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
- WBOYOriginal
- 2016-06-06 20:37:08935browse
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
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