>
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</ul>
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</header>
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<!----- /header ----->
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<script>
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function checked_inspect(product_id) { //その商品がお気に入り登録されているかどうか確認する関数
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fav = $.cookie("fav_item") ? JSON.parse($.cookie("fav_item")) : [];
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console.log(fav);
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console.log(product_id);
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if (String(fav).indexOf(String(product_id)) > -1) {
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if (String(fav).indexOf(String(product_id)) > -1) {
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$('#sumi_'+product_id).text('登録');
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$('#sumi_' + product_id).text('登録');
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console.log('含まれている');
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console.log('#sumi_'+product_id);
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console.log('#sumi_' + product_id);
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} else {
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$('#sumi_'+product_id).text('済');
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$('#sumi_' + product_id).text('済');
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console.log('含まれていない');
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console.log('#sumi_'+product_id);
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console.log('#sumi_' + product_id);
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}
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}
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</script>
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<?php
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$siteTitle = '商品ページ';
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$category_id = $_GET['id'];
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$sql2 = "SELECT id, product_name, img_pass,product_price from product where category_id = :category_id order by id";
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$params = array(':category_id' => $category_id);
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$stmt3 = sql_exec($dbh, $sql2, $params);
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$results3 = $stmt3->fetchAll(PDO::FETCH_ASSOC);
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$number = 1;
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?>
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<!----- main ----->
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<div class="main">
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<table class="product-corner">
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<?php
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if(count($results3)>0){
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foreach($results3 as $rec3){
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?>
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<script>
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var product_id = <?php echo $rec3['id']; ?>;
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checked_inspect(product_id);
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</script>
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<?php
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if($number%3 == 1){
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?>
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<tr class="product-box">
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<?php
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}
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?>
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<td class="product-item">
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<img src="<?php echo $rec3['img_pass']; ?>" alt="" class="product-img">
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<span class="product-name">
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<?php echo $rec3['product_name'];
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?>
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</span>
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<span class="product-price">
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<?php echo '¥'.$rec3['product_price'].'(税込)';
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?>
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</span>
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<div class="info-box">
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<div id="<?php echo $rec3['id']; ?>" class="fav_button"><span class="__icon"></span><span class="__text">お気に入り<p id="sumi_<?php echo $rec3['id']; ?>"></p></span>
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</div>
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<button class="cart-in">
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<select name="cnt">
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<option value="1" selected>1</option>
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<option value="2">2</option>
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<option value="3">3</option>
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<option value="4">4</option>
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<option value="5">5</option>
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</select>
