each.php

/**
* print_r($element)的结果
* Array ( [1] => 100 [value] => 100 [0] => qiyou [key] => qiyou ) Array
( [1] => 200 [value] => 200 [0] => lunzi [key] => lunzi ) Array ( [1] =>
210 [value] => 210 [0] => zhoucheng [key] => zhoucheng )
* @var array
*/