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<?php
declare(strict_types = 1);
namespace hanneskod\yaysondb\Filter;
use hanneskod\yaysondb\Expression\ExpressionInterface;
/**
* Filter documents matching a custom callable
*/
class CallableFilter implements FilterInterface
{
* @var callable Custom filter
private $callable;
* Set custom filter
*
* @param callable $callable Should take on argument and return a boolean
public function __construct(callable $callable)
$this->callable = $callable;
}
public function filter(\Traversable $documents): \Generator
foreach ($documents as $id => $doc) {
if (($this->callable)($doc)) {
yield $id => $doc;
hanneskod /
yaysondb
