'. t('A forum holds discussion topics that are related. For example, a forum named "Fruit" might contain topics titled "Apples" and "Bananas".') .'
'; case 'admin/content/forum/settings': - return ''. t('These settings provide the ability to fine tune the display of your forum topics.') .'
'; + return ''. t('These settings provide the ability to fine tune the display of your forum topics. Any node type, for example Poll, can be affixed to the forum system, from the forum vocabulary edit form.', array('@forum_vocab' => url('admin/content/taxonomy/edit/vocabulary/'. variable_get('forum_nav_vocabulary', '')))) .'
'; } } @@ -121,8 +121,113 @@ function forum_init() { drupal_add_css(drupal_get_path('module', 'forum') .'/forum.css'); } -function forum_term_load($tid) { - return (array)taxonomy_get_term($tid); +/** + * Implementation of hook_nodeapi(). + */ +function forum_nodeapi(&$node, $op, $teaser, $page) { + $vid = variable_get('forum_nav_vocabulary', ''); + $vocabulary = taxonomy_vocabulary_load($vid); + + // Operate only on node types assigned for the forum vocabulary. + if (!in_array($node->type, $vocabulary->nodes)) { + return; + } + + switch ($op) { + case 'view': + if ($page && $node->taxonomy) { + // Get the forum terms from the (cached) tree + $tree = taxonomy_get_tree($vid); + if ($tree) { + foreach ($tree as $term) { + $forum_terms[] = $term->tid; + } + } + foreach ($node->taxonomy as $term_id => $term) { + if (in_array($term_id, $forum_terms)) { + $node->tid = $term_id; + } + } + // Breadcrumb navigation + $breadcrumb = array(); + $breadcrumb[] = array('path' => 'forum', 'title' => $vocabulary->name); + if ($parents = taxonomy_get_parents_all($node->tid)) { + $parents = array_reverse($parents); + foreach ($parents as $p) { + $breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name); + } + } + $breadcrumb[] = array('path' => 'node/'. $node->nid); + menu_set_location($breadcrumb); + + $node = node_prepare($node, $teaser); + if (!$teaser) { + $node->content['forum_navigation'] = array( + '#value' => theme('forum_topic_navigation', $node), + '#weight' => 100, + ); + } + } + return $node; + break; + + case 'prepare': + if (empty($node->nid)) { + // New topic + $node->taxonomy[arg(3)]->vid = $vid; + $node->taxonomy[arg(3)]->tid = arg(3); + } + return $node; + break; + + // Check in particular that only a "leaf" term in the associated taxonomy + // vocabulary is selected, not a "container" term. + case 'validate': + if ($node->taxonomy) { + // Extract the node's proper topic ID. + $vocabulary = $vid; + $containers = variable_get('forum_containers', array()); + foreach ($node->taxonomy as $term) { + if (db_result(db_query('SELECT COUNT(*) FROM {term_data} WHERE tid = %d AND vid = %d', $term, $vocabulary))) { + if (in_array($term, $containers)) { + $term = taxonomy_get_term($term); + form_set_error('taxonomy', t('The item %forum is only a container for forums. Please select one of the forums below it.', array('%forum' => $term->name))); + } + } + } + } + break; + + // Assign forum taxonomy when adding a topic from within a forum. + case 'submit': + // Make sure all fields are set properly: + $node->icon = !empty($node->icon) ? $node->icon : ''; + + if ($node->taxonomy) { + // Get the forum terms from the (cached) tree + $tree = taxonomy_get_tree($vid); + if ($tree) { + foreach ($tree as $term) { + $forum_terms[] = $term->tid; + } + } + foreach ($node->taxonomy as $term_id => $term) { + if (in_array($term_id, $forum_terms)) { + $node->tid = $term_id; + } + } + $old_tid = db_result(db_query_range("SELECT t.tid FROM {term_data} t INNER JOIN {node} n WHERE t.vid = n.vid AND n.nid = %d ORDER BY t.vid DESC", $node->nid, 0, 1)); + if ($old_tid) { + if (($node->tid != $old_tid) && $node->shadow) { + // A shadow copy needs to be created. Retain new term and add old term. + $node->taxonomy[] = $old_tid; + } + } + } + break; + } + + return; } /** @@ -164,24 +269,13 @@ function forum_perm() { } /** - * Implementation of hook_nodeapi(). - */ -function forum_nodeapi(&$node, $op, $teaser, $page) { - switch ($op) { - case 'delete revision': - db_query('DELETE FROM {forum} WHERE vid = %d', $node->vid); - break; - } -} - -/** * Implementation of hook_taxonomy(). */ function forum_taxonomy($op, $type, $term = NULL) { - if ($op == 'delete' && $term['vid'] == _forum_get_vid()) { + if ($op == 'delete' && $term['vid'] == variable_get('forum_nav_vocabulary', '')) { switch ($type) { case 'term': - $results = db_query('SELECT f.nid FROM {forum} f WHERE f.tid = %d', $term['tid']); + $results = db_query('SELECT nid FROM {term_node} WHERE tid = %d', $term['tid']); while ($node = db_fetch_object($results)) { // node_delete will also remove any association with non-forum vocabularies. node_delete($node->nid); @@ -231,23 +325,21 @@ function forum_admin_settings() { * Implementation of hook_form_alter(). */ function forum_form_alter(&$form, $form_state, $form_id) { - // hide critical options from forum vocabulary + // Hide critical options from forum vocabulary. if ($form_id == 'taxonomy_form_vocabulary') { - if (isset($form['vid']) && $form['vid']['#value'] == _forum_get_vid()) { + $vid = variable_get('forum_nav_vocabulary', ''); + if (isset($form['vid']) && $form['vid']['#value'] == $vid) { $form['help_forum_vocab'] = array( '#value' => t('This is the designated forum vocabulary. Some of the normal vocabulary options have been removed.'), '#weight' => -1, ); - $form['nodes']['forum'] = array('#type' => 'checkbox', '#value' => 1, '#title' => t('forum topic'), '#attributes' => array('disabled' => '' ), '#description' => t('forum topic is affixed to the forum vocabulary.')); + $form['nodes']['forum'] = array('#type' => 'checkbox', '#value' => 1, '#title' => t('Forum topic'), '#attributes' => array('disabled' => '' ), '#description' => t('Forum topic is affixed to the forum vocabulary.')); $form['hierarchy'] = array('#type' => 'value', '#value' => 1); unset($form['relations']); unset($form['tags']); unset($form['multiple']); $form['required'] = array('#type' => 'value', '#value' => 1); } - else { - unset($form['nodes']['forum']); - } } } @@ -255,7 +347,7 @@ function forum_form_alter(&$form, $form_ * Implementation of hook_load(). */ function forum_load($node) { - $forum = db_fetch_object(db_query('SELECT * FROM {forum} WHERE vid = %d', $node->vid)); + $forum = db_fetch_object(db_query('SELECT * FROM {term_node} WHERE vid = %d', $node->vid)); return $forum; } @@ -286,7 +378,7 @@ function forum_block($op = 'list', $delt switch ($delta) { case 0: $title = t('Active forum topics'); - $sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count, l.last_comment_timestamp FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.status = 1 AND n.type = 'forum' ORDER BY l.last_comment_timestamp DESC"); + $sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count, l.last_comment_timestamp FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.status = 1 ORDER BY l.last_comment_timestamp DESC"); $result = db_query_range($sql, 0, variable_get('forum_block_num_0', '5')); if (db_num_rows($result)) { $content = node_title_list($result); @@ -295,7 +387,7 @@ function forum_block($op = 'list', $delt case 1: $title = t('New forum topics'); - $sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.type = 'forum' AND n.status = 1 ORDER BY n.nid DESC"); + $sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.status = 1 ORDER BY n.nid DESC"); $result = db_query_range($sql, 0, variable_get('forum_block_num_1', '5')); if (db_num_rows($result)) { $content = node_title_list($result); @@ -314,102 +406,6 @@ function forum_block($op = 'list', $delt } /** - * Implementation of hook_view(). - */ -function forum_view(&$node, $teaser = FALSE, $page = FALSE) { - if ($page) { - $vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', '')); - // Breadcrumb navigation - $breadcrumb = array(); - $breadcrumb[] = array('path' => 'forum', 'title' => $vocabulary->name); - if ($parents = taxonomy_get_parents_all($node->tid)) { - $parents = array_reverse($parents); - foreach ($parents as $p) { - $breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name); - } - } - $breadcrumb[] = array('path' => 'node/'. $node->nid); - menu_set_location($breadcrumb); - } - - $node = node_prepare($node, $teaser); - if (!