<input name="list[]" id="4775" value="4775" type="checkbox">
/* .... */ $deletedmessageid = array_map('intval', (array) $_POST['list']); $deletedmessageid = implode(', ', $deletedmessageid); if ($deletedmessageid) { mysql_query("update `messages` set `deleted`='1' where `messageid` IN({$deletemessageid})") or die(mysql_error()); $sucess = "Message id# $deletemessageid Deleted"; }