# php数组

一、相关函数 current() 返回数组当前单元的值 reset() 将数组的内部指针指向第一个单元，并返回第一个数组单元的值 end() 将数组的内部指针指向最后一个单元并返回其值 prev() 将数组的内部指针倒回一位 next() 将数组中的内部指针向前移动一位 each() 返回数组中当前的键／值对并将数组指针向前移动一步 key() 当前指针指向元素的键名

二、数组的指针遍历

```
while ( list($key,$value) = each($fruit) ) {
    echo $key.":".$value.'<br />';
}
```


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