$teaser) { - $node->content['forum_navigation'] = array( - '#value' => theme('forum_topic_navigation', $node), - '#weight' => 100, - ); - } - return $node; -} - -/** - * Implementation of hook_submit(). - * - * Check in particular that only a "leaf" term in the associated taxonomy - * vocabulary is selected, not a "container" term. - */ -function forum_submit(&$form_values) { - // Make sure all fields are set properly: - $form_values['icon'] = !empty($form_values['icon']) ? $form_values['icon'] : ''; - - if ($form_values['taxonomy']) { - // Get the forum terms from the (cached) tree - $tree = taxonomy_get_tree(_forum_get_vid()); - if ($tree) { - foreach ($tree as $term) { - $forum_terms[] = $term->tid; - } - } - foreach ($form_values['taxonomy'] as $term) { - if (in_array($term, $forum_terms)) { - $form_values['tid'] = $term; - } - } - $old_tid = db_result(db_query_range("SELECT tid FROM {forum} WHERE nid = %d ORDER BY vid DESC", $form_values['nid'], 0, 1)); - if ($old_tid) { - if (($form_values['tid'] != $old_tid) && $form_values['shadow']) { - // A shadow copy needs to be created. Retain new term and add old term. - $form_values['taxonomy'][] = $old_tid; - } - } - } -} - -/** - * Implementation of hook_validate(). - * - * Check in particular that only a "leaf" term in the associated taxonomy - * vocabulary is selected, not a "container" term. - */ -function forum_validate($node) { - if ($node->taxonomy) { - // Extract the node's proper topic ID. - $vocabulary = variable_get('forum_nav_vocabulary', ''); - $containers = variable_get('forum_containers', array()); - foreach ($node->taxonomy as $term) { - if (db_result(db_query('SELECT COUNT(*) FROM {term_data} WHERE tid = %d AND vid = %d', $term, $vocabulary))) { - if (in_array($term, $containers)) { - $term = taxonomy_get_term($term); - form_set_error('taxonomy', t('The item %forum is only a container for forums. Please select one of the forums below it.', array('%forum' => $term->name))); - } - } - } - } -} - -/** - * Implementation of hook_update(). - */ -function forum_update($node) { - if ($node->revision) { - db_query("INSERT INTO {forum} (nid, vid, tid) VALUES (%d, %d, %d)", $node->nid, $node->vid, $node->tid); - } - else { - db_query('UPDATE {forum} SET tid = %d WHERE vid = %d', $node->tid, $node->vid); - } -} - -/** * Implementation of hook_form(). */ function forum_form(&$node, $form_state) { @@ -417,7 +413,8 @@ function forum_form(&$node, $form_state) $form['title'] = array('#type' => 'textfield', '#title' => check_plain($type->title_label), '#default_value' => !empty($node->title) ? $node->title : '', '#required' => TRUE, '#weight' => -5); if (!empty($node->nid)) { - $forum_terms = taxonomy_node_get_terms_by_vocabulary($node, _forum_get_vid()); + $vid = variable_get('forum_nav_vocabulary', ''); + $forum_terms = taxonomy_node_get_terms_by_vocabulary($node, $vid); // if editing, give option to leave shadows $shadow = (count($forum_terms) > 1); $form['shadow'] = array('#type' => 'checkbox', '#title' => t('Leave shadow copy'), '#default_value' => $shadow, '#description' => t('If you move this topic, you can leave a link in the old forum to the new forum.')); @@ -432,31 +429,6 @@ function forum_form(&$node, $form_state) } /** - * Implementation of hook_prepare; assign forum taxonomy when adding a topic from within a forum. - */ -function forum_prepare(&$node) { - if (empty($node->nid)) { - // new topic - $node->taxonomy[arg(3)]->vid = _forum_get_vid(); - $node->taxonomy[arg(3)]->tid = arg(3); - } -} - -/** - * Implementation of hook_insert(). - */ -function forum_insert($node) { - db_query('INSERT INTO {forum} (nid, vid, tid) VALUES (%d, %d, %d)', $node->nid, $node->vid, $node->tid); -} - -/** - * Implementation of hook_delete(). - */ -function forum_delete(&$node) { - db_query('DELETE FROM {forum} WHERE nid = %d', $node->nid); -} - -/** * Returns a form for adding a container to the forum vocabulary * * @param $edit Associative array containing a container term to be added or edited. @@ -493,7 +465,7 @@ function forum_form_container(&$form_sta ); $form['vid'] = array('#type' => 'hidden', - '#value' => _forum_get_vid()); + '#value' => variable_get('forum_nav_vocabulary', '')); $form['submit'] = array( '#type' => 