View source
<?php
function inactive_user_perm() {
return array(
'change inactive user settings',
);
}
function inactive_user_user($type, $edit, &$user) {
switch ($type) {
case 'delete':
db_query("DELETE FROM {inactive_users} WHERE uid = %d", $user->uid);
break;
}
}
function inactive_user_menu($may_cache) {
$items = array();
if ($may_cache) {
$items[] = array(
'path' => 'admin/user/inactive-user',
'title' => t('Inactive users'),
'description' => t('Configure notifications to and removal of inactive users.'),
'callback' => 'drupal_get_form',
'callback arguments' => 'inactive_user_custom_settings',
'type' => MENU_NORMAL_ITEM,
);
}
return $items;
}
function inactive_user_custom_settings() {
if (user_access('change inactive user settings')) {
$period = array(
0 => 'disabled',
) + drupal_map_assoc(array(
604800,
1209600,
1814400,
2419200,
2592000,
7776000,
15552000,
23328000,
31536000,
47088000,
63072000,
), '_format_interval');
$warn_period = array(
0 => 'disabled',
) + drupal_map_assoc(array(
86400,
172800,
259200,
604800,
1209600,
1814400,
2592000,
), '_format_interval');
$mail_variables = ' %username, %useremail, %lastaccess, %period, %sitename, %siteurl';
$form['inactive_user_admin_email_fieldset'] = array(
'#type' => 'fieldset',
'#title' => t('Administrator e-mail'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['inactive_user_admin_email_fieldset']['inactive_user_admin_email'] = array(
'#type' => 'textfield',
'#title' => t('E-mail addresses'),
'#default_value' => _inactive_user_admin_mail(),
'#description' => t('Supply a comma-separated list of e-mail addresses that will receive administrator alerts. Spaces between addresses are allowed.'),
'#maxlength' => 256,
'#required' => TRUE,
);
$form['inactive_user_notification'] = array(
'#type' => 'fieldset',
'#title' => t('Inactive user notification'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['inactive_user_notification']['inactive_user_notify_admin'] = array(
'#type' => 'select',
'#title' => t('Notify administrator when a user hasn\'t logged in for more than'),
'#default_value' => variable_get('inactive_user_notify_admin', 0),
'#options' => $period,
'#description' => t('Generate an email to notify the site administrator that a user account hasn\'t been used for longer than the specified amount of time. Requires crontab.'),
);
$form['inactive_user_notification']['inactive_user_notify'] = array(
'#type' => 'select',
'#title' => t('Notify users when they haven\'t logged in for more than'),
'#default_value' => variable_get('inactive_user_notify', 0),
'#options' => $period,
'#description' => t('Generate an email to notify users when they haven\'t used their account for longer than the specified amount of time. Requires crontab.'),
);
$form['inactive_user_notification']['inactive_user_notify_text'] = array(
'#type' => 'textarea',
'#title' => t('Body of user notification e-mail'),
'#default_value' => variable_get('inactive_user_notify_text', _inactive_user_mail_text('notify_text')),
'#cols' => 70,
'#rows' => 10,
'#description' => t('Customize the body of the notification e-mail sent to the user.') . ' ' . t('Available variables are:') . $mail_variables,
'#required' => TRUE,
);
$form['block_inactive_user'] = array(
'#type' => 'fieldset',
'#title' => t('Automatically block inactive users'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['block_inactive_user']['inactive_user_auto_block'] = array(
'#type' => 'select',
'#title' => t('Block users that haven\'t logged in for more than'),
'#default_value' => variable_get('inactive_user_auto_block', 0),
'#options' => $period,
'#description' => t('Automatically block user accounts that haven\'t been used in the specified amount of time. Requires crontab.'),
);
$form['block_inactive_user']['inactive_user_notify_block'] = array(
'#type' => 'checkbox',
'#title' => t('Notify user'),
'#default_value' => variable_get('inactive_user_notify_block', 0),
