Username"; $langMultipleUsernameAndPassword = "Accounts with same Username AND same Password"; $langMultipleEmails = "Accounts with same Email"; $langCourseWithoutProf = "Courses without professor"; $langCourseWithoutAccess = "Courses not used"; $langLoginWithoutAccess = "Logins not used"; $langAllRight = "There is no strange case here"; $langDefcon = "Ooops, stranges cases detected !!"; $langNULLValue = "Không có giá trị"; $langTrafficDetails = "Traffic Details"; ?>