'submit', '#value' => t('Submit') @@ -503,7 +475,6 @@ function forum_form_container(&$form_sta $form['tid'] = array('#type' => 'value', '#value' => $edit['tid']); } $form['#submit'][] = 'forum_form_submit'; - $form['#validate'][] = 'forum_form_validate'; $form['#theme'] = 'forum_form'; return $form; @@ -555,14 +526,13 @@ function forum_form_forum(&$form_state, '#description' => t('When listing forums, those with lighter (smaller) weights get listed before containers with heavier (larger) weights. Forums with equal weights are sorted alphabetically.'), ); - $form['vid'] = array('#type' => 'hidden', '#value' => _forum_get_vid()); + $form['vid'] = array('#type' => 'hidden', '#value' => variable_get('forum_nav_vocabulary', '')); $form['submit' ] = array('#type' => 'submit', '#value' => t('Submit')); if ($edit['tid']) { $form['delete'] = array('#type' => 'submit', '#value' => t('Delete')); $form['tid'] = array('#type' => 'hidden', '#value' => $edit['tid']); } $form['#submit'][] = 'forum_form_submit'; - $form['#validate'][] = 'forum_form_validate'; $form['#theme'] = 'forum_form'; return $form; @@ -631,7 +601,8 @@ function forum_confirm_delete_submit($fo function forum_overview() { $header = array(t('Name'), t('Operations')); - $tree = taxonomy_get_tree(_forum_get_vid()); + $vid = variable_get('forum_nav_vocabulary', ''); + $tree = taxonomy_get_tree($vid); if ($tree) { foreach ($tree as $term) { if (in_array($term->tid, variable_get('forum_containers', array()))) { @@ -667,7 +638,8 @@ function _forum_parent_select($tid, $tit $parent = 0; } - $children = taxonomy_get_tree(_forum_get_vid(), $tid); + $vid = variable_get('forum_nav_vocabulary', ''); + $children = taxonomy_get_tree($vid, $tid); // A term can't be the child of itself, nor of its children. foreach ($children as $child) { @@ -675,7 +647,7 @@ function _forum_parent_select($tid, $tit } $exclude[] = $tid; - $tree = taxonomy_get_tree(_forum_get_vid()); + $tree = taxonomy_get_tree($vid); $options[0] = '<'. t('root') .'>'; if ($tree) { foreach ($tree as $term) { @@ -700,8 +672,9 @@ function forum_link_alter(&$links, $node // Link back to the forum and not the taxonomy term page. We'll only // do this if the taxonomy term in question belongs to forums. $tid = str_replace('taxonomy/term/', '', $link['href']); + $vid = variable_get('forum_nav_vocabulary', ''); $term = taxonomy_get_term($tid); - if ($term->vid == _forum_get_vid()) { + if ($term->vid == $vid) { $links[$module]['href'] = str_replace('taxonomy/term', 'forum', $link['href']); } } @@ -709,27 +682,6 @@ function forum_link_alter(&$links, $node } /** - * Returns the vocabulary id for forum navigation. - */ -function _forum_get_vid() { - $vid = variable_get('forum_nav_vocabulary', ''); - if (empty($vid)) { - // Check to see if a forum vocabulary exists - $vid = db_result(db_query("SELECT vid FROM {vocabulary} WHERE module = '%s'", 'forum')); - if (!$vid) { - // Create the forum vocabulary. Assign the vocabulary a low weight so - // it will appear first in forum topic create and edit forms. - $edit = array('name' => t('Forums'), 'multiple' => 0, 'required' => 1, 'hierarchy' => 1, 'relations' => 0, 'module' => 'forum', 'weight' => -10, 'nodes' => array('forum' => 1)); - taxonomy_save_vocabulary($edit); - $vid = $edit['vid']; - } - variable_set('forum_nav_vocabulary', $vid); - } - - return $vid; -} - -/** * Formats a topic for display * * @TODO Give a better description. Not sure where this function is used yet. @@ -759,13 +711,14 @@ function _forum_format($topic) { function forum_get_forums($tid = 0) { $forums = array(); - $_forums = taxonomy_get_tree(variable_get('forum_nav_vocabulary', ''), $tid); + $vid = variable_get('forum_nav_vocabulary', ''); + $_forums = taxonomy_get_tree($vid, $tid); if (count($_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 = "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 GROUP BY r.tid"; $sql = db_rewrite_sql($sql); $_counts = db_query($sql); while ($count = db_fetch_object($_counts)) { @@ -790,7 +743,7 @@ function forum_get_forums($tid = 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 ncs.last_comment_timestamp, IF (ncs.last_comment_uid != 0, u2.name, ncs.last_comment_name) AS last_comment_name, ncs.last_comment_uid FROM {node} n INNER JOIN {users} u1 ON n.uid = u1.uid INNER JOIN {term_node} tn ON n.nid = tn.nid INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid INNER JOIN {users} u2 ON ncs.last_comment_uid=u2.uid WHERE n.status = 1 AND n.type='forum' AND tn.tid = %d ORDER BY ncs.last_comment_timestamp DESC"; + $sql = "SELECT ncs.last_comment_timestamp, IF (ncs.last_comment_uid != 0, u2.name, ncs.last_comment_name) AS last_comment_name, ncs.last_comment_uid FROM {node} n INNER JOIN {users} u1 ON n.uid = u1.uid INNER JOIN {term_node} tn ON n.nid = tn.nid INNER JOIN {node_comment_statistics} ncs ON n.nid = ncs.nid INNER JOIN {users} u2 ON ncs.last_comment_uid=u2.uid WHERE n.status = 1 AND tn.tid = %d ORDER BY ncs.last_comment_timestamp DESC"; $sql = db_rewrite_sql($sql); $topic = db_fetch_object(db_query_range($sql, $forum->tid, 0, 1)); @@ -813,7 +766,7 @@ function forum_get_forums($tid = 0) { * than NODE_NEW_LIMIT. */ function _forum_topics_unread($term, $uid) { - $sql = "SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} tn ON n.nid = tn.nid AND tn.tid = %d LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d WHERE n.status = 1 AND n.type = 'forum' AND n.created > %d AND h.nid IS NULL"; + $sql = "SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} tn ON n.nid = tn.nid AND tn.tid = %d LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d WHERE n.status = 1 AND n.created > %d AND h.nid IS NULL"; $sql = db_rewrite_sql($sql); return db_result(db_query($sql, $term, $uid, NODE_NEW_LIMIT)); } @@ -838,11 +791,11 @@ function forum_get_topics($tid, $sortby, $term = taxonomy_get_term($tid); - $sql = db_rewrite_sql("SELECT n.nid, f.tid, n.title, n.sticky, u.name, u.uid, n.created AS timestamp, n.comment AS comment_mode, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) AS last_comment_name, l.last_comment_uid, l.comment_count AS num_comments FROM {node_comment_statistics} l, {users} cu, {term_node} r, {users} u, {forum} f, {node} n WHERE n.status = 1 AND l.last_comment_uid = cu.uid AND n.nid = l.nid AND n.nid = r.nid AND r.tid = %d AND n.uid = u.uid AND n.vid = f.vid"); + $sql = db_rewrite_sql("SELECT n.nid, r.tid, n.title, n.sticky, u.name, u.uid, n.created AS timestamp, n.comment AS comment_mode, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) AS last_comment_name, l.last_comment_uid, l.comment_count AS num_comments FROM {node_comment_statistics} l, {users} cu, {term_node} r, {users} u, {node} n WHERE n.status = 1 AND l.last_comment_uid = cu.uid AND n.nid = l.nid AND n.nid = r.nid AND r.tid = %d AND n.uid = u.uid AND n.vid = r.vid"); $sql .= tablesort_sql($forum_topic_list_header, 'n.sticky DESC,'); $sql .= ', n.created DESC'; // Always add a secondary sort order so that the news forum topics are on top. - $sql_count = db_rewrite_sql("SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum'"); + $sql_count = db_rewrite_sql("SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1"); $result = pager_query($sql, $forum_per_page, 0, $sql_count, $tid); $topics = array(); @@ -883,7 +836,7 @@ function forum_get_topics($tid, $sortby, function _forum_new($tid) { global $user; - $sql = "SELECT n.nid FROM {node} n LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum' AND h.nid IS NULL AND n.created > %d ORDER BY created"; + $sql = "SELECT n.nid FROM {node} n LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND h.nid IS NULL AND n.created > %d ORDER BY created"; $sql = db_rewrite_sql($sql); $nid = db_result(db_query_range($sql, $user->uid, $tid, NODE_NEW_LIMIT, 0, 1)); @@ -916,7 +869,8 @@ function theme_forum_display($forums, $t global $user; // forum list, topics list, topic browser and 'add new topic' link - $vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', '')); + $vid = variable_get('forum_nav_vocabulary', ''); + $vocabulary = taxonomy_vocabulary_load($vid); $title = !empty($vocabulary->name) ? $vocabulary->name : ''; // Breadcrumb navigation: @@ -944,18 +898,38 @@ function theme_forum_display($forums, $t if (count($forums) || count($parents)) { $output = '