'#description' => t('Generate an email to notify a user that his/her account has been automatically blocked.'),
);
$form['block_inactive_user']['inactive_user_block_notify_text'] = array(
'#type' => 'textarea',
'#title' => t('Body of blocked user acount e-mail'),
'#default_value' => variable_get('inactive_user_block_notify_text', _inactive_user_mail_text('block_notify_text')),
'#cols' => 70,
'#rows' => 10,
'#description' => t('Customize the body of the notification e-mail sent to the user when their account has been blocked.') . ' ' . t('Available variables are:') . $mail_variables,
'#required' => TRUE,
);
$form['block_inactive_user']['inactive_user_notify_block_admin'] = array(
'#type' => 'checkbox',
'#title' => t('Notify administrator'),
'#default_value' => variable_get('inactive_user_notify_block_admin', 0),
'#description' => t('Generate an email to notify the site administrator when a user is automatically blocked.'),
);
$form['block_inactive_user']['inactive_user_auto_block_warn'] = array(
'#type' => 'select',
'#title' => t('Warn users before they are blocked'),
'#default_value' => variable_get('inactive_user_auto_block_warn', 0),
'#options' => $warn_period,
'#description' => t('Generate an email to notify a user that his/her account is about to be blocked.'),
);
$form['block_inactive_user']['inactive_user_block_warn_text'] = array(
'#type' => 'textarea',
'#title' => t('Body of user warning e-mail'),
'#default_value' => variable_get('inactive_user_block_warn_text', _inactive_user_mail_text('block_warn_text')),
'#cols' => 70,
'#rows' => 10,
'#description' => t('Customize the body of the notification e-mail sent to the user when their account is about to be blocked.') . ' ' . t('Available variables are:') . $mail_variables,
'#required' => TRUE,
);
$form['delete_inactive_user'] = array(
'#type' => 'fieldset',
'#title' => t('Automatically delete inactive users'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['delete_inactive_user']['inactive_user_auto_delete'] = array(
'#type' => 'select',
'#title' => t('Delete users that haven\'t logged in for more than'),
'#default_value' => variable_get('inactive_user_auto_delete', 0),
'#options' => $period,
'#description' => t('Automatically delete user accounts that haven\'t been used in the specified amount of time. Warning, user accounts are permanently deleted, with no ability to undo the action! Requires crontab.'),
);
$form['delete_inactive_user']['inactive_user_preserve_content'] = array(
'#type' => 'checkbox',
'#title' => t('Preserve users that own site content'),
'#default_value' => variable_get('inactive_user_preserve_content', 1),
'#description' => t('Select this option to never delete users that own site content. If you delete a user that owns content on the site, such as a user that created a node or left a comment, the content will no longer be available via the normal Drupal user interface. That is, if a user creates a node or leaves a comment, then the user is deleted, the node and/or comment will no longer be accesible even though it will still be in the database.'),
);
$form['delete_inactive_user']['inactive_user_notify_delete'] = array(
'#type' => 'checkbox',
'#title' => t('Notify user'),
'#default_value' => variable_get('inactive_user_notify_delete', 0),
'#description' => t('Generate an email to notify a user that his/her account has been automatically deleted.'),
);
$form['delete_inactive_user']['inactive_user_delete_notify_text'] = array(
'#type' => 'textarea',
'#title' => t('Body of deleted user account e-mail'),
'#default_value' => variable_get('inactive_user_delete_notify_text', _inactive_user_mail_text('delete_notify_text')),
'#cols' => 70,
'#rows' => 10,
'#description' => t('Customize the body of the notification e-mail sent to the user when their account has been deleted.') . ' ' . t('Available variables are:') . $mail_variables,
