수강 등록 실행 결과

Array
(
    [280] => error3 - true
    [432] => error3 - true
    [865] => error3 - true
    [291] => error3 - true
    [822] => error3 - true
    [871] => error3 - true
    [520] => error3 - true
    [1397] => error3 - true
    [690] => error3 - true
    [173] => error3 - true
    [51] => error3 - true
    [625] => error3 - true
    [655] => error3 - true
    [637] => error3 - true
    [1053] => error3 - true
    [404] => error3 - true
    [2285] => error3 - true
    [358] => error3 - true
    [102] => error3 - true
    [487] => error3 - true
    [1465] => error3 - true
    [2305] => error3 - true
    [1490] => error3 - true
    [1464] => error3 - true
    [1487] => error3 - true
    [1495] => error3 - true
    [900] => error3 - true
    [1102] => error3 - true
    [1880] => error3 - true
    [436] => error3 - true
    [242] => error3 - true
)