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カートに入れる
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</button>
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</div>
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</td>
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<?php
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if($number/3 == 0 || count($results3) == $number){
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?>
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</tr>
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<?php
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}
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$number = $number + 1;
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?>
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<?php
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}
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}else{
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echo '発売中の商品はありません。';
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}
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?>
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</table>
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</div>
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<!----- /main ----->
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354
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<!----- footer ----->
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356
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<footer>©︎gokurakusyuzou 2001-2021</footer>
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<!----- /footer ----->
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361
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</body>
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362
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363
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364
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</html>
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31
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```
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32
370
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33
371
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34
372
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373
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設定関係の処理をまとめたfunction.php
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374
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+
|
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35
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-
```h
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375
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+
```php
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376
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+
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36
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-
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377
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<?php
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378
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+
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379
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+
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380
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+
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37
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-
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381
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ini_set("log_errors", "On");
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382
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+
|
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38
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-
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383
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+
ini_set("error_log", "error.log");
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384
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+
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385
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+
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386
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+
|
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39
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-
|
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387
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+
session_save_path("/var/tmp");
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40
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-
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388
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+
|
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41
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-
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389
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ini_set('session.gc_maxlifetime',60*60*24*30);
|
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42
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-
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390
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+
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43
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-
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391
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ini_set('session.cookie_lifetime',60*60*24*30);
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392
