基本的に、ユーザーが次のようなリストを作成できるようにしたいと考えています。
Please give me all books by:
James Arnold
Tom Seaver
改行だけを保存する必要があります...
私のコードは私に問題を与えています: データベースに情報を保存するとき、フォーマットは保持されていますが、情報をテキストエリアに入れるとき、余分なスペースがたくさんあります. どんな感じか分かるように画像を貼っておきます。
<?php
session_start();
if (!isset($_SESSION['user']))
header('Location: ../index.php');
require ("../login.php");
include ("header.php");
include ("subnav.php");
$user_id = $_SESSION['user'];
$form_show = true;
if (isset($_POST['submit'])) {
if (empty($_POST['notes'])) {
$stmt = $db->prepare("SELECT * FROM notes WHERE user=:id");
$stmt->bindValue(':id', $user_id, PDO::PARAM_INT);
$stmt->execute();
$rows = $stmt->fetchAll();
$num_rows = count($rows);
if ($num_rows == 0) {
$form_show = false;
$errors[] = 'You do not currently have any notes to edit, therefore nothing to delete!.';
}
else {
$stmt = $db->prepare("DELETE FROM notes WHERE user=:id");
$stmt->bindValue(':id', $user_id, PDO::PARAM_INT);
$stmt->execute();
$errors[] = 'Your notes have been successfully deleted.';
$form_show = false;
}
}
else {
$stmt = $db->prepare("SELECT * FROM notes WHERE user=:id");
$stmt->bindValue(':id', $user_id, PDO::PARAM_INT);
$stmt->execute();
$rows = $stmt->fetchAll();
$num_rows = count($rows);
if ($num_rows == 0) {
$stmt = $db->prepare("INSERT INTO notes (user, notes) VALUES (:user, :notes)");
$stmt->bindValue(':user', $user_id, PDO::PARAM_INT);
$stmt->bindValue(':notes', trim($_POST['notes']), PDO::PARAM_STR);
$stmt->execute();
echo 'Your notes have been successfully added!';
$form_show = false;
}
else {
$stmt = $db->prepare("UPDATE notes SET notes=:notes WHERE user=:id");
$stmt->bindValue(':notes',trim($_POST['notes']), PDO::PARAM_STR);
$stmt->bindValue(':id', $user_id, PDO::PARAM_INT);
$stmt->execute();
echo 'Your notes have been successfully updated!';
$form_show = false;
}
}
}
?>
<?php
if (!empty($errors))
foreach($errors as $error)
echo $error;
?>
<?php
if ($form_show == true) { ?>
<p>Use this page to add any notes you would like to list for your subscription. For example, if you want all books by a particular artist, here is the place to add that information!</p>
<form action="" method="post">
<ul>
<li>
Notes: <br>
<textarea name="notes" rows="30" cols="70">
<?php
$stmt = $db->prepare("SELECT * FROM notes WHERE user=:id");
$stmt->bindValue(':id', $user_id, PDO::PARAM_INT);
$stmt->execute();
$rows = $stmt->fetchAll();
$num_rows = count($rows);
if ($num_rows != 0)
foreach ($rows as $row)
echo $row['notes'];
?>
</textarea>
</li>
<li>
<input type="submit" value="Modify Notes" name ="submit" id="submit">
</li>
</ul>
</form>
<?php } ?>
<?php
include ("footer.php");
?>
ここに写真があります: