net::ERR_EMPTY_RESPONSE จะแก้ไขปัญหานี้ได้ยังครับ

elseif($this->function == 'update')
		{
			$state = $_POST['state'];

			$sql = "
			SELECT message FROM message ORDER BY id_message DESC;
			";

			$query = mysql_query($sql);
			$num_row = mysql_num_rows($query);
			//$result = mysql_fetch_array($query);

			if($state == $num_row)
			{

        		 $this->log['state'] = $state;
        		 $this->log['text'] = false;
        		 
        	}
        	else
        	{
        		$text = array();
        		$this->log['state'] = $state + $num_row - $state;

        		$i = $state;

        		while($i < $num_row)
				{
					$result = mysql_fetch_array($query);

					if($num_row >= $state){

						$text[] =  $result['message'];

						//echo $result['message']."<br>";

					}

					$i++;

				}

				$this->log['text'] = $text;

        	}

		}