'#required' => TRUE,
);
$form['delete_inactive_user']['inactive_user_notify_delete_admin'] = array(
'#type' => 'checkbox',
'#title' => t('Notify administrator'),
'#default_value' => variable_get('inactive_user_notify_delete_admin', 0),
'#description' => t('Generate an email to notify the site administrator when a user is automatically deleted.'),
);
$form['delete_inactive_user']['inactive_user_auto_delete_warn'] = array(
'#type' => 'select',
'#title' => t('Warn users before they are deleted'),
'#default_value' => variable_get('inactive_user_auto_delete_warn', 0),
'#options' => $warn_period,
'#description' => t('Generate an email to notify a user that his/her account is about to be deleted.'),
);
$form['delete_inactive_user']['inactive_user_delete_warn_text'] = array(
'#type' => 'textarea',
'#title' => t('Body of user warning e-mail'),
'#default_value' => variable_get('inactive_user_delete_warn_text', _inactive_user_mail_text('delete_warn_text')),
'#cols' => 70,
'#rows' => 10,
'#description' => t('Customize the body of the notification e-mail sent to the user when their account is about to be deleted.') . ' ' . t('Available variables are:') . $mail_variables,
'#required' => TRUE,
);
}
return system_settings_form($form);
}
function inactive_user_custom_settings_validate($form_id, $edit) {
$mails = explode(',', $edit['inactive_user_admin_email']);
foreach ($mails as $mail) {
if ($mail && !valid_email_address(trim($mail))) {
$invalid[] = $mail;
$count++;
}
}
if ($count == 1) {
form_set_error('inactive_user_admin_email', t('%mail is not a valid e-mail address', array(
'%mail' => $invalid[0],
)));
}
elseif ($count > 1) {
form_set_error('inactive_user_admin_email', t('The following e-mail addresses are invalid: %mail', array(
'%mail' => implode(', ', $invalid),
)));
}
}
function inactive_user_cron() {
if (time() - variable_get('inactive_user_timestamp', '0') >= 86100) {
variable_set('inactive_user_timestamp', time());
unset($user_list);
$users = db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid <> 1'));
if ($users) {
foreach ($users as $uid) {
$u = db_fetch_object(db_query('SELECT access, name FROM {users} WHERE uid = %d', $uid));
if ($u->access > time() - 604800) {
db_query('DELETE FROM {inactive_users} WHERE uid = %d', $uid);
watchdog('user', t('recent user activity: %user removed from inactivity list', array(
'%user' => $u->name,
)), WATCHDOG_NOTICE, l(t('edit user'), "user/{$uid}/edit"));
}
}
}
if ($notify_time = variable_get('inactive_user_notify_admin', 0)) {
$result = db_query('SELECT uid, name, mail, access, created FROM {users} WHERE ((access <> 0 AND login <> 0 AND access < (%d - %d)) OR (login = 0 AND created < (%d - %d))) AND uid <> 1', time(), $notify_time, time(), $notify_time);
while ($user = db_fetch_object($result)) {
if ($user->uid && !db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d AND notified_admin = 1', $user->uid)) && $user->created < time() - $notify_time) {
db_query('UPDATE {inactive_users} SET notified_admin = 1 WHERE uid = %d', $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, notified_admin) VALUES (%d, 1)', $user->uid);
}
$user_list .= "{$user->name} ({$user->mail}) last active on " . format_date($user->access, 'large') . ".\n";
}
}
if ($user_list) {
_inactive_user_mail(t('[@sitename] Inactive users', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), _inactive_user_mail_text('notify_admin_text'), $notify_time, NULL, $user_list);
unset($user_list);
}
}
if ($notify_time = variable_get('inactive_user_notify', 0)) {
$result = db_query('SELECT * FROM {users} WHERE ((access <> 0 AND login <> 0 AND access < (%d - %d)) OR (login = 0 AND created < (%d - %d))) AND status <> 0 AND uid <> 1', time(), $notify_time, time(), $notify_time);
while ($user = db_fetch_object($result)) {
if ($user->uid && !db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE notified_user = 1 AND uid = %d', $user->uid)) && $user->created < time() - $notify_time) {
