forum_get_forums

• Drupal 4.6
• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7

Versions

4.6 – 7

forum_get_forums($tid = 0)

Returns a list of all forums for a given taxonomy id

Forum objects contain the following fields -num_topics Number of topics in the forum -num_posts Total number of posts in all topics -last_post Most recent post for the forum

Parameters

$tid Taxonomy ID of the vocabulary that holds the forum list.

Return value

Array of object containing the forum information.

Code

modules/forum.module, line 586

<?php
function forum_get_forums($tid = 0) {

  if (!$tid) {
    $tid = 0;
  }

  $forums = array();
  $_forums = taxonomy_get_tree(variable_get('forum_nav_vocabulary', ''), $tid);

  if (count($_forums)) {

    $counts = array();

    $sql = "SELECT r.tid, COUNT(n.nid) AS topic_count, SUM(l.comment_count) AS comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {term_node} r ON n.nid = r.nid WHERE n.status = 1 AND n.type = 'forum' GROUP BY r.tid";
    $sql = db_rewrite_sql($sql);
    $_counts = db_query($sql, $forum->tid);
    while ($count = db_fetch_object($_counts)) {
      $counts[$count->tid] = $count;
    }
  }

  foreach ($_forums as $forum) {
    if (in_array($forum->tid, variable_get('forum_containers', array()))) {
      $forum->container = 1;
    }

    if ($counts[$forum->tid]) {
      $forum->num_topics = $counts[$forum->tid]->topic_count;
      $forum->num_posts = $counts[$forum->tid]->topic_count + $counts[$forum->tid]->comment_count;
    }
    else {
      $forum->num_topics = 0;
      $forum->num_posts = 0;
    }

    // This query does not use full ANSI syntax since MySQL 3.x does not support
    // table1 INNER JOIN table2 INNER JOIN table3 ON table2_criteria ON table3_criteria
    // used to join node_comment_statistics to users.
    $sql = "SELECT n.nid, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) as last_comment_name, l.last_comment_uid FROM {node} n, {node_comment_statistics} l, {users} cu, {term_node} r WHERE  n.nid = r.nid AND r.tid = %d AND n.status = 1 AND n.type = 'forum' AND l.last_comment_uid = cu.uid AND n.nid = l.nid ORDER BY l.last_comment_timestamp DESC";
    $sql = db_rewrite_sql($sql);
    $topic = db_fetch_object(db_query_range($sql, $forum->tid, 0, 1));

    $last_post = new StdClass();
    $last_post->timestamp = $topic->last_comment_timestamp;
    $last_post->name = $topic->last_comment_name;
    $last_post->uid = $topic->last_comment_uid;
    $forum->last_post = $last_post;

    $forums[$forum->tid] = $forum;
  }

  return $forums;
}
?>

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