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<?php
declare(strict_types=1);
namespace Yiisoft\Data\Reader\Iterable\Processor;
use InvalidArgumentException;
use Yiisoft\Data\Reader\Filter\FilterProcessorInterface;
use function array_key_exists;
class EqualsNull implements IterableProcessorInterface, FilterProcessorInterface
{
public function getOperator(): string
return \Yiisoft\Data\Reader\Filter\EqualsNull::getOperator();
}
public function match(array $item, array $arguments, array $filterProcessors): bool
if (count($arguments) !== 1) {
throw new InvalidArgumentException('$arguments should contain exactly one element.');
[$field] = $arguments;
return array_key_exists($field, $item) && $item[$field] === null;
yiisoft /
data
