Answered Getting proper age in profile

<legend>Register</legend>
[[!Register?
...
  dob:required:isDate=^%m/%d/%Y^,
  email:required:email`
    &placeholderPrefix=`reg.`
]]
 

<div class="register">
    <div class="registerMessage">[[!+reg.error.message]]</div>
    <form class="form" action="[[~[[*id]]]]" method="post">
        <input type="hidden" name="nospam" value="[[!+reg.nospam]]" />
 ...

        <label for="dob">Birthdate
            <span class="error">[[!+reg.error.dob]]</span>
        </label>
        <input type="text" name="dob" id="dob" value="[[!+reg.dob]]" />
 
        <div class="form-buttons">
            <input type="submit" name="registerbtn" value="Register" />

<?php
$ageTime = -596426400; // my dob timestamp
$t = time(); // Store current time for consistency
$age = ($ageTime < 0) ? ( $t + ($ageTime * -1) ) : $t - $ageTime;
$year = 60 * 60 * 24 * 365;
$ageYears = $age / $year;

echo 'You are ' . floor($ageYears) . ' years old.';

<?php
/* extended snippet - get extended fields */
$userid = $input;
$user = $modx->getObject('modUser', $userid);
$profile = $user->getOne('Profile');
$fields = $profile->get('extended');

if ( true === isset($options) ) {
  $field = $options;
  $output = $fields[$field];
} else {
  $output = '';
}
return $output;

[[!+modx.user.id:extended=`test`]]

<?php
/* extended snippet - get extended fields */
$userid = $input;
$output = '';
$user = $modx->getObject('modUser', $userid);
if ($user) {
   $profile = $user->getOne('Profile');
   if ($profile) {
       $fields = $profile->get('extended');
       if ( true === isset($options) ) {
           $output = $fields[$options];
       }
   }
}
return $output;

<?php
/**
/* extended snippet
* returns extended user field
* 6/2014 sottwell
*
* properties
* field - the extended field 
*
* Usage:
* [[!+modx.user.id:extended=`test`]]
**/

$output = '';
if($input) {
  $userid = $input;
  $user = $modx->getObject('modUser', $userid);
  $profile = $user->getOne('Profile');
  $fields = $profile->get('extended');

  if ( true === isset($options) ) {
    $field = $options;
    $output = isset($fields[$field]) ? $fields[$field] : '';
  }
}
return $output;