Square_meters<input type="text" name="Square_meters">

  Location<select name="Location">
 <option>All options</option>
 <option>Bucuresti</option>
 <option>Iasi</option>
 <option>Brasov</option>
 <option>Focsani</option>
  </select>
    Numb_rooms<select name="Numb_rooms">
 <option>All options</option>
 <option>Garsoniera</option>
 <option>2 Camere</option>
 <option>3 Camere</option>
  <option>4 Camere</option>
 <option>Vila</option>
 </select>
   <input type="submit" name="send" value="Search">
  </form>
<?php
 header("content-type: image.jpg");



  if(isset($_POST['send']))
  {
   require_once("conexiune.php"); (this is my conect to sql database script)
  $id = $_POST['id'];
  $price = $_POST['price'];
  $price2 = $_POST['price2'];
  $square_m = $_POST['Square_meters'];
  $location = $_POST['location'];
  $numb_rooms = $_POST['Numb_rooms'];
   $selectie = mysql_query("SELECT * FROM apartamente WHERE id = '$id' && Pret>='$price'&& Pret<='$price2' && Location = '$location' &&     Square_meters='$Square_meters' && Numb_rooms = '$Numb_rooms ' ");


  while($row = mysql_fetch_array($selectie,MYSQL_ASSOC))
      {

      print"<tr><td>";
      print $row['id'];
      print"</td><td>";
      print $row['Pret'];
      print"</td><td>";
      print $row['Nr_camere'];
      print"</td><td>";
      print $row['Suprafata'];
      print"</td><td>";
      print $row['Locatie'];
      print"</td><td>";
      print $row['Descriere'];
      print"</td><td>";

$selectie = mysql_query("SELECT * FROM apartamente WHERE id = '$id'
       && Pret>='$price'&& Pret<='$price2'" . ($location == "ALL OPTIONS" ? "" : "
       && Location = '$location'") . ($Square_meters == "ALL OPTIONS" ? "" : "
       && Square_meters='$Square_meters'") . ($Numb_rooms == "ALL OPTIONS" ? "" : "
       && Numb_rooms = '$Numb_rooms '"));