<?php
/**
 * Return the latest threads of one forum, where a post has been posted
 *
 * @param integer $forum_id Forum ID to fetch threads from
 * @param integer $limit Amount of threads to get
 * @param boolean $excluse_invisible Shall we also get invisible threads?
 * @return array
 */
function getLatestActiveThreads($limit = 7, $exclude_invisible = true)
{
  global $pdo;
  // This will be the array, where we can save the threads
  $threads = array();

  /**
   * If defined forum id is 0, we do not fetch threads from only one forum,
   * but we fetch the latest threads of all forums
   * Therefore we add the forum_id in the where condition
   * We only fetch visible threads, if there is anything we want to hide ;)
   * However we can also define that we want the invisible threads as well
   */
  $fetch_invisible_threads = intval($exclude_invisible);

  // Run the Query
  $query = "SELECT `lastpost` FROM `".MYBB_PREFIX."threads`
  LEFT JOIN `".MYBB_PREFIX."forums` ON `".MYBB_PREFIX.'forums`.`fid` = `'.MYBB_PREFIX.'threads`.`fid`'."
  WHERE `".MYBB_PREFIX."threads`.`visible` = :visible
  ORDER BY `".MYBB_PREFIX."threads`.`lastpost` DESC
  LIMIT :limit";
  $query = $pdo->prepare($query);
  $query->execute([
    'visible' => $fetch_invisible_threads,
    'limit' => intval($limit)
  ]);

  return $query->fetchAll();
}