dateTimeBetween('-1 years', 'now', 'PRC')->format('Y-m-d H:i:s'); $end_date_time = \Carbon\Carbon::createFromTimestamp(strtotime($begin_date_time))->addHour()->toDateTimeString(); \App\Models\CheckCard::create([ 'student_id' => $student_course->student_id, 'course_id' => $student_course->course_id, 'student_course_id' => $student_course->id, 'begin_date_time' => $begin_date_time, 'end_date_time' => $end_date_time ]); } } }