Intercom.io Magento CE Integration

gistfile1.php

<?php
/*
 *   /app/design/frontend/default/your_theme/template/page/intercom-io.phtml
 */

// Settings for the intercom.io app.


// Thanks to http://stackoverflow.com/a/14092378/1916670 (http://stackoverflow.com/users/452902/b4nz41) for this.
function convertMysqlDateTimeToUnixTimeStamp($date) {
    $yr=strval(substr($date,0,4));
    $mo=strval(substr($date,5,2));
    $da=strval(substr($date,8,2));
    $hr=strval(substr($date,11,2));
    $mi=strval(substr($date,14,2));
    $se=strval(substr($date,17,2));
    return mktime($hr,$mi,$se,$mo,$da,$yr);
}


if( $this->helper('customer')->isLoggedIn() ): ?>
          <?php $customer = Mage::helper('customer')->getCustomer()->getData(); ?>
          <script id="IntercomSettingsScriptTag">
          var intercomSettings = {
            app_id:     'ua6uk2qd',
            email:      "<?php echo $customer['email']; ?>",
            name:       "<?php echo $customer['firstname'] . ' ' . $customer['lastname']; ?>",
            user_id:    "<?php echo $customer['entity_id']; ?>",
            created_at: "<?php echo convertMysqlDateTimetoUnixTimeStamp($customer['created_at']);?>"
          };

          (function() {
            var i=function(){i.c(arguments)};i.q=[];
            i.c=function(args){i.q.push(args)};window.Intercom=i;
            function async_load() {
              var s = document.createElement('script');
              s.type = 'text/javascript'; s.async = true;
              s.src = 'https://api.intercom.io/api/js/library.js';
              var x = document.getElementsByTagName('script')[0];
              x.parentNode.insertBefore(s, x);
            }
            if (window.attachEvent) {
              window.attachEvent('onload', async_load);
            } else {
              window.addEventListener('load', async_load, false);
            }
          })();
        </script>
<?php endif; ?>

/* 
 *  This goes in the theme's layout/local.xml file (in the <default> section)
 *  - it could also go into the page.xml file...
 */
 <reference name="before_body_end">
    <block type="core/template" template="page/intercom-io.phtml" />
 </reference>