Added support for icsdate and icsdatetime formats in it::date()

1 files changed, 14 insertions, 3 deletions

diff --git a/it.class b/it.class
index c8d3c29..cc7650b 100644
--- a/it.class
+++ b/it.class
@@ -691,11 +691,14 @@ static function gets()
  * @param format optional format (default is 2007-01-02 03:04:05).
  *        Other formats are "date", "datetime", "time".
  *        Formats can be qualified with language, e.g. "date:en"
+ *        Special formats without language support are "icsdate", "icsdatetime".
  * @param stamp optional unix timestamp (default is now).
  *        If it contains nondigits, it is fed to strtotime
  */
 static function date($format = "", $stamp = null)
 {
+	$stamp = !isset($stamp) ? time() : (it::match('^\d+$', $stamp) ? $stamp : strtotime($stamp));
+
 	list($name, $language) = explode(":", $format);
 
 	if ($format && !$language)
@@ -712,9 +715,17 @@ static function date($format = "", $stamp = null)
 	);
 
 	if (!($formatstring = $formats["$name:$language"]) && !($formatstring = $formats[$name]))
-		$formatstring = $format;
-
-	$stamp = !isset($stamp) ? time() : (it::match('^\d+$', $stamp) ? $stamp : strtotime($stamp));
+	{
+		if (it::match('^icsdate', $format))	# Special icsdate or icsdatetime format? Use UTC time format for Google Calendar to be happy
+		{
+			if ($format == "icsdate")
+				return date("Ymd", $stamp) . "Z";	# MUST NOT use gmdate!
+			else
+				return gmdate("Ymd", $stamp) . "T" . gmdate("His", $stamp) . "Z";
+		}
+		else
+			$formatstring = $format;
+	}
 
 	return date($formatstring, $stamp);
 }