Files
0xa0.dev/guestbook.php
T
2026-07-21 17:06:32 +02:00

62 lines
1.7 KiB
PHP

<?php
require_once __DIR__ . '/config.php';
@mkdir(DATA_DIR, 0755, true);
$db = new PDO('sqlite:' . DATA_DIR . '/guestbook.db');
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$db->exec('CREATE TABLE IF NOT EXISTS entries (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
msg TEXT NOT NULL,
ts INTEGER NOT NULL
)');
$isHtmx = isset($_SERVER['HTTP_HX_REQUEST']);
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$name = trim($_POST['name'] ?? '');
$msg = trim($_POST['msg'] ?? '');
if ($name !== '' && $msg !== '') {
$stmt = $db->prepare('INSERT INTO entries (name, msg, ts) VALUES (?, ?, ?)');
$stmt->execute([mb_substr($name, 0, 40), mb_substr($msg, 0, 500), time()]);
}
if (!$isHtmx) {
header('Location: /guestbook.php');
exit;
}
}
$rows = $db->query('SELECT name, msg, ts FROM entries ORDER BY id DESC LIMIT 50');
function render_entries(iterable $rows): void {
foreach ($rows as $r) { ?>
<div class="entry">
<b><?= htmlspecialchars($r['name']) ?></b>
<span class="date"><?= date('Y-m-d', $r['ts']) ?></span>
<p><?= nl2br(htmlspecialchars($r['msg'])) ?></p>
</div>
<?php }
}
if ($isHtmx) {
render_entries($rows);
exit;
}
require __DIR__ . '/inc/header.php';
?>
<h1>guestbook</h1>
<form hx-post="/guestbook.php" hx-target="#entries" hx-swap="innerHTML"
method="post" action="/guestbook.php">
<input name="name" placeholder="name" maxlength="40" required>
<textarea name="msg" placeholder="say something…" maxlength="500" required></textarea>
<button type="submit">sign</button>
</form>
<div id="entries">
<?php render_entries($rows); ?>
</div>
<?php require __DIR__ . '/inc/footer.php'; ?>