结果是多少?
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:综合作业 时间:2024/07/08 13:54:21
结果是多少?
![结果是多少?](/uploads/image/z/14409796-4-6.jpg?t=%E7%BB%93%E6%9E%9C%E6%98%AF%E5%A4%9A%E5%B0%91%3F)
$week[0]=Monday
$week[1]=Tuesday
$week[3]=Wednesday
$week[2]=null
再问: Ϊʲô$week[2]=null �أ�
再答: �ղ��������£������ˣ�$week[2]���ֵӦ�ò����� ps���������û��ָ����Ĭ�����������顣�±��0��ʼ�� ������$week = array("Monday","Tuesday", 3=>"Wednesday"��"Thursday")��ô$week[4]=Thursday.$week[2]��û�еġ�
$week[1]=Tuesday
$week[3]=Wednesday
$week[2]=null
再问: Ϊʲô$week[2]=null �أ�
再答: �ղ��������£������ˣ�$week[2]���ֵӦ�ò����� ps���������û��ָ����Ĭ�����������顣�±��0��ʼ�� ������$week = array("Monday","Tuesday", 3=>"Wednesday"��"Thursday")��ô$week[4]=Thursday.$week[2]��û�еġ