db_query('UPDATE {inactive_users} SET notified_user = 1 WHERE uid = %d', $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, notified_user) VALUES (%d, 1)', $user->uid);
}
_inactive_user_mail(t('[@sitename] Account inactivity', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), variable_get('inactive_user_notify_text', _inactive_user_mail_text('notify_text')), $notify_time, $user, NULL);
watchdog('user', t('user %user notified of inactivity', array(
'%user' => $user->name,
)), WATCHDOG_NOTICE, l(t('edit user'), "user/{$user->uid}/edit"));
}
}
}
if (($warn_time = variable_get('inactive_user_auto_block_warn', 0)) && ($block_time = variable_get('inactive_user_auto_block', 0))) {
$result = db_query('SELECT * FROM {users} WHERE ((access <> 0 AND login <> 0 AND access < (%d - %d - %d)) OR (login = 0 AND created < (%d - %d - %d))) AND status <> 0 AND uid <> 1', time(), $warn_time, $block_time, time(), $warn_time, $block_time);
while ($user = db_fetch_object($result)) {
if ($user->uid && !db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d AND warned_user_block_timestamp > 0', $user->uid)) && $user->created < time() - $warn_time - $block_time) {
db_query('UPDATE {inactive_users} SET warned_user_block_timestamp = %d WHERE uid = %d', time() + $warn_time, $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, warned_user_block_timestamp) VALUES (%d, %d)', $user->uid, time() + $warn_time);
}
_inactive_user_mail(t('[@sitename] Account inactivity', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), variable_get('inactive_user_block_warn_text', _inactive_user_mail_text('block_warn_text')), $warn_time, $user, NULL);
watchdog('user', t('user %user warned will be blocked due to inactivity', array(
'%user' => $user->name,
)), WATCHDOG_NOTICE, l(t('edit user'), "user/{$user->uid}/edit"));
}
}
}
if ($block_time = variable_get('inactive_user_auto_block', 0)) {
$result = db_query('SELECT * FROM {users} WHERE ((access <> 0 AND login <> 0 AND access < (%d - %d)) OR (login = 0 AND created < (%d - %d))) AND status <> 0 AND uid <> 1', time(), $block_time, time(), $block_time);
while ($user = db_fetch_object($result)) {
if ($user->uid && db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d AND warned_user_block_timestamp < %d', $user->uid, time())) && $user->created < time() - $block_time) {
db_query('UPDATE {users} SET status = 0 WHERE uid = %d', $user->uid);
if (variable_get('inactive_user_notify_block', 0)) {
if (!db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d AND notified_user_block = 1', $user->uid))) {
db_query('UPDATE {inactive_users} SET notified_user_block = 1 WHERE uid = %d', $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, notified_user_block) VALUES (%d, 1)', $user->uid);
}
_inactive_user_mail(t('[@sitename] Account blocked due to inactivity', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), variable_get('inactive_user_block_notify_text', _inactive_user_mail_text('block_notify_text')), $block_time, $user, NULL);
watchdog('user', t('user %user blocked due to inactivity', array(
'%user' => $user->name,
)), WATCHDOG_NOTICE, l(t('edit user'), "user/{$user->uid}/edit"));
}
}
if (variable_get('inactive_user_notify_block_admin', 0)) {
if (!db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d and notified_admin_block = 1', $user->uid))) {
db_query('UPDATE {inactive_users} SET notified_admin_block = 1 WHERE uid = %d', $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, notified_admin_block) VALUES(%d, 1)', $user->uid);
}
$user_list .= "{$user->name} ({$user->mail}) last active on " . format_date($user->access, 'large') . ".\n";
}
}
}
if ($user_list) {
_inactive_user_mail(t('[@sitename] Blocked users', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), _inactive_user_mail_text('block_notify_admin_text'), $block_time, NULL, $user_list);
