array_map

 array array_map ( callback $callback , array $arr1 [, array $... ] ) 

説明

array_map() returns an array containing all the elements of arr1 after applying the callback function to each one. The number of parameters that the callback function accepts should match the number of arrays passed to the array_map()

戻り値

Returns an array containing all the elements of arr1 after applying the callback function to each one.