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PHP tips: Exchange the keys and values of the array to form a new array, find the value and get the key_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:29:38923browse
Copy code The code is as follows:
$cityname = array_flip($city_DB[name]); //Exchange the keys and values of the array A new array is formed
$city_name = array_search($city_id,$cityname,true); //Find the value and get the key
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