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<?php
namespace drupol\phpermutations\Iterators;
/**
* Class NGrams.
*/
class NGrams extends Shift implements \Iterator, \Countable
{
* @var
protected $currentValue;
* NGrams constructor.
*
* @param array $dataset
* The dataset
* @param int $length
* The shift length
public function __construct(array $dataset = [], $length = 1)
parent::__construct($dataset, $length);
$this->currentValue = array_slice(($this->getDataset()), 0, $length);
}
* {@inheritdoc}
public function next()
parent::next();
$this->currentValue = array_slice($this->current, 0, $this->getLength());
public function rewind()
parent::rewind();
public function current()
return $this->currentValue;
drupol /
phpermutations
