isInstalled('newsletter'))
{
return;
}
if(!USER || !$sql -> db_Select('newsletter', '*', "newsletter_parent='0'"))
{ // no newsletters defined yet
return FALSE;
}
$newsletterArray = $sql -> db_getList();
$requery = false;
include_lan(e_PLUGIN.'newsletter/languages/'.e_LANGUAGE.'.php');
foreach($_POST as $key => $value)
{
if(strpos($key, 'nlUnsubscribe_') === 0)
{
$subid = str_replace('nlUnsubscribe_', '', $key);
$newsletterArray[$subid]['newsletter_subscribers'] = str_replace(chr(1).USERID, "", $newsletterArray[$subid]['newsletter_subscribers']);
$sql -> db_Update('newsletter', "newsletter_subscribers='".$newsletterArray[$subid]['newsletter_subscribers']."' WHERE newsletter_id='".intval($subid)."' ");
$requery = true;
}
else if(strpos($key, 'nlSubscribe_') === 0)
{
$subid = str_replace("nlSubscribe_", "", $key);
$nl_subscriber_array = $newsletterArray[$subid]['newsletter_subscribers'];
if (!array_key_exists(USERID, $nl_subscriber_array))
{ // prevent double entry of same user id
$newsletterArray[$subid]['newsletter_subscribers'] .= chr(1).USERID;
$subscribers_list = array_flip(explode(chr(1), $newsletterArray[$subid]['newsletter_subscribers']));
sort($subscribers_list);
$new_subscriber_list = implode(chr(1), array_keys($subscribers_list));
if (substr($new_subscriber_list, 0, 1) == '0')
{ // remove the possible zero caused by function array_flip
$new_subscriber_list = substr($new_subscriber_list, 1);
}
$sql -> db_Update('newsletter', "newsletter_subscribers='".$new_subscriber_list."' WHERE newsletter_id='".intval($subid)."' ");
$requery = true;
}
}
}
global $tp;
if($requery)
{
if($sql -> db_Select('newsletter', '*', "newsletter_parent='0' "))
{
$newsletterArray = $sql -> db_getList();
}
}
$text = '';
foreach($newsletterArray as $nl)
{
$text .= "
";
}
$ns -> tablerender(NLLAN_MENU_CAPTION, $text);
?>