key函数显示当前元素的键名,current显示当前元素的键值,next将当前元素的指针跳到下一个元素位置
<?php
$people = array(
'a' =>'A',
'b' =>'B',
'c' => 'C',
'd' => 'D',
);
while (true) {
...
5-06 1,683 views
阅读全文 05-06 1,683 views
阅读全文 05-05 1,592 views
5-05 1,889 views
阅读全文 05-05 1,718 views
5-01 2,405 views
阅读全文 04-30 1,930 views
4-30 4,450 views
4-29 1,756 views
阅读全文 04-27 3,288 views