tai tikrink ar !isset arba !empty

"Ane" <nera@nereik.ne> wrote in message 
news:gvh9jj$f4f$1@trimpas.omnitel.net...
> Yra php dalis, kur is POST ateina du masyvai su checkbox reiksmemis
> Beda tame, jei viena is tu dvieju post masyvu buna tuscias, foreach 
> keikias. Koki tikrinima butu galima bandyt?  if..else ?
> Jeigu abu masyvai pilni, viskas normlaiai
>
> $banip = $_POST['ban'] ;
> $rmip = $_POST['rm'] ;
> foreach ($banip as &$value) {
> //exec (" iptables -A ids -s $value -j DROP ");
> mysql_query("INSERT INTO bannedips SELECT * FROM newips WHERE ip = 
> '$value'");
> mysql_query("DELETE FROM newips WHERE ip='$value'");
> }
> foreach ($rmip as &$valu) {
> //exec (" iptables -A ids -s $value -j DROP ");
> mysql_query("DELETE FROM newips WHERE ip='$valu'");
> }