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<?php
declare(strict_types=1);
namespace Yiisoft\Data\Reader\Filter;
use Yiisoft\Data\Reader\FilterInterface;
/**
* `EqualsNull` filter defines a criteria for ensuring field value is null.
*/
final class EqualsNull implements FilterInterface
{
* @param string $field Name of the field to check.
public function __construct(private string $field)
}
public function toCriteriaArray(): array
return [self::getOperator(), $this->field];
public static function getOperator(): string
return 'null';
yiisoft /
data
