htmlentities() for display session variable in a form

[orange08]

in my case, i'll save the user input from a form into database without using htmlentities() on the input. then, when the data being displayed, i'm only display it with htmlentities()...

 

but, then i'm thinking about one problem...in my form, for each of the field, i'll echo the user input in a session variable, so that when the user return to the page again(due to validation check), then user don't need to reenter all the fields again.

 

so, in this case, should i use htmlentities() for displaying my session variable or not?

e.g

<input name="title" value="<?php if(!empty($_SESSION['title']))echo $_SESSION['title']; ?>">

 

the above code is within a form...