title: How to save comment with paragraph(new line) and fetch it from database with paragraph?
body: <p>In my site, I want user to write their comments. But when they push "enter" in textfield, I want to save this comment as new paragraph to mysql. And I want to fetch this comment from mysql with paragraph.   </p>
  
  <p>I googled it and many people suggest "nl2br()", but I couldn't understand how I use it.How can I make it possible? Thank you... </p>