unset($user_list);
}
}
}
if (($warn_time = variable_get('inactive_user_auto_delete_warn', 0)) && ($delete_time = variable_get('inactive_user_auto_delete', 0))) {
$result = db_query('SELECT * FROM {users} WHERE ((access <> 0 AND login <> 0 AND access < (%d - %d - %d)) OR (login = 0 AND created < (%d - %d - %d))) AND uid <> 1', time(), $warn_time, $delete_time, time(), $warn_time, $delete_time);
while ($user = db_fetch_object($result)) {
if ($user->uid && !db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d AND warned_user_delete_timestamp > 0', $user->uid)) && $user->created < time() - $warn_time - $delete_time) {
if (variable_get('inactive_user_preserve_content', 1) && _inactive_user_with_content($user->uid)) {
$protected = 1;
}
else {
$protected = 0;
}
db_query('UPDATE {inactive_users} SET warned_user_delete_timestamp = %d AND protected = %d WHERE uid = %d', time() + $warn_time, $protected, $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, warned_user_delete_timestamp, protected) VALUES (%d, %d, %d)', $user->uid, time() + $warn_time, $protected);
}
if (!$protected) {
_inactive_user_mail(t('[@sitename] Account inactivity', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), variable_get('inactive_user_delete_warn_text', _inactive_user_mail_text('delete_warn_text')), $warn_time, $user, NULL);
watchdog('user', t('user %user warned will be deleted due to inactivity', array(
'%user' => $user->mail,
)), WATCHDOG_NOTICE, l(t('edit user'), "user/{$user->uid}/edit"));
}
}
}
}
if ($delete_time = variable_get('inactive_user_auto_delete', 0)) {
$result = db_query('SELECT * FROM {users} WHERE ((access <> 0 AND login <> 0 AND access < (%d - %d)) OR (login = 0 AND created < (%d - %d))) AND uid <> 1', time(), $delete_time, time(), $delete_time);
while ($user = db_fetch_object($result)) {
if ($user->uid && (variable_get('inactive_user_auto_delete_warn', 0) && db_fetch_object(db_query('SELECT uid FROM {inactive_users} WHERE uid = %d AND warned_user_delete_timestamp < %d AND protected <> 1', $user->uid, time())) || !variable_get('inactive_user_auto_delete_warn', 0)) && $user->created < time() - $delete_time) {
if (variable_get('inactive_user_preserve_content', 1) && _inactive_user_with_content($user->uid)) {
db_query('UPDATE {inactive_users} SET protected = 1 WHERE uid = %d', $user->uid);
if (!db_affected_rows()) {
@db_query('INSERT INTO {inactive_users} (uid, protected) VALUES (%d, 1)', $user->uid, $protected);
}
}
else {
$array = (array) $user;
db_query("DELETE FROM {users} WHERE uid = %d", $user->uid);
db_query("DELETE FROM {authmap} WHERE uid = %d", $user->uid);
module_invoke_all('user', 'delete', $array, $user);
if (variable_get('inactive_user_notify_delete', 0)) {
_inactive_user_mail(t('[@sitename] Account removed', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), variable_get('inactive_user_delete_notify_text', _inactive_user_mail_text('delete_notify_text')), $delete_time, $user, NULL);
}
if (variable_get('inactive_user_notify_delete_admin', 0)) {
$user_list .= "{$user->name} ({$user->mail}) last active on " . format_date($user->access, 'large') . ".\n";
}
watchdog('user', t('user %user deleted due to inactivity', array(
'%user' => $user->name,
)));
}
}
}
if ($user_list) {
_inactive_user_mail(t('[@sitename] Deleted accounts', array(
'@sitename' => variable_get('site_name', 'drupal'),
)), _inactive_user_mail_text('delete_notify_admin_text'), $delete_time, NULL, $user_list);
unset($user_list);
}
}
}
}
function _format_interval($timestamp, $granularity = 2) {
$units = array(
'1 year|@count years' => 31536000,
'1 month|@count months' => 2592000,
'1 week|@count weeks' => 604800,
'1 day|@count days' => 86400,
'1 hour|@count hours' => 3600,
'1 min|@count min' => 60,
'1 sec|@count sec' => 1,
);
foreach ($units as $key => $value) {
$key = explode('|', $key);
if ($timestamp >= $value) {
