PHP - Function array_map()

array array_map ( callback $callback, array $array1 [, array $array2...] );

Definition and Usage

It returns an array containing all the elements of array1 after applying the callback function to each one.

Sr.No	Parameter & Description
1	callback(Required) The name of the user-made function, or null.
2	array1(Required) It specifies an array.
3	array2(Optional) It specifies an array.
4	array3(Optional) It specifies an array.

It returns an array containing all the processed elements of array1.

Try out following example −

This will produce the following result −

Array ( [0] => 1 [1] => 8 [2] => 27 [3] => 64 [4] => 125 )

Using multiple arrays.

This will produce the following result −

Array ( [0] => different [1] => equal [2] => different [3] => equal )

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