title: Manage ID's inserted an in input box seperated by commas
body: <p>I'm developing an "input box" where you should insert various ID's seperated by commas (1,2,3,4...etc) where later on I would like to manage these ID's in a MYSQL query. </p>
  
  <p>How is the best way to do this? 
  How can I later use the variable in the MYSQL query?</p>
  
  <p>Thanks in advance for your help!</p>