From a1214ffd08ff9bcf06e79d34315604003f26bc3f Mon Sep 17 00:00:00 2001
From: Michael M Slusarz <slusarz@curecanti.org>
Date: Mon, 13 Jul 2009 16:40:19 -0600
Subject: [PATCH] Work around broken DateTime serialization in PHP 5.2.x.

---
 .../Imap_Client/lib/Horde/Imap/Client/Cclient.php  |  2 +-
 .../Imap_Client/lib/Horde/Imap/Client/DateTime.php | 75 ++++++++++++++++++++++
 .../Imap_Client/lib/Horde/Imap/Client/Socket.php   |  2 +-
 .../lib/Horde/Imap/Client/Socket/Pop3.php          |  2 +-
 framework/Imap_Client/package.xml                  |  2 +
 5 files changed, 80 insertions(+), 3 deletions(-)
 create mode 100644 framework/Imap_Client/lib/Horde/Imap/Client/DateTime.php

diff --git a/framework/Imap_Client/lib/Horde/Imap/Client/Cclient.php b/framework/Imap_Client/lib/Horde/Imap/Client/Cclient.php
index 542dbf830..9b4fdd50b 100644
--- a/framework/Imap_Client/lib/Horde/Imap/Client/Cclient.php
+++ b/framework/Imap_Client/lib/Horde/Imap/Client/Cclient.php
@@ -1212,7 +1212,7 @@ class Horde_Imap_Client_Cclient extends Horde_Imap_Client_Base
                 }
 
                 foreach ($options['ids'] as $id) {
-                    $ret[$id]['date'] = new DateTime($hdrinfo[$id]->MailDate);
+                    $ret[$id]['date'] = new Horde_Imap_Client_DateTime($hdrinfo[$id]->MailDate);
                 }
                 break;
 
diff --git a/framework/Imap_Client/lib/Horde/Imap/Client/DateTime.php b/framework/Imap_Client/lib/Horde/Imap/Client/DateTime.php
new file mode 100644
index 000000000..89139872c
--- /dev/null
+++ b/framework/Imap_Client/lib/Horde/Imap/Client/DateTime.php
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Horde_Imap_Client_DateTime:: is a wrapper around PHP's native DateTime
+ * class that works around the PHP 5.2.x issue that does not allow DateTime
+ * objects to be serialized.  See http://bugs.php.net/bug.php?id=41334
+ *
+ * Copyright 2009 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (GPL). If you
+ * did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
+ *
+ * @author   Michael Slusarz <slusarz@horde.org>
+ * @category Horde
+ * @package  Horde_Imap_Client
+ */
+class Horde_Imap_Client_DateTime
+{
+    /**
+     * The datetime string.
+     *
+     * @var string
+     */
+    private $_string;
+
+    /**
+     * The timezone string.
+     *
+     * @var string
+     */
+    private $_tz = null;
+
+    /**
+     * The DateTime object to use for function calls.
+     *
+     * @var DateTime
+     */
+    private $_datetime = null;
+
+    /**
+     * Constructor.
+     *
+     * @param string $time      String in a format accepted by strtotime().
+     * @param DateTimeZone $tz  Time zone of the time.
+     */
+    public function __construct($time, $tz = null)
+    {
+        $this->_string = $time;
+        if (!is_null($tz)) {
+            $this->_tz = $tz->getName();
+        }
+    }
+
+    /**
+     * Called on serialize().
+     */
+    public function __sleep()
+    {
+        return array('_string', '_tz');
+    }
+
+    /**
+     * Called on a function call.
+     */
+    public function __call($name, $arguments)
+    {
+        if (is_null($this->_datetime)) {
+            $this->_datetime = is_null($this->_tz)
+                ? new DateTime($this->_string)
+                : new DateTime($this->_string, $this->_tz);
+        }
+
+        call_user_func_array(array($this->_datetime, $name), $arguments);
+    }
+
+}
diff --git a/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php b/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php
index 24b2ce1a4..62ec5b8c5 100644
--- a/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php
+++ b/framework/Imap_Client/lib/Horde/Imap/Client/Socket.php
@@ -2328,7 +2328,7 @@ class Horde_Imap_Client_Socket extends Horde_Imap_Client_Base
                 break;
 
             case 'INTERNALDATE':
-                $tmp['date'] = new DateTime($data[++$i]);
+                $tmp['date'] = new Horde_Imap_Client_DateTime($data[++$i]);
                 break;
 
             case 'RFC822.SIZE':
diff --git a/framework/Imap_Client/lib/Horde/Imap/Client/Socket/Pop3.php b/framework/Imap_Client/lib/Horde/Imap/Client/Socket/Pop3.php
index b241b7429..1c16f7ecf 100644
--- a/framework/Imap_Client/lib/Horde/Imap/Client/Socket/Pop3.php
+++ b/framework/Imap_Client/lib/Horde/Imap/Client/Socket/Pop3.php
@@ -932,7 +932,7 @@ class Horde_Imap_Client_Socket_Pop3 extends Horde_Imap_Client_Base
             case Horde_Imap_Client::FETCH_DATE:
                 foreach ($seq_ids as $id) {
                     $tmp = $this->_pop3Cache('hdrob', $id);
-                    $ret[$id]['date'] = new DateTime($tmp->getValue('date'));
+                    $ret[$id]['date'] = new Horde_Imap_Client_DateTime($tmp->getValue('date'));
                 }
                 break;
 
diff --git a/framework/Imap_Client/package.xml b/framework/Imap_Client/package.xml
index 21fa966e1..9ecf67312 100644
--- a/framework/Imap_Client/package.xml
+++ b/framework/Imap_Client/package.xml
@@ -53,6 +53,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
        <file name="Base.php" role="php" />
        <file name="Cache.php" role="php" />
        <file name="Cclient.php" role="php" />
+       <file name="DateTime.php" role="php" />
        <file name="Exception.php" role="php" />
        <file name="Socket.php" role="php" />
        <file name="Sort.php" role="php" />
@@ -113,6 +114,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
    <install name="lib/Horde/Imap/Client/Cache.php" as="Horde/Imap/Client/Cache.php" />
    <install name="lib/Horde/Imap/Client/Cclient/Pop3.php" as="Horde/Imap/Client/Cclient/Pop3.php" />
    <install name="lib/Horde/Imap/Client/Cclient.php" as="Horde/Imap/Client/Cclient.php" />
+   <install name="lib/Horde/Imap/Client/DateTime.php" as="Horde/Imap/Client/DateTime.php" />
    <install name="lib/Horde/Imap/Client/Exception.php" as="Horde/Imap/Client/Exception.php" />
    <install name="lib/Horde/Imap/Client/Search/Query.php" as="Horde/Imap/Client/Search/Query.php" />
    <install name="lib/Horde/Imap/Client/Socket.php" as="Horde/Imap/Client/Socket.php" />
-- 
2.11.0