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@@ -64,6 +64,7 @@ function ManageMaintenance()
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'backup' => 'MaintainDownloadBackup',
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'convertentities' => 'ConvertEntities',
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'convertutf8' => 'ConvertUtf8',
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+ 'convertmsgbody' => 'ConvertMsgBody',
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),
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),
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'members' => array(
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@@ -132,6 +133,19 @@ function MaintainDatabase()
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$context['convert_utf8'] = $db_type == 'mysql' && (!isset($db_character_set) || $db_character_set !== 'utf8' || empty($modSettings['global_character_set']) || $modSettings['global_character_set'] !== 'UTF-8') && version_compare('4.1.2', preg_replace('~\-.+?$~', '', $smcFunc['db_server_info']()), '<=');
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$context['convert_entities'] = $db_type == 'mysql' && isset($db_character_set, $modSettings['global_character_set']) && $db_character_set === 'utf8' && $modSettings['global_character_set'] === 'UTF-8';
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+ if ($db_type == 'mysql')
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+ {
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+ db_extend('packages');
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+
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+ $colData = $smcFunc['db_list_columns']('{db_prefix}messages', true);
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+ foreach ($colData as $column)
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+ if ($column['name'] == 'body')
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+ $body_type = $column['type'];
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+
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+ $context['convert_to'] = $body_type == 'text' ? 'mediumtext' : 'text';
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+ $context['convert_to_suggest'] = ($body_type != 'text' && !empty($modSettings['max_messageLength']) && $modSettings['max_messageLength'] < 65536);
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+ }
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+
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// Check few things to give advices before make a backup
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// If safe mod is enable the external tool is *always* the best (and probably the only) solution
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$context['safe_mode_enable'] = @ini_get('safe_mode');
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@@ -733,6 +747,148 @@ function ConvertUtf8()
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redirectexit('action=admin;area=maintain;done=convertutf8');
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}
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+/**
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+ * Convert the column "body" of the table {db_prefix}messages from TEXT to MEDIUMTEXT and vice versa.
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+ * It requires the admin_forum permission.
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+ * This is needed only for MySQL.
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+ * During the convertion from MEDIUMTEXT to TEXT it check if any of the posts exceed the TEXT length and if so it aborts.
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+ * This action is linked from the maintenance screen (if it's applicable).
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+ * Accessed by ?action=admin;area=maintain;sa=database;activity=convertmsgbody.
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+ *
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+ * @uses the convert_msgbody sub template of the Admin template.
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+ */
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+function ConvertMsgBody()
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+{
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+ global $scripturl, $context, $txt, $language, $db_character_set, $db_type;
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+ global $modSettings, $user_info, $sourcedir, $smcFunc, $db_prefix, $time_start;
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+
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+ // Show me your badge!
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+ isAllowedTo('admin_forum');
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+
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+ if ($db_type != 'mysql')
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+ return;
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+
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+ db_extend('packages');
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+
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+ $colData = $smcFunc['db_list_columns']('{db_prefix}messages', true);
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+ foreach ($colData as $column)
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+ if ($column['name'] == 'body')
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+ $body_type = $column['type'];
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+
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+ $context['convert_to'] = $body_type == 'text' ? 'mediumtext' : 'text';
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+
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+ if ($body_type == 'text' || ($body_type != 'text' && isset($_POST['do_conversion'])))
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+ {
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+ checkSession();
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+ validateToken('admin-maint');
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+
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+ // Make it longer so we can do their limit.
