PHP tips to exchange the key and value of the array to form a new array, find the value to get the key _php tutorial

Copy the Code code as follows:
$cityname = Array_flip ($city _db[name]); Exchange the key and value of an array to form a new array
$city _name = Array_search ($city _id, $cityname, true); Find value Get key

http://www.bkjia.com/PHPjc/323421.html www.bkjia.com true http://www.bkjia.com/PHPjc/323421.html techarticle Copy the code as follows: $cityname = Array_flip ($city _db[name]);//Exchange The key and value of the array to form a new array $city _name = Array_search ($city _id, $cityname , true); Find values to take ...

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