O kodlar bu şekilde
<?php

session_start();

include("../config.php");

site::isAjax();



$lastid = (int)$_POST['lastid'];



if(!empty($lastid)){



	$products = site::products(12, 1, '', '', '', '', '', $lastid, 'order by id desc');

	$obj = array();



	if($products>0){

	

		$pl = 0;

		foreach($products as $r){

			$pl++;

			

			if($pl%4==0){ 

				$last = ' class="last"'; 

			}else{ 

				$last = ''; 

			}

			

			$obj['list'].= '<li'.$last.'>

								<a href="'.site::pLink($r->id, 'products').'" title="'.$r->baslik.'">

									<img src="'.site::pImage($r->resim, 'list/').'" width="224" height="289" alt="'.$r->baslik.'">

								</a>

								<h3>

									<a href="'.site::pLink($r->id, 'products').'" title="'.$r->baslik.'">'.$r->baslik.'</a>

								</h3>

								<div class="p_price">Metrekare Fiyatı : '.site::pPrice($r->id, true).'</div>

								<a class="p_detail" href="'.site::pLink($r->id, 'products').'" title="Ürünü İncele">ÜRÜNÜ İNCELE</a>

							</li>';

			

			$last_id = $r->id;



			$obj['lastid'] = $last_id;

		}

		

	}else{

		$obj['list'] = null;

		$obj['lastid'] = null;

	}

}



echo json_encode($obj);



?>