title: how to prevent hacking from POST method
body: <p>I have a script that use $_POST variable to store to the database.</p>
  
  <p>There are some users who is trying to cheat the system by making their own post form method or using curl to send post variable and value to the server.</p>
  
  <p>How can I prevent this attack?</p>
  
  <p>Thank You</p>