Home > Article > Backend Development > 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
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
- WBOYOriginal
- 2016-06-01 12:17:01632browse
复制代码 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
$cityname = array_flip($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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