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回答編集履歴

1

修正

2018/08/23 09:16

投稿

退会済みユーザー
answer CHANGED
@@ -21,9 +21,9 @@
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  $stmt = $pdo->prepare($username_sql);
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  $stmt->bindvalue(1, $id, PDO::PARAM_STR);
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  $stmt->execute();
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- $rows = $stmt->fetchAll();
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+ $row = $stmt->fetch();
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- $user_name = $rows['user_name'];
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+ $user_name = $row['user_name'];
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  } catch (PDOException $e) {
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  header('Content-Type: text/plain; charset=utf8', true, 500);
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  exit($e->getMessage());