satori-services/public/recent-forum-posts.php

<?php
require_once '_flashii.php';

$startId = (int)filter_input(INPUT_GET, 'start', FILTER_SANITIZE_NUMBER_INT);

try {
    $fetch = $db->prepare('
        SELECT
            p.`post_id`,
            t.`topic_id`, t.`topic_title`,
            f.`forum_id`, f.`forum_name`,
            u.`user_id`, u.`username`,
            COALESCE(u.`user_colour`, r.`role_colour`) AS `user_colour`,
            (
                SELECT MIN(`post_id`) = p.`post_id`
                FROM `msz_forum_posts`
                WHERE `topic_id` = p.`topic_id`
            ) AS `is_opening_post`
        FROM `msz_forum_posts` as p
        LEFT JOIN `msz_users` AS u
        ON u.`user_id` = p.`user_id`
        LEFT JOIN `msz_roles` AS r
        ON r.`role_id` = u.`display_role`
        LEFT JOIN `msz_forum_topics` AS t
        ON t.`topic_id` = p.`topic_id`
        LEFT JOIN `msz_forum_categories` AS f
        ON f.`forum_id` = p.`forum_id`
        WHERE `post_id` > ?
        AND `post_deleted` IS NULL
        AND `post_created` > NOW() - INTERVAL 7 DAY
        AND p.`forum_id` IN (2, 7, 24, 6, 5, 4, 16, 20, 8, 19, 10, 11, 13, 21, 15, 14, 27, 29, 28)
        ORDER BY `post_id`
        LIMIT 6
    ');
    $fetch->addParameter(1, $startId);
    $fetch->execute();
    $result = $fetch->getResult();

    $sets = [];
    while($result->next())
        $sets[] = [
            'post_id' => $result->getInteger(0),
            'topic_id' => $result->getInteger(1),
            'topic_title' => $result->getString(2),
            'forum_id' => $result->getInteger(3),
            'forum_name' => $result->getString(4),
            'user_id' => $result->getInteger(5),
            'username' => $result->getString(6),
            'user_colour' => $result->getInteger(7),
            'is_opening_post' => $result->getInteger(8),
        ];

    echo json_encode($sets);
} catch(Exception $ex) {
    echo '{"error":104}';
}