PHP
[p-book] search
by 영감은어디에
2024. 6. 28.
<?php
declare(strict_types = 1); // Use strict types
require 'includes/database-connection.php'; // Create PDO object
require 'includes/functions.php'; // Include functions
$term = filter_input(INPUT_GET, 'term'); // Get search term
$show = filter_input(INPUT_GET, 'show', FILTER_VALIDATE_INT) ?? 3; // Limit
$from = filter_input(INPUT_GET, 'from', FILTER_VALIDATE_INT) ?? 0; // Offset
$count = 0; // Set count to 0
$articles = []; // Set articles to empty array
if ($term) { // If search term provided
$arguments['term1'] = '%' . $term .'%'; // Store search term in array
$arguments['term2'] = '%' . $term .'%'; // three times as placeholders
$arguments['term3'] = '%' . $term .'%'; // cannot be repeated in SQL
$sql = "SELECT COUNT(title) FROM article
WHERE title LIKE :term1
OR summary LIKE :term2
OR content LIKE :term3
AND published = 1;"; // How many articles match term
$count = pdo($pdo, $sql, $arguments)->fetchColumn(); // Return count
if ($count > 0) { // If articles match term
$arguments['show'] = $show; // Add to array for pagination
$arguments['from'] = $from; // Add to array for pagination
$sql = "SELECT a.id, a.title, a.summary, a.category_id, a.member_id,
c.name AS category,
CONCAT(m.forename, ' ', m.surname) AS author,
i.file AS image_file,
i.alt AS image_alt
FROM article AS a
JOIN category AS c ON a.category_id = c.id
JOIN member AS m ON a.member_id = m.id
LEFT JOIN image AS i ON a.image_id = i.id
WHERE a.title LIKE :term1
OR a.summary LIKE :term2
OR a.content LIKE :term3
AND a.published = 1
ORDER BY a.id DESC
LIMIT :show
OFFSET :from;"; // Find matching articles
$articles = pdo($pdo, $sql, $arguments)->fetchAll(); // Run query and get results
}
}
if ($count > $show) { // If matches is more than show
$total_pages = ceil($count / $show); // Calculate total pages
$current_page = ceil($from / $show) + 1; // Calculate current page
}
$sql = "SELECT id, name FROM category WHERE navigation = 1;"; // SQL to get categories
$navigation = pdo($pdo, $sql)->fetchAll(); // Get navigation categories
$section = ''; // Current category
$title = 'Search results for ' . $term; // HTML <title> content
$description = $title . ' on Creative Folk'; // Meta description content
?>
<?php include 'includes/header.php'; ?>
<main class="container" id="content">
<section class="header">
<form action="search.php" method="get" class="form-search">
<label for="search"><span>Search for: </span></label>
<input type="text" name="term" value="<?= html_escape($term) ?>"
id="search" placeholder="Search" />
<input type="submit" value="Search" class="btn btn-search" />
</form>
<?php if ($term) { ?><p><b>Matches found:</b> <?= $count ?></p><?php } ?>
</section>
<section class="grid">
<?php foreach ($articles as $article) { ?>
<article class="summary">
<a href="article.php?id=<?= $article['id'] ?>">
<img src="uploads/<?= html_escape($article['image_file'] ?? 'blank.png') ?>"
alt="<?= html_escape($article['image_alt']) ?>">
<h2><?= html_escape($article['title']) ?></h2>
<p><?= html_escape($article['summary']) ?></p>
</a>
<p class="credit">
Posted in <a href="category.php?id=<?= $article['category_id'] ?>">
<?= html_escape($article['category']) ?></a>
by <a href="member.php?id=<?= $article['member_id'] ?>">
<?= html_escape($article['author']) ?></a>
</p>
</article>
<?php } ?>
</section>
<?php if ($count > $show) { ?>
<nav class="pagination" role="navigation" aria-label="Pagination Navigation">
<ul>
<?php for ($i = 1; $i <= $total_pages; $i++) { ?>
<li>
<a href="?term=<?= $term ?>&show=<?= $show ?>&from=<?= (($i - 1) * $show) ?>"
class="btn <?= ($i == $current_page) ? 'active" aria-current="true' : '' ?>">
<?= $i ?>
</a>
</li>
<?php } ?>
</ul>
</nav>
<?php } ?>
</main>
<?php include 'includes/footer.php'; ?>