<?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 $excluse_invisible Shall we also get invisible threads?
 * @return array
 */
function getLatestActiveThreads($forum_id = 0, $limit = 7, $exclude_invisible = true)
{
  global $pdo, $prefix;
  // 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
   */
  $fetch_invisible_threads = ($exclude_invisible == true) ? '1' : '0';
  $condition = [];
  $condition['visible'] = $fetch_invisible_threads;
  if ($forum_id != 0){
     $condition['fid'] = intval($forum_id);
  }

  // Run the Query
  $query = $pdo->select()
    ->from(MYBB_PREFIX.'threads')
    ->leftJoin(MYBB_PREFIX.'forums', MYBB_PREFIX.'forums.fid', '=', MYBB_PREFIX.'threads.fid')
    ->whereMany($condition, '=')
    ->orderBy(MYBB_PREFIX.'threads.lastpost', 'DESC')
    ->limit(intval($limit), 0)
    ->execute();

  return $query->fetchAll();
}