feed-reader-central/src/public/index.php

<?php
/**
 * Home Page
 *
 * Displays a list of unread feed items for the current user
 */

include '../start.php';

Security::verifyUser();

$db     = Data::getConnection();
$result = $db->query(<<<'SQL'
    SELECT item.id, item.title AS item_title, coalesce(item.updated_on, item.published_on) AS as_of,
           feed.title AS feed_title
      FROM item
           INNER JOIN feed ON feed.id = item.feed_id
     WHERE item.is_read = 0
     ORDER BY coalesce(item.updated_on, item.published_on) DESC
    SQL);
$item   = $result ? $result->fetchArray(SQLITE3_ASSOC) : false;

page_head('Welcome'); ?>
<h1>Your Unread Items</h1>
<article><?php
if ($item) {
    while ($item) {
        try {
            $asOf = (new DateTimeImmutable($item['as_of']))->format(DATE_TIME_FORMAT);
        } catch (Exception) {
            $asOf = '(invalid date)';
        } ?>
        <p><a href=/item/view?id=<?=$item['id']?>><?=htmlentities($item['item_title'])?></a><br>
            <?=htmlentities($item['feed_title'])?><br><small><em><?=$asOf?></em></small><?php
        $item = $result->fetchArray(SQLITE3_ASSOC);
    }
} else { ?>
    <p>There are no unread items</p><?php
} ?>
</article><?php

page_foot();
$db->close();