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<?php
namespace Del\Filter\Collection;
use ArrayIterator;
use Del\Filter\Filter\FilterInterface;
use InvalidArgumentException;
class FilterCollection extends ArrayIterator
{
/**
* @return FilterInterface
*/
public function current()
return parent::current();
}
* @param FilterInterface $filter
public function append($filter)
if (!$filter instanceof FilterInterface) {
throw new InvalidArgumentException('You must append a Del\Filter\Filter\FilterInterface');
parent::append($filter);
delboy1978uk /
collection-filter
