API v3 and TXP Calendar Events List Display

<h2 class="topper black">Upcoming Events:</h2>

<txp:variable name="CALPIPE"><txp:aks_cache id="CALPIPE"><txp:php>echo file_get_contents("YOURYAHOOPIPEJSONFEEDURL");</txp:php></txp:aks_cache></txp:variable>
<txp:php>
date_default_timezone_set('America/Chicago');
$json = json_decode(parse('<txp:variable name="CALPIPE" />'), true);
if(empty($json)) return;
$oldate = '';
foreach($json['value']['items'] as $i => $a) {
  $ts = strtotime($a['start']);
  $te = strtotime($a['end']);
  $title = htmlspecialchars($a['title']);
  $location = htmlspecialchars($a['location']);
    if($oldate != ($date = strftime('%a, %B %e:', $ts)))
    echo $i ? "</h3>\n<h3 class=\"event-date\">" : "<h3 class=\"event-date first\">", ($oldate = $date), "</h3>\n";
        if (empty($a['location']) && strftime('%I:%M%P', $ts) == '12:00am')
        echo '<strong>', $title , '</strong></div>';
        elseif (strftime('%I:%M%P', $ts) == '12:00am' && isset($a['location']))
        echo '<strong>', $title , '</strong><br />' , $location ,'<br /><br />';
        elseif (strftime('%I:%M%P', $ts) != '12:00am' && empty($a['location']))
        echo '<strong>', $title , '</strong><br />' , strftime('%l:%M%P', $ts) ,' - ' , strftime('%l:%M%P', $te) ,'<br /><br /></div>';
  else echo '<strong>', $title , '</strong><br />' , strftime('%l:%M%P', $ts) ,' - ' , strftime('%l:%M%P', $te) ,'<br />' , $location ,'<br /><br />';
}
</txp:php>