Answer Posted / zahid

$username = $conn->escape_string($_POST['usernmae]);
$password = $conn->escape_string($_POST['password]);

$sql ="SELECT usernmae,password,id from login where md5(usernmae)='$username' and md5(password)='$password';";

$row = $conn->query($sql);
if($row->num_rows >0){
echo "login success";
}
else{
echo "Invalid credentaisl";
}

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