$var){ if($key != 'addresses') $_POST[$key] = preg_replace('@[^a-z0-9\.\,]+@si','',$var); } $dump = ''; foreach($addresses AS $key => $address){ if($address != ''){ $ports = explode(',',trim($_POST['ports'])); foreach($ports AS $port){ if($port != ''){ $dump.='tcp:'.$_POST['direction'].':d='.$port.':s='.trim($address)."\n"; } } } } } //Check For Entry $_POST['in'] = isset($_POST['direction']) && $_POST['direction'] == 'in' ? 'selected' : ''; $_POST['out'] = isset($_POST['direction']) && $_POST['direction'] == 'out' ? 'selected' : ''; $_POST['ports'] = isset($_POST['ports']) ? $_POST['ports'] : ''; $_POST['addresses'] = isset($_POST['addresses']) ? $_POST['addresses'] : ''; $dump = isset($dump) ? $dump : ''; //Show Form $html = '