<div class="box-content">

<?php 
if(esc_textarea(of_get_option('box_text' . $i)) != NULL){ 
    echo esc_textarea(of_get_option('box_text' . $i));
    }else{
        echo "Nullam posuere felis a lacus tempor eget dignissim arcu adipiscing. Donec est est, rutrum vitae bibendum vel, suscipit non metus.";}
 ?>
					
</div>