php数组的小函数之想
最近项目需要对数组有这么一个要求,数组本身的内容可能会不断改变,如果知道数组的某个键名,如何获取下一个键名?
刚开始的时候以为会不好写,就不断书上找数组的相关函数,又去网上搜索,发现都没有。
于是自己动手写写,没想到如此简单就写好了。
[html]
/*
* 求数组当前键名的下一个键名
* $array 数组
* $keys 当前的键名
* 返回下一个键名
*/
function next_array($array,$keys){
$n=0;
foreach($array as $key =>$value){
if($n==1)
return $key;
if($key == $keys)
$n++;
}
}
发现很多时候,还是得靠自己。

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