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+
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44
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-
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393
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session_start();
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394
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+
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395
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session_regenerate_id();
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396
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+
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397
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398
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45
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-
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399
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+
// デバッグフラグ
|
|
400
|
+
|
|
401
|
+
$debug_flg = true;
|
|
402
|
+
|
|
403
|
+
// デバッグログ関数
|
|
404
|
+
|
|
405
|
+
function debug($str){
|
|
406
|
+
|
|
407
|
+
global $debug_flg;
|
|
408
|
+
|
|
409
|
+
if(!empty($debug_flg)){
|
|
410
|
+
|
|
411
|
+
error_log('デバッグ：'.$str);
|
|
412
|
+
|
|
413
|
+
}
|
|
414
|
+
|
|
415
|
+
}
|
|
416
|
+
|
|
417
|
+
|
|
418
|
+
|
|
419
|
+
define('DB_USERNAME', 'root');
|
|
420
|
+
|
|
421
|
+
define('DB_PASSWORD', 'root');
|
|
422
|
+
|
|
423
|
+
define('DSN', 'mysql:host=localhost; dbname=paradise; charset=utf8');
|
|
424
|
+
|
|
425
|
+
|
|
426
|
+
|
|
427
|
+
|
|
428
|
+
|
|
429
|
+
function db_connect(){
|
|
430
|
+
|
|
431
|
+
$dbh = new PDO(DSN, DB_USERNAME, DB_PASSWORD);
|
|
432
|
+
|
|
433
|
+
return $dbh;
|
|
434
|
+
|
|
435
|
+
}
|
|
436
|
+
|
|
437
|
+
|
|
438
|
+
|
|
439
|
+
function sql_exec($dbh,$query,$params){
|
|
440
|
+
|
|
441
|
+
$stmt = $dbh->prepare($query);
|
|
442
|
+
|
|
443
|
+
|
|
444
|
+
|
|
445
|
+
if(!$stmt->execute($params)){
|
|
446
|
+
|
|
447
|
+
debug('SQL実行に失敗しました');
|
|
448
|
+
|
|
449
|
+
debug('失敗したSQL:'.print_r($stmt,true));
|
|
450
|
+
|
|
451
|
+
return 0;
|
|
452
|
+
|
|
453
|
+
}
|
|
454
|
+
|
|
455
|
+
debug('SQL成功');
|
|
456
|
+
|
|
457
|
+
debug('成功したSQL:'.print_r($stmt,true));
|
|
458
|
+
|
|
459
|
+
return $stmt;
|
|
460
|
+
|
|
461
|
+
}
|
|
462
|
+
|
|
463
|
+
|
|
464
|
+
|
|
465
|
+
?>
|
|
46
466
|
|
|
47
467
|
```
|
|
48
468
|
|
|
49
469
|
|
|
50
470
|
|
|
471
|
+
ドロップダウンメニューと商品のデータ
|
|
472
|
+
|
|
473
|
+
```sql
|
|
474
|
+
|
|
475
|
+
-- テーブルの構造 `category`
|
|
476
|
+
|
|
477
|
+
--
|
|
478
|
+
|
|
479
|
+
|
|
480
|
+
|
|
481
|
+
CREATE TABLE `category` (
|
|
482
|
+
|
|
483
|
+
`id` int(11) NOT NULL,
|
|
484
|
+
|
|
485
|
+
`category_name` varchar(255) NOT NULL,
|
|
486
|
+
|
|
487
|
+
`big_flg` tinyint(1) NOT NULL DEFAULT '0',
|
|
488
|
+
|
|
489
|
+
`big_id` int(11) NOT NULL
|
|
490
|
+
|
|
491
|
+
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
|
492
|
+
|
|
493
|
+
|
|
494
|
+
|
|
495
|
+
--
|
|
496
|
+
|
|
497
|
+
-- テーブルのデータのダンプ `category`
|
|
498
|
+
|
|
499
|
+
--
|
|
500
|
+
|
|
501
|
+
|
|
502
|
+
|
|
503
|
+
INSERT INTO `category` (`id`, `category_name`, `big_flg`, `big_id`) VALUES
|
|
504
|
+
|
|
505
|
+
(1, '日本酒', 1, 0),
|
|
506
|
+
|
|
507
|
+
(2, 'ビール', 1, 0),
|
|
508
|
+
|
|
509
|
+
(3, 'おつまみ', 1, 0),
|
|
510
|
+
|
|
511
|
+
(4, 'コーヒー', 1, 0),
|
|
512
|
+
|
|
513
|
+
(5, '純米酒', 0, 1),
|
|
514
|
+
|
|
515
|
+
(6, '果実酒', 0, 1),
|
|
516
|
+
|
|
517
|
+
(7, '日本酒ギフト', 0, 1),
|
|
518
|
+
|
|
519
|
+
(9, '瓶ビール', 0, 2),
|
|
520
|
+
|
|
521
|
+
(10, '缶ビール', 0, 2),
|
|
522
|
+
|
|
523
|
+
(11, 'ビールギフト', 0, 2),
|
|
524
|
+
|
|
525
|
+
(12, 'エイヒレ', 0, 3),
|
|
526
|
+
|
|
527
|
+
(13, 'ウインナー', 0, 3),
|
|
528
|
+
|
|
529
|
+
(14, '奈良漬け', 0, 3),
|
|
530
|
+
|
|
531
|
+
(15, 'ボトルコーヒー', 0, 4),
|
|
532
|
+
|
|
533
|
+
(16, 'コーヒーギフト', 0, 4);
|
|
534
|
+
|
|
535
|
+
|
|
536
|
+
|
|
537
|
+
-- --------------------------------------------------------
|
|
538
|
+
|
|
539
|
+
|
|
540
|
+
|
|
541
|
+
--
|
|
542
|
+
|
|
543
|
+
-- テーブルの構造 `product`
|
|
544
|
+
|
|
545
|
+
--
|
|
546
|
+
|
|
547
|
+
|
|
548
|
+
|
|
549
|
+
CREATE TABLE `product` (
|
|
550
|
+
|
|
551
|
+
`id` int(11) NOT NULL,
|
|
552
|
+
|
|
553
|
+
`product_name` varchar(255) NOT NULL,
|
|
554
|
+
|
|
555
|
+
`category_id` int(11) NOT NULL,
|
|
556
|
+
|
|
557
|
+
`img_pass` varchar(255) NOT NULL,
|
|
558
|
+
|
|
559
|
+
`product_price` int(11) NOT NULL
|
|
560
|
+
|
|
561
|
+
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
|
|
562
|
+
|
|
563
|
+
|
|
564
|
+
|
|
565
|
+
--
|
|
566
|
+
|
|
567
|
+
-- テーブルのデータのダンプ `product`
|
|
568
|
+
|
|
569
|
+
--
|
|
570
|
+
|
|
571
|
+
|
|
572
|
+
|
|
573
|
+
INSERT INTO `product` (`id`, `product_name`, `category_id`, `img_pass`, `product_price`) VALUES
|
|
574
|
+
|
|
575
|
+
(1, '真野鶴', 5, 'http://localhost:8888/js_advance2/img/IMG_2870.jpeg', 500),
|
|
576
|
+
|
|
577
|
+
(2, '奈良漬け詰め合わせ（牛蒡と瓜）', 14, 'http://localhost:8888/js_advance2/img/IMG_4652.jpeg', 700),
|
|
578
|
+
|
|
579
|
+
(3, '福千歳', 7, 'http://localhost:8888/js_advance2/img/IMG_2906.jpeg', 600),
|
|
580
|
+
|
|
581
|
+
(4, '奈良漬詰め合わせ（西瓜ときゅうり）', 14, 'http://localhost:8888/js_advance2/img/IMG_4651.jpeg', 700),
|
|
582
|
+
|
|
583
|
+
(5, '櫻正宗', 5, 'http://localhost:8888/js_advance2/img/IMG_2946.jpeg', 500),
|
|
584
|
+
|
|
585
|
+
(6, '金亀漬', 14, 'http://localhost:8888/js_advance2/img/IMG_2812.jpeg', 500),
|
|
586
|
+
|
|
587
|
+
(7, '賀茂茄子の奈良漬け', 14, 'http://localhost:8888/js_advance2/img/IMG_6866.jpeg', 400);
|
|
588
|
+
|
|
589
|
+
```
|
|
590
|
+
|
|
591
|
+
|
|
592
|
+
|
|
51
|
-
console.logの内容が出力されていることからこのコードに到達していること
|
|
593
|
+
checked_inspectメソッド内のconsole.logの内容が出力されていることからこのコードに到達していること
|
|
52
594
|
|
|
53
595
|
console.logで出力したpタグのidでhtml部分を検索し、
|
|
54
596
|
|