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<?php declare(strict_types=1);
namespace Improved;
/**
* Divide iterable into chunks of specified size.
*
* @param iterable $iterable
* @param int $size
* @return \Generator
*/
function iterable_chunk(iterable $iterable, int $size): \Generator
{
$generate = function(\Iterator $iterator, int $size): \Generator {
for ($i = 0; $i < $size && $iterator->valid(); $i++) {
yield $iterator->key() => $iterator->current();
$iterator->next();
}
};
$iterator = iterable_to_iterator($iterable);
$iterator->rewind();
while ($iterator->valid()) {
yield $generate($iterator, $size);
jasny /
improved-php-iterable
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