array_map

Applies the callback to the elements of the given arrays.

array_map Function synopsis

array_map(
    ?callable $callback,
    array $array,
    array ...$arrays
  ): array

Parameters

$callback

Type?callable

A callable to run for each element in each array.

$array

Typearray

An array to run through the $callback function.

$arrays

Variadic, OptionalTypearray

Supplementary variable list of array arguments to run through the $callback function.

Return value

Typearray

Returns an array containing the results of applying the $callback function to the corresponding value of $array (and $arrays if more arrays are provided) used as arguments for the callback.

The returned array will preserve the keys of the array argument if and only if exactly one array is passed. If more than one array is passed, the returned array will have sequential integer keys.