Dmitry Danilson PatchRanger

## IteratorHelper.php
<?php
namespace App;

class IteratorHelper
{
  public static function iteratorChunk(\Iterator $i, int $size = 100): \Generator
  {
    for ($i = static::remaining($i); $i->valid(); $i = static::remaining($i)) {
      yield new \LimitIterator($i, 0, $size);
    }

## rinkeby-account
0x426B4875d0Aef8fCA2a2ccB762Cd57254E32BAB6
	<?php
	namespace App;

	class IteratorHelper
	{
	public static function iteratorChunk(\Iterator $i, int $size = 100): \Generator
	{
	for ($i = static::remaining($i); $i->valid(); $i = static::remaining($i)) {
	yield new \LimitIterator($i, 0, $size);
	}