format dates as ISO8601 instead of english text

lib/helpers.php

@@ -23,6 +23,19 @@ function friendly_date($date_string, $tz_offset) {
   return $date->format('F j, Y H:i:s') . ' ' . $tz;
 }
 
+function format_date($date_string, $tz_offset) {
+  if(!$date_string)
+    return '';
+
+  $date = new DateTime($date_string);
+  if($tz_offset > 0)
+    $date->add(new DateInterval('PT'.$tz_offset.'S'));
+  elseif($tz_offset < 0)
+    $date->sub(new DateInterval('PT'.abs($tz_offset).'S'));
+  $tz = ($tz_offset < 0 ? '-' : '+') . sprintf('%02d:%02d', abs($tz_offset/60/60), ($tz_offset/60)%60);
+  return $date->format('Y-m-d H:i:s') . ' ' . $tz;
+}
+
 function build_url($parsed_url) { 
   $scheme   = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : ''; 
   $host     = isset($parsed_url['host']) ? $parsed_url['host'] : ''; 

public/css/style.css

@@ -26,7 +26,6 @@ body.logged-out {
 }
 
 .narrow {
-  background: #fff;
   max-width: 700px;
   margin-right: auto;
   margin-left: auto;
@@ -65,6 +64,7 @@ body.logged-out {
 }
 
 .subscription-status, .feed-status {
+  background: #fff;
   -webkit-border-radius: 4px;
   -moz-border-radius: 4px;
   border-radius: 4px;

views/feed-status.php

@@ -1,4 +1,4 @@
-<?php $tz = -7 * 3600; ?>
+<?php $tz = 0; ?>
 <div class="narrow subscription-status">
 
 <h3>Feed Status</h3>
@@ -9,11 +9,11 @@
   </tr>
   <tr>
     <td>Last Ping Received</td>
-    <td><?= friendly_date($this->feed->push_last_ping_received, $tz) ?></td>
+    <td><?= format_date($this->feed->push_last_ping_received, $tz) ?></td>
   </tr>
   <tr>
     <td>Last Retrieved</td>
-    <td><?= friendly_date($this->feed->last_retrieved, $tz) ?></td>
+    <td><?= format_date($this->feed->last_retrieved, $tz) ?></td>
   </tr>
 </table>
 
@@ -32,19 +32,19 @@
   </tr>
   <tr>
     <td>Date Subscribed</td>
-    <td><?= friendly_date($subscriber->date_created, $tz) ?></td>
+    <td><?= format_date($subscriber->date_created, $tz) ?></td>
   </tr>
   <tr>
     <td>Last Confirmed</td>
-    <td><?= friendly_date($subscriber->date_confirmed, $tz) ?></td>
+    <td><?= format_date($subscriber->date_confirmed, $tz) ?></td>
   </tr>
   <tr>
     <td>Date Expires</td>
-    <td><?= friendly_date($subscriber->date_expires, $tz) ?></td>
+    <td><?= format_date($subscriber->date_expires, $tz) ?></td>
   </tr>
   <tr>
     <td>Last Ping Sent</td>
-    <td><?= friendly_date($subscriber->date_last_ping_sent, $tz) ?></td>
+    <td><?= format_date($subscriber->date_last_ping_sent, $tz) ?></td>
   </tr>
   <tr>
     <td>Last Response<br>(from subscriber)</td>

views/subscription-status.php

@@ -1,4 +1,4 @@
-<?php $tz = -7 * 3600; ?>
+<?php $tz = 0; ?>
 <div class="narrow subscription-status">
 
 <? if($this->subscription->active): ?>
@@ -19,7 +19,7 @@
   </tr>
   <tr>
     <td>Date Subscription was Requested</td>
-    <td><?= friendly_date($this->subscription->date_requested, $tz) ?></td>
+    <td><?= format_date($this->subscription->date_requested, $tz) ?></td>
   </tr>
   <tr>
     <td>Subscription Verification Response<br>(from your server)</td>
@@ -27,18 +27,18 @@
   </tr>
   <tr>
     <td>Date Subscription was Confirmed</td>
-    <td><?= friendly_date($this->subscription->date_confirmed, $tz) ?></td>
+    <td><?= format_date($this->subscription->date_confirmed, $tz) ?></td>
   </tr>
   <? if($this->subscription->date_unsubscribed): ?>
     <tr>
       <td>Date Unsubscribed</td>
-      <td><?= friendly_date($this->subscription->date_unsubscribed, $tz) ?></td>
+      <td><?= format_date($this->subscription->date_unsubscribed, $tz) ?></td>
     </tr>
   <? endif; ?>
   <? if($this->subscription->date_expires): ?>
     <tr>
       <td>Subscription Expiration</td>
-      <td><?= friendly_date($this->subscription->date_expires, $tz) ?></td>
+      <td><?= format_date($this->subscription->date_expires, $tz) ?></td>
     </tr>
   <? endif; ?>
 
@@ -48,11 +48,11 @@
 <table class="table">
   <tr>
     <td>Last ping received from publisher</td>
-    <td><?= friendly_date($this->feed->push_last_ping_received, $tz) ?></td>
+    <td><?= format_date($this->feed->push_last_ping_received, $tz) ?></td>
   </tr>
   <tr>
     <td>Last ping sent to subscriber</td>
-    <td><?= friendly_date($this->subscription->date_last_ping_sent, $tz) ?></td>
+    <td><?= format_date($this->subscription->date_last_ping_sent, $tz) ?></td>
   </tr>
   <tr>
     <td>Last Response<br>(from your server)</td>