in the insert record behavior, select the data column and use the code you provided:
<?php echo (date("Y-m-d h:n:s", strtotime("+1 year"))); ?>
as the value
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.