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+ if ($body_type == 'text')
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+ $smcFunc['db_change_column']('{db_prefix}messages', 'body', array('type' => 'mediumtext'));
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+ // Shorten the column so we can have a bit (literally per record) less space occupied
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+ else
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+ $smcFunc['db_change_column']('{db_prefix}messages', 'body', array('type' => 'text'));
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+
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+ $colData = $smcFunc['db_list_columns']('{db_prefix}messages', true);
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+ foreach ($colData as $column)
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+ if ($column['name'] == 'body')
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+ $body_type = $column['type'];
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+
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+ $context['maintenance_finished'] = $txt[$context['convert_to'] . '_title'];
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+ $context['convert_to'] = $body_type == 'text' ? 'mediumtext' : 'text';
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+ $context['convert_to_suggest'] = ($body_type != 'text' && !empty($modSettings['max_messageLength']) && $modSettings['max_messageLength'] < 65536);
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+
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+ return;
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+ redirectexit('action=admin;area=maintain;sa=database');
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+ }
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+ elseif ($body_type != 'text' && (!isset($_POST['do_conversion']) || isset($_POST['cont'])))
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+ {
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+ checkSession();
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+ if (empty($_REQUEST['start']))
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+ validateToken('admin-maint');
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+ else
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+ validateToken('admin-convertMsg');
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+
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+ $context['page_title'] = $txt['not_done_title'];
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+ $context['continue_post_data'] = '';
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+ $context['continue_countdown'] = 3;
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+ $context['sub_template'] = 'not_done';
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+ $increment = 500;
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+ $id_msg_exceeding = isset($_POST['id_msg_exceeding']) ? explode(',', $_POST['id_msg_exceeding']) : array();
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+
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+ $request = $smcFunc['db_query']('', '
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+ SELECT COUNT(*) as count
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+ FROM {db_prefix}messages',
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+ array()
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+ );
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+ list($max_msgs) = $smcFunc['db_fetch_row']($request);
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+ $smcFunc['db_free_result']($request);
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+
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+ // Try for as much time as possible.
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+ @set_time_limit(600);
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+
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+ while ($_REQUEST['start'] < $max_msgs)
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+ {
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+ $request = $smcFunc['db_query']('', '
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+ SELECT /*!40001 SQL_NO_CACHE */ id_msg
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+ FROM {db_prefix}messages
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+ WHERE id_msg BETWEEN {int:start} AND {int:start} + {int:increment}
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+ AND LENGTH(body) > 65535',
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+ array(
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+ 'start' => $_REQUEST['start'],
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+ 'increment' => $increment - 1,
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+ )
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+ );
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+ while ($row = $smcFunc['db_fetch_assoc']($request))
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+ $id_msg_exceeding[] = $row['id_msg'];
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+ $smcFunc['db_free_result']($request);
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+
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+ $_REQUEST['start'] += $increment;
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+
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+ if (array_sum(explode(' ', microtime())) - array_sum(explode(' ', $time_start)) > 3)
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+ {
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+ createToken('admin-convertMsg');
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+ $context['continue_post_data'] = '
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+ <input type="hidden" name="' . $context['admin-convertMsg_token_var'] . '" value="' . $context['admin-convertMsg_token'] . '" />
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+ <input type="hidden" name="' . $context['session_var'] . '" value="' . $context['session_id'] . '" />
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+ <input type="hidden" name="id_msg_exceeding" value="' . implode(',', $id_msg_exceeding) . '" />';
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+
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+ $context['continue_get_data'] = '?action=admin;area=maintain;sa=database;activity=convertmsgbody;start=' . $_REQUEST['start'];
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+ $context['continue_percent'] = round(100 * $_REQUEST['start'] / $max_msgs);
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+
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+ return;
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+ }
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+ }
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+ createToken('admin-maint');
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+ $context['page_title'] = $txt[$context['convert_to'] . '_title'];
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+ $context['sub_template'] = 'convert_msgbody';
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+
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+ if (!empty($id_msg_exceeding))
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+ {
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+ if (count($id_msg_exceeding) > 100)
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+ {
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+ $query_msg = array_slice($id_msg_exceeding, 0, 100);
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+ $context['exceeding_messages_morethan'] = sprintf($txt['exceeding_messages_morethan'], count($id_msg_exceeding));
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+ }
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+ else
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+ $query_msg = $id_msg_exceeding;
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+
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+ $context['exceeding_messages'] = array();
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+ $request = $smcFunc['db_query']('', '
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+ SELECT id_msg, id_topic, subject
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+ FROM {db_prefix}messages
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+ WHERE id_msg IN ({array_int:messages})',
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+ array(
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+ 'messages' => $query_msg,
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+ )
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+ );
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+ while ($row = $smcFunc['db_fetch_assoc']($request))
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+ $context['exceeding_messages'][] = '<a href="' . $scripturl . '?topic=' . $row['id_topic'] . '.msg' . $row['id_msg'] . '#msg' . $row['id_msg'] . '">' . $row['subject'] . '</a>';
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+ $smcFunc['db_free_result']($request);
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+ }
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+ }
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+}
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+
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/**
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* Converts HTML-entities to their UTF-8 character equivalents.
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* This requires the admin_forum permission.
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emanuele45