回答編集履歴
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追記
test
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@@ -23,3 +23,405 @@
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↑ 第4引数を設定しましょう。
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---
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# サンプル
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すぐに理解は難しいかもしれませんが、ざっくりと動きがわかればOKかと。
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```php
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<?php
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/**
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* common.php
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*
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* @author Kosuke Shibuya <kosuke@jlamp.net>
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* @since 2018/09/04
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*/
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function h($string)
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{
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return htmlspecialchars($string, ENT_QUOTES, 'utf-8');
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}
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function get_pdo($host, $dbname)
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{
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$dsn = sprintf('mysql:host=%s;dbname=%s;charset=utf8mb4'
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, $host
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, $dbname
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);
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$user = 'root';
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$password = 'password';
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
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];
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return new PDO($dsn, $user, $password, $options);
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}
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function select($host, $dbname, $sql, $params = [])
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{
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$pdo = get_pdo($host, $dbname);
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$stmt = $pdo->prepare($sql);
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$stmt->execute($params);
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return $stmt->fetchAll();
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}
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function delete($host, $dbname, $sql, $params = [])
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{
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$pdo = get_pdo($host, $dbname);
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$stmt = $pdo->prepare($sql);
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return $stmt->execute($params);
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}
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function get_hosts()
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{
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return [
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'hogehoge.phy.lolipop.lan'
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, 'hogehoge.phy.lolipop.lan'
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, 'hogehoge.phy.lolipop.lan'
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];
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}
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function get_database()
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{
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return [
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'LAA0547874-hogehogehoge'
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, 'LAA0547874-hogehogehoge'
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, 'LAA0547874-hogehogehoge'
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, 'LAA0547874-hogehogehoge'
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, 'LAA0547874-hogehogehoge'
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];
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}
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function get_courses()
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{
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$host = filter_input(INPUT_GET, 'host');
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$dbname = filter_input(INPUT_GET, 'dbname');
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if ($host == '' || $dbname == '') {
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return;
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}
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$sql = 'SELECT * FROM `consumercourse`';
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return select($host, $dbname, $sql);
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}
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function delete_course()
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{
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$host = filter_input(INPUT_GET, 'host');
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$dbname = filter_input(INPUT_GET, 'dbname');
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$planid = filter_input(INPUT_GET, 'planid');
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if ($host == '' || $dbname == '' || $planid == '') {
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throw new Exception('パラメーターが不正です。');
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}
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$sql = 'DELETE FROM consumercourse WHERE planid = :planid';
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$params = [];
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$params[':planid'] = $planid;
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return delete($host, $dbname, $sql, $params);
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}
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```
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```php
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<?php
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/**
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* index.php
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*/
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// 開発時にエラーを表示する
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ini_set('display_errors', true);
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error_reporting(E_ALL);
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// 共通関数読み込み
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require_once 'common.php';
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$hosts = get_hosts();
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$databases = get_database();
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$courses = get_courses();
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?>
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<!DOCTYPE HTML>
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<html lang="ja">
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<head>
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<meta charset="UTF-8">
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<title></title>
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</head>
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<body>
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<div>
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<form action="">
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<p>
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<label for="host">ホスト</label>
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<select name="host" id="host">
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<?php foreach ($hosts as $host) : ?>
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<option value="<?php echo h($host); ?>"><?php echo h($host); ?></option>
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<?php endforeach; ?>
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</select>
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</p>
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<p>
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<label for="dbname">データベース</label>
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<select name="dbname" id="dbname">
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<?php foreach ($databases as $db) : ?>
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<option value="<?php echo h($db); ?>"><?php echo h($db); ?></option>
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<?php endforeach; ?>
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</select>
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</p>
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</form>
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</div>
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<div>
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<p>コース一覧</p>
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<?php if (!is_null($courses)) : ?>
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<table>
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<thead>
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<tr>
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<th>planid</th>
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<th>planname</th>
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<th>plandescription</th>
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<th>initialfee</th>
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<th>monthlycost</th>
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<th>video</th>
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<th>consultation</th>
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<th></th>
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<th></th>
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</tr>
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</thead>
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<tbody>
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<?php foreach ($courses as $course): ?>
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<tr>
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<td><?php echo h($course['planid']); ?></td>
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<td><?php echo h($course['planname']); ?></td>
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<td><?php echo h($course['plandescription']); ?></td>
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<td><?php echo h($course['initialfee']); ?></td>
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<td><?php echo h($course['monthlycost']); ?></td>
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<td><?php echo h($course['video']); ?></td>
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<td><?php echo h($course['consultation']); ?></td>
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<td>
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<a href="delete.php?host=<?php echo filter_input(INPUT_GET, 'host'); ?>&dbname=<?php echo filter_input(INPUT_GET, 'dbname'); ?>&planid=<?php echo h($course['planid']); ?>">削除する</a>
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</td>
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</tr>
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<?php endforeach; ?>
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</tbody>
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</table>
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<?php else: ?>
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384
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385
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<p>ホスト、データベースを選択してください。</p>
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<?php endif; ?>
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</div>
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</body>
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</html>
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```
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398
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399
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```php
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400
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401
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<?php
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402
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403
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|
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404
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405
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/**
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406
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407
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* delete.php
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408
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409
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*/
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410
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411
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// 開発時にエラーを表示する
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412
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413
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ini_set('display_errors', true);
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414
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415
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error_reporting(E_ALL);
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416
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|
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417
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+
|
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418
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|
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419
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// 共通関数読み込み
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420
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421
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require_once 'common.php';
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422
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423
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+
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424
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425
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delete_course();
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|
426
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|
427
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```
|
1
修正
test
CHANGED
|
@@ -7,3 +7,19 @@
|
|
|
7
7
|
$stmt = $pdo->query("DELETE FROM consumercourse WHERE planid='test'");
|
|
8
8
|
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9
9
|
```
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10
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+
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11
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|
12
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+
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|
13
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+
----
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14
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15
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16
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17
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```php
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18
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19
|
+
$pdo = new PDO("mysql:dbname=$db_datebase_6;host=$db_address_3;charset=utf8",$db_user,$db_password, [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
|
|
20
|
+
|
|
21
|
+
```
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
25
|
+
↑ 第4引数を設定しましょう。
|