$output .= ($output ? ' ' : '') . format_plural(floor($timestamp / $value), $key[0], $key[1]);
$timestamp %= $value;
$granularity--;
}
if ($granularity == 0) {
break;
}
}
return $output ? $output : t('0 sec');
}
function _inactive_user_admin_mail() {
$admin_mail = db_result(db_query('SELECT mail FROM {users} WHERE uid = 1'));
return variable_get('inactive_user_admin_email', variable_get('site_mail', $admin_mail));
}
function _inactive_user_mail($subject, $message, $period, $user = NULL, $user_list = NULL) {
global $base_url;
if ($user_list) {
$to = _inactive_user_admin_mail();
$variables = array(
'%period' => _format_interval($period),
'%sitename' => variable_get('site_name', 'drupal'),
'%siteurl' => $base_url,
"%userlist" => $user_list,
);
}
elseif (isset($user->uid)) {
$to = $user->mail;
$variables = array(
'%username' => $user->name,
'%useremail' => $user->mail,
'%lastaccess' => empty($user->access) ? t('never') : format_date($user->access, 'custom', 'M d, Y'),
'%period' => _format_interval($period),
'%sitename' => variable_get('site_name', 'drupal'),
'%siteurl' => $base_url,
);
}
if ($to) {
$from = variable_get('site_mail', ini_get('sendmail_from'));
$headers = array(
'Reply-to' => $from,
'Return-path' => "<{$from}>",
'Errors-to' => $from,
);
$recipients = explode(',', $to);
foreach ($recipients as $recipient) {
drupal_mail('inactive_user_email', trim($recipient), $subject, wordwrap(strtr($message, $variables), 80), $from, $headers);
}
}
}
function _inactive_user_mail_text($message) {
switch ($message) {
case 'notify_text':
return t("Hello %username,\n\n We haven't seen you at %sitename since %lastaccess, and we miss you! Please come back and visit us soon at %siteurl.\n\nSincerely,\n %sitename team");
break;
case 'notify_admin_text':
return t("Hello,\n\n This automatic notification is to inform you that the following users haven't been seen on %sitename for more than %period:\n\n%userlist");
break;
case 'block_warn_text':
return t("Hello %username,\n\n We haven't seen you at %sitename since %lastaccess, and we miss you! This automatic message is to warn you that your account will be disabled in %period unless you come back and visit us before that time.\n\n Please visit us at %siteurl.\n\nSincerely,\n %sitename team");
break;
case 'block_notify_text':
return t("Hello %username,\n\n This automatic message is to notify you that your account on %sitename has been automatically disabled due to no activity for more than %period.\n\n Please visit us at %siteurl to have your account re-enabled.\n\nSincerely,\n %sitename team");
break;
case 'block_notify_admin_text':
return t("Hello,\n\n This automatic notification is to inform you that the following users have been automatically blocked due to inactivity on %sitename for more than %period:\n\n%userlist");
break;
case 'delete_warn_text':
return t("Hello %username,\n\n We haven't seen you at %sitename since %lastaccess, and we miss you! This automatic message is to warn you that your account will be completely removed in %period unless you come back and visit us before that time.\n\n Please visit us at %siteurl.\n\nSincerely,\n %sitename team");
break;
case 'delete_notify_text':
return t("Hello %username,\n\n This automatic message is to notify you that your account on %sitename has been automatically removed due to no activity for more than %period.\n\n Please visit us at %siteurl if you would like to create a new account.\n\nSincerely,\n %sitename team");
break;
case 'delete_notify_admin_text':
return t("Hello,\n\n This automatic notification is to inform you that the following users have been automatically deleted due to inactivity on %sitename for more than %period:\n\n%userlist");
break;
}
}
function _inactive_user_with_content($uid) {
return db_fetch_object(db_query('SELECT uid FROM {node} WHERE uid = %d', $uid)) || db_fetch_object(db_query('SELECT uid FROM {comments} WHERE uid = %d', $uid));
}
