dutekvejin/iterators

0.4.0 2023-07-07 08:32 UTC

This package is not auto-updated.

Last update: 2024-11-08 14:51:51 UTC


README

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Installation

The preferred method of installation is via Composer. Run the following command to install the latest version of a package and add it to your project's composer.json:

composer require dutekvejin/iterators

Usage

Dutek\Iterator\ChunkIterator

Chunks an \Iterator into arrays with size elements.

use Dutek\Iterator\ChunkIterator;

$iterator = new \ArrayIterator([1, 2, 3, 4, 5]);
$size = 2;
$chunkIterator = new ChunkIterator($iterator, $size);

assert(iterator_to_array($chunkIterator) === [[1, 2], [3, 4], [5]]);

Dutek\Iterator\MapIterator

Applies the callback to the elements of the given \Iterator.

use Dutek\Iterator\MapIterator;

$iterator = new \ArrayIterator([1, 2, 3, 4, 5]);
$callback = function (int $item) {
    return $item ** 2;
};
$mapIterator = new MapIterator($iterator, $callback);

assert(iterator_to_array($mapIterator) === [1, 4, 9, 16, 25]);

Credits

License

Released under MIT License - see the License File for details.