Home > php教程 > php手册 > php小技巧 把数组的键和值交换形成了新的数组,查找值取得键

php小技巧 把数组的键和值交换形成了新的数组,查找值取得键

WBOY
Release: 2016-06-06 20:37:08
Original
956 people have browsed it

php小技巧--把数组的键和值交换形成了新的数组,查找值取得键的实现方法。

代码如下:
$cityname = array_flip($city_DB[name]); //把数组的键和值交换形成了新的数组
$city_name = array_search($city_id,$cityname,true); //查找值取得键
Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template