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<?php
declare(strict_types = 1);
namespace hanneskod\yaysondb\Filter;
use hanneskod\yaysondb\Expression\ExpressionInterface;
/**
* Filter documents matching search expression
*/
class ExpressionFilter implements FilterInterface
{
* @var ExpressionInterface Search expression
private $expression;
* Set search expression
public function __construct(ExpressionInterface $expression)
$this->expression = $expression;
}
public function filter(\Traversable $documents): \Generator
foreach ($documents as $id => $doc) {
if ($this->expression->evaluate($doc)) {
yield $id => $doc;
hanneskod /
yaysondb
