title: Can someone explain ja_JP.UTF8?
body: <p>I know utf8,but what's the difference between *.utf8?</p>
  
  <p>From <a href="https://stackoverflow.com/questions/2048347/how-to-specify-encoding-while-process-csv-file-in-php/2048358#2048358">the answer to my post</a></p>