mail.php

<?php

  include 'functional.php';

  mail(
    "alan.dipert@gmail.com",
    "Simplerochester.com Submission",
    implode(
      "\n", 
      map(
        '$f', '"$f: $_POST[$f]"',
        select(
          'isset($_POST[$_])',
          array(
              "first-name",
              "last-name",
              "email-address",
              "phone-number",
              "note"
          )
        )
      )
    )
  );
 
?>