How to put remember me (cookie) in PHP - php

Question

I was making a login page. so I already can login into another page. then in my login page I need to put remember me checkbox and PHP. so which part in this codes that I need to put my "remember me " codes ? please help me.
this is login1.php
<?php
session_start();
//database connection
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "lala";
// Create connection
$link = mysql_connect($servername,$username,$password) or die("Could not connect");
$db= mysql_select_db("$dbname",$link) or die ("Could not select database");
$login = $_POST['login'];
$password = md5($_POST['password']);
$rememberme = $_POST['remember_me'];
$result = mysql_query("SELECT * from admin WHERE working_id = '$login' and password = '$password'");
$count = mysql_num_rows($result);
if($count==1)
{
//check remember me is on or off
//if off then session login
//else add cookie
$_SESSION['username'] = $login;
$_SESSION['password'] = $password;
$result1 = mysql_query("SELECT * from admin WHERE working_id = '$login' and password = '$password'");
while($row = mysql_fetch_array($result1)){
$_SESSION['gp'] = $row['gpType'];
}
header('Location:dashboard.php');
}
else
{
$_SESSION['username'] = NULL;
$_SESSION['password'] = NULL;
?>
<script type = "text/Javascript">
alert("Sorry , wrong username or password");
setTimeout("location.href = 'abc.php';");
</script>
<?php
}
?>
this is my html
<p><input type="password" name="password" value="" placeholder="Password"></p>
</div>
<div id="form2">
<p class="remember_me">
<label>
<input type="checkbox" name="remember_me" id="remember_me">
Remember me
</label>
</p></div>
<div id="form3">
<p class="submit"><input type="submit" name="commit" value="Login"></p>
</form>
</div>

Answer 1

Just Use this code after getting the $login and $password
<?php
if($_POST["remember_me"]=='1' || $_POST["remember_me"]=='on')
{
$hour = time() + 3600 * 24 * 30;
setcookie('username', $login, $hour);
setcookie('password', $password, $hour);
}
?>