switch($_POST['radio1']) { case 1: $b = 'checked'; break; case 2: $c = 'checked'; break; case 3: $d = 'checked'; break; default: $a = 'checked'; } <input type="radio" name="radio1" value="no" <?=$a?>>Все <input type="radio" name="radio1" value="1" <?=$b?>>Покупка <input type="radio" name="radio1" value="2" <?=$c?>>Продажа <input type="radio" name="radio1" value="3" <?=$d?>>Аренда
$result = mysql_query ("SELECT * FROM `base` ORDER BY `id` ASC");
$result = mysql_query ("SELECT * FROM `base`"); for ($i = 0; $i < 2; $i++) { $row = mysql_fetch_array ($result); echo $row["opis"].'<br />'; }