fixed shift length display

1 files changed, 11 insertions, 0 deletions

diff --git a/includes/sys_shift.php b/includes/sys_shift.php
index 7baeb8a4..329a40ff 100644
--- a/includes/sys_shift.php
+++ b/includes/sys_shift.php
@@ -1,4 +1,15 @@
 <?php
+
+
+/**
+ * Shiftlänge ausrechnen, kommt im Format 12:23h zurück
+ */
+function shift_length($shift) {
+	$length = round(($shift['end'] - $shift['start']) / (60 * 60), 0) . ":";
+	$length .= str_pad((($shift['end'] - $shift['start']) % (60 * 60)) / 60, 2, "0", STR_PAD_LEFT) . "h";
+	return $length;
+}
+
 function load_shift_basics() {
 	global $VeranstaltungsTageMax, $Room, $RoomID, $EngelType, $EngelTypeID, $TID2Name, $Veranstaltungstage;