--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/sabre/vobject/lib/Property/VCard/TimeStamp.php	Sat Jan 13 09:06:10 2018 -0500
@@ -0,0 +1,69 @@
+<?php
+
+namespace Sabre\VObject\Property\VCard;
+
+use
+    Sabre\VObject\DateTimeParser,
+    Sabre\VObject\Property\Text;
+
+/**
+ * TimeStamp property
+ *
+ * This object encodes TIMESTAMP values.
+ *
+ * @copyright Copyright (C) 2011-2015 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class TimeStamp extends Text {
+
+    /**
+     * In case this is a multi-value property. This string will be used as a
+     * delimiter.
+     *
+     * @var string|null
+     */
+    public $delimiter = null;
+
+    /**
+     * Returns the type of value.
+     *
+     * This corresponds to the VALUE= parameter. Every property also has a
+     * 'default' valueType.
+     *
+     * @return string
+     */
+    public function getValueType() {
+
+        return "TIMESTAMP";
+
+    }
+
+    /**
+     * Returns the value, in the format it should be encoded for json.
+     *
+     * This method must always return an array.
+     *
+     * @return array
+     */
+    public function getJsonValue() {
+
+        $parts = DateTimeParser::parseVCardDateTime($this->getValue());
+
+        $dateStr =
+            $parts['year'] . '-' .
+            $parts['month'] . '-' .
+            $parts['date'] . 'T' .
+            $parts['hour'] . ':' .
+            $parts['minute'] . ':' .
+            $parts['second'];
+
+        // Timezone
+        if (!is_null($parts['timezone'])) {
+            $dateStr.=$parts['timezone'];
+        }
+
+        return array($dateStr);
+
+    }
+}