รบกวนขอวิธีการเช็ค ว่า ไม่ให้ เช็คจาก m_lline ใน ดาต้าเบสแล้วหากเกิน 3 ครั้งต่อวัน จะไม่ให้โพส

<?php
include('connect.inc.php');
require_once "thumb/global.func.php";
if(isset($_POST[submit])){

if($_POST[name]=="" or  $_POST[lineid]==""){echo"<script>alert('กรุณาใส่ชื่อหรือline id ด้วยค่ะ');history.back();</script>";exit();}

$sql="INSERT INTO member(m_id, m_name, m_line, m_info, m_age, m_sex, m_address, m_view, m_date)";
$sql.=" VALUES('', '$_POST[name]', '$_POST[lineid]', '$_POST[info]', '$_POST[age]', '$_POST[sex]', '$_POST[address]', '0', NOW())";
mysql_query($sql);

	$rand = substr(str_shuffle('abcdefghijklmnopqrstuvwxyz0123456789'),0,5);

	$fileupload=$_FILES['image'] ['tmp_name'];
	$fileupload_name=$_FILES['image'] ['name'];
	$fileupload_size=$_FILES['image'] ['size'];
	$fileupload_type=$_FILES['image'] ['type'];

		if ($fileupload) {
			$array_last=explode (".", $fileupload_name);
			$c=count  ($array_last) -1 ;
			$lastname=strtolower ($array_last [$c]);

				if ($lastname=="gif"  or   $lastname=="jpg"  or  $lastname=="jpeg"  or $lastname=="png") {
				$sql101="select max(m_id) from member ";
				$result101=mysql_query($sql101);
				$row = mysql_fetch_row($result101);
				$idm=$row[0];


				$sql102="select max(m_line) from member ";
				$result102=mysql_query($sql102);
				$row1 = mysql_fetch_row($result102);
				$idm1=$row1[0];

				$photonamet=$row[0].$rand.".".$lastname ;
				copy($fileupload, "photo/" .$photonamet);

				$sql102="update member SET m_photo='$photonamet' where m_id='$row[0]' ";
				$result102 = mysql_query($sql102);
				$thumbdir = "photo/thumb/"; //ระบบ thumb
				thumbnail($fileupload, $thumbdir . $photonamet);
				echo "<script>$error;window.location='https://www.linefriendly.com/line/".$idm."/".$_POST['lineid']."';</script>";

				}
			}
}

?>