title: PHP handle a blob without creating a file
body: <p>I there a way to handle a blob(a file saved to mysql) without having to create a file?</p>
  
  <p>I need to retrive a blob from the db, wich can be any kind of file, img, text, video, etc. and be able to show it in html.</p>
  
  <p>So far, what I managed to do is to create a file and work with it. But this has a little problem and it is that i have to delete it after the user stop working with the file. But I can not create a cronjob(or something simillar) to delete these files after some time.</p>
  
  <p>Any Ideas?</p>
  
  <p>Thanks!</p>