<?php
     $yapisor=$db->prepare("SELECT * FROM yapilar where yapi_kategori=:id  order by yapi_sira ASC");
     $yapisor->execute(array(
      'id' => $_GET['kategori_id']
    ));
     while($yapicek=$yapisor->fetch(PDO::FETCH_ASSOC)) {

       ?>

where yapi_durum=:1;