Preserve Line Breaks From TextArea

Two solutions for this:

1. PHP function nl2br():

   e.g.,

   echo nl2br("This\r\nis\n\ra\nstring\r");
   
   // will output
   This<br />
   is<br />
   a<br />
   string<br />
   

2. Wrap the input in <pre></pre> tags.

   See: W3C Wiki – HTML/Elements/pre