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<?php
namespace SubjectivePHP\Linq;
use Traversable;
use IteratorAggregate;
final class SelectIterator implements IteratorAggregate
{
/**
* @var Traversable
*/
private $collection;
* @var callable
private $selector;
* Create a SelectIterator from another iterator.
*
* @param Traversable $collection The iterator to be filtered.
* @param callable $selector The callback which should return values from each item in the iterator.
public function __construct(Traversable $collection, callable $selector)
$this->collection = $collection;
$this->selector = $selector;
}
* Returns an external iterator.
* @return Traversable
public function getIterator() : Traversable
foreach ($this->collection as $item) {
yield ($this->selector)($item);
subjective-php /
linq
