Capture newline from a textarea input

Question

I have a textarea form in my html. If the user hits enter between 2 sentences that data should be carried over to my PHP.

Currently if the user enters:

Answer 1

This is because when you echo it it's being displayed as HTML. A \n character is interpreted as a space. If you view the source you'll see your desired output.

To convert \n to
use:

echo nl2br( $str );