liked function

public function actionLiked(){
         $ipaddress=$_SERVER['REMOTE_ADDR'];
         $storyid=$_POST['storyid'];

         $SQL="SELECT * FROM tutorial_approved where id='$storyid'";
         $commands=Yii::app()->db->createCommand($SQL);
         $result=$commands->queryRow();

         $sql = "SELECT * FROM likes WHERE approved_id='$storyid' AND ip='".$ipaddress."'";
         $query = Yii::app()->db->createCommand($sql);
         $data=$query->queryScalar();

         if ($data[0]==null) {
         if ($result['likes']==0 || $result['likes']==NULL) {

            $SQL1="update tutorial_approved set likes=1 where id='$storyid'";
            $command= Yii::app()->db->createCommand($SQL1);
            $n1=$command->execute();

         }else{

            $SQL2="update tutorial_approved set likes=likes+1 where id='$storyid'";
            $command= Yii::app()->db->createCommand($SQL2);
            $n2=$command->execute();

         }

            $SQL3="insert into likes values('','$storyid','".$ipaddress."') ";
            $command= Yii::app()->db->createCommand($SQL3);
            $n3=$command->execute();


        }else{
            $SQL4="DELETE FROM likes where approved_id='$storyid' and ip='".$ipaddress."' ";
            $command= Yii::app()->db->createCommand($SQL4);
            $n4=$command->execute();

            $SQL5="update tutorial_approved set likes=likes-1 where id='$storyid'";
            $command= Yii::app()->db->createCommand($SQL5);
            $n5=$command->execute();
        }

        $SQL="SELECT * FROM tutorial_approved where id='$storyid'";
        $commands=Yii::app()->db->createCommand($SQL);
        $reslt=$commands->queryRow();

        echo $reslt['likes'] ;

    }