PHP bilgi UPDATE sorunu

 
  if($_POST['onay']){$onay = 1; }else{$onay = 0;} 
          $db->query ("UPDATE firma SET isim='$_POST[isim]' ,kategori='$_POST[kategori]', email='$_POST[email]', tel='$_POST[tel]', url='$_POST[url]', aciklama='$_POST[aciklama]', onay='$onay'  WHERE id='$_POST[id]'"); 
           
      } 
   
   
  <?php   
      if ($_GET['page'] ==  "new"){ 
       ?> 
       
      <form action="?req=new" method="post"> 
      <p><label>İsim:</label><input type='text' name="isim" /></p> 
      <p> 
          <label>Kategori:</label> 
          <select name="kategori" size="1"> 
              <?php 
               
              $sorgu=$db->query("SELECT * FROM kategori WHERE  ust='0'"); 
              while($bilgi = $sorgu->fetch()) 
              { 
                  echo "$bilgi[isim]"; 
                   
              $sorgu2=$db->query("SELECT * FROM kategori WHERE  ust='$bilgi[id]'"); 
                  while($bilgi2 = $sorgu2->fetch()) 
                  { 
                      echo "<option value='$bilgi2[id]'>- $bilgi2[isim]</option>"; 
                  } 
              }  
               
               
               
              ?> 
               
          </select>      
        </p> 
           
          <p><label>Email:</label><input type="text" name="email" /></p> 
          <p><label>Telefon:</label><input type="text" name="tel" /></p> 
          <p><label>Web Adres:</label><input type="text" name="url" /></p> 
          <p><label>Açıklama:</label><textarea name="aciklama"></textarea></p> 
          <p><label>Onay:</label><input type="checkbox" name="onay" /></p> 
          <p><label> </label><input type="submit" value="Kaydet"  /></p> 
      
      </form> 
      <?php } elseif ($_GET['page'] == "upd"){ 
           
          $sorgu = $db->query("SELECT * FROM firma WHERE id='$_GET[id]'"); 
          $bilgi = $sorgu->fetch(); 
           
          ?> 
      <form action="?req=upd" method="post"> 
     <p><label>İsim:</label><input type='text' name="isim" value = "<?php echo $bilgi['isim']; ?>" /></p> 
      <p> 
          <label>Kategori:</label> 
          <select name="kategori" size="1"> 
           
           
       
              <?php 
               
              $sorgu2=$db->query("SELECT * FROM kategori WHERE  ust='0'"); 
              while($bilgi2 = $sorgu2->fetch()) 
              { 
                   
                      echo "<option value='$bilgi2[id]'>$bilgi2[isim]</option>"; 
                       
                   
              $sorgu3=$db->query("SELECT * FROM kategori WHERE  ust='$bilgi2[id]'"); 
                  while($bilgi3 = $sorgu3->fetch()) 
                  { 
                       
                      echo "<option value='$bilgi3[id]'>$bilgi3[isim]</option>"; 
                      } 
                  } 
               
              ?> 
               
          </select>      
        </p> 
           
          <p><label>Email:</label><input type="text" name="email" value = "<?php echo $bilgi['email']; ?>" /></p> 
          <p><label>Telefon:</label><input type="text" name="tel" value = "<?php echo $bilgi['tel']; ?>" /></p> 
          <p><label>Web Adres:</label><input type="text" name="url" value = "<?php echo $bilgi['url']; ?>" /></p> 
          <p><label>Açıklama:</label><textarea name="aciklama"><?php echo $bilgi['aciklama']; ?></textarea></p> 
          <p><label>Onay:</label><input type="checkbox"  name="onay" /></p> 
          <p><label> </label><input type="submit" value="Güncelle"  /></p> 
           
          <?php  
              if($bilgi[onay] == 1){ $add = "checked=\"checked\"";} 
           
          ?> 
           
             <input type="hidden" name="id" value = "<?php echo $bilgi['id']; ?>" /> 
      
      </form> 
       
      <?php