function showSemWeekNumber($start_time){ $semester = Semester::FindByTimestamp($start_time); if ($semester) { echo htmlready($semester['name']) . ' - '; $sem_week_number = $semester->getSemWeekNumber($start_time); if(is_int($sem_week_number)){ printf(_("%s. Vorlesungswoche"), $sem_week_number); } else { echo _("vorlesungsfreie Zeit"); } } else { echo _("kein Semester